diff --git a/bin/bitbucket-client b/bin/bitbucket-client
index 551e92b..7edfa73 100755
--- a/bin/bitbucket-client
+++ b/bin/bitbucket-client
@@ -27,6 +27,12 @@ Commands:
     get-commit-url <sha>
     get-commits-url <sha> [--file-path <path>] [--since YYYY-MM-DD] [--until YYYY-MM-DD]
     compare-commits <start_sha> <end_sha> [--include-behind]
+    get-pull-request <id>
+    get-pull-requests [--state open|closed] [--head <branch>] [--cursor <cursor>] [--per-page <n>]
+    get-pull-request-files <id> [--cursor <cursor>] [--per-page <n>]
+    get-pull-request-commits <id>
+    get-pull-request-diff <id>
+    get-pull-request-url <id>
 """
 
 import argparse
@@ -52,7 +58,13 @@ from scm.types import (
     GetFileContentProtocol,
     GetFileUrlProtocol,
     GetGitRemoteProtocol,
+    GetPullRequestCommitsProtocol,
+    GetPullRequestDiffProtocol,
+    GetPullRequestFilesProtocol,
+    GetPullRequestProtocol,
+    GetPullRequestsProtocol,
     GetPullRequestTemplateProtocol,
+    GetPullRequestUrlProtocol,
     GetReadmeProtocol,
     GetRepositoryProtocol,
     PaginationParams,
@@ -163,6 +175,26 @@ def main():
     p.add_argument("start_sha")
     p.add_argument("end_sha")
     p.add_argument("--include-behind", action="store_true", dest="include_behind")
+    p = sub.add_parser("get-pull-request")
+    p.add_argument("id")
+
+    p = sub.add_parser("get-pull-requests")
+    p.add_argument("--state", default="open", choices=["open", "closed"])
+    p.add_argument("--head", default=None)
+    add_pagination(p)
+
+    p = sub.add_parser("get-pull-request-files")
+    p.add_argument("id")
+    add_pagination(p)
+
+    p = sub.add_parser("get-pull-request-commits")
+    p.add_argument("id")
+
+    p = sub.add_parser("get-pull-request-diff")
+    p.add_argument("id")
+
+    p = sub.add_parser("get-pull-request-url")
+    p.add_argument("id")
 
     args = parser.parse_args()
     if not args.command:
@@ -240,6 +272,30 @@ def main():
         assert isinstance(scm, CompareCommitsProtocol)
         dump(scm.compare_commits(args.start_sha, args.end_sha, include_behind=args.include_behind))
 
+    elif args.command == "get-pull-request":
+        assert isinstance(scm, GetPullRequestProtocol)
+        dump(scm.get_pull_request(args.id))
+
+    elif args.command == "get-pull-requests":
+        assert isinstance(scm, GetPullRequestsProtocol)
+        dump(scm.get_pull_requests(state=args.state, head=args.head, pagination=pagination_args(args)))
+
+    elif args.command == "get-pull-request-files":
+        assert isinstance(scm, GetPullRequestFilesProtocol)
+        dump(scm.get_pull_request_files(args.id, pagination=pagination_args(args)))
+
+    elif args.command == "get-pull-request-commits":
+        assert isinstance(scm, GetPullRequestCommitsProtocol)
+        dump(scm.get_pull_request_commits(args.id))
+
+    elif args.command == "get-pull-request-diff":
+        assert isinstance(scm, GetPullRequestDiffProtocol)
+        dump(scm.get_pull_request_diff(args.id))
+
+    elif args.command == "get-pull-request-url":
+        assert isinstance(scm, GetPullRequestUrlProtocol)
+        dump(scm.get_pull_request_url(args.id))
+
 
 if __name__ == "__main__":
     logging.basicConfig(level=logging.DEBUG)
diff --git a/src/scm/providers/bitbucket/provider.py b/src/scm/providers/bitbucket/provider.py
index a12e280..c2b8d8d 100644
--- a/src/scm/providers/bitbucket/provider.py
+++ b/src/scm/providers/bitbucket/provider.py
@@ -1,9 +1,10 @@
 import base64
 import hashlib
+import json
 import re
 from collections.abc import Callable, Iterator
 from datetime import UTC, date, datetime
-from typing import Any
+from typing import Any, cast, get_args
 from urllib.parse import parse_qs, quote, unquote, urlparse
 
 import requests
@@ -13,6 +14,7 @@
     PathIsNotDirectory,
     ReadmeNotFound,
     ResourceBadRequest,
+    ResourceForbidden,
     ResourceNotFound,
     SCMCodedError,
     error_class_for_status,
@@ -23,6 +25,8 @@
     ActionResult,
     ApiClient,
     AppInstallation,
+    Author,
+    BranchName,
     Commit,
     CommitAuthor,
     CommitComparison,
@@ -37,6 +41,11 @@
     PaginatedActionResult,
     PaginationParams,
     ProviderName,
+    PullRequest,
+    PullRequestBranch,
+    PullRequestCommit,
+    PullRequestFile,
+    PullRequestState,
     Repository,
     RequestOptions,
 )
@@ -72,13 +81,12 @@
 PULL_REQUEST_TEMPLATE_PARENT_DIRS = (".github", "", "docs")
 PULL_REQUEST_TEMPLATE_FILENAME = "pull_request_template.md"
 PULL_REQUEST_TEMPLATE_DIRNAME = "pull_request_template"
-_FILE_STATUSES: dict[str, FileStatus] = {
-    "added": "added",
-    "removed": "removed",
-    "modified": "modified",
-    "renamed": "renamed",
-}
 _RAW_AUTHOR = re.compile(r"^(?P<name>.*?)\s*<(?P<email>[^>]*)>\s*$")
+_PULL_REQUEST_STATE_QUERIES: dict[PullRequestState | None, str] = {
+    "open": 'state="OPEN"',
+    "closed": '(state="MERGED" OR state="DECLINED" OR state="SUPERSEDED")',
+    None: '(state="OPEN" OR state="MERGED" OR state="DECLINED" OR state="SUPERSEDED")',
+}
 
 
 class BitbucketProvider:
@@ -463,6 +471,124 @@ def _get_commits(
                 return result
             pagination = {**(pagination or {}), "cursor": cursor}
 
+    def get_pull_request(
+        self,
+        pull_request_id: str,
+        request_options: RequestOptions | None = None,
+    ) -> ActionResult[PullRequest]:
+        response = self.get(self._pull_request_path(pull_request_id), request_options=request_options)
+        result = map_action(response, map_pull_request)
+        raw = result["raw"]["data"]
+        for side, branch in (("source", result["data"]["head"]), ("destination", result["data"]["base"])):
+            if branch["sha"] and (repository := raw[side].get("repository")):
+                branch["sha"] = self._full_hash(repository["full_name"], branch["sha"], request_options)
+        return result
+
+    def get_pull_requests(
+        self,
+        state: PullRequestState | None = "open",
+        head: BranchName | None = None,
+        pagination: PaginationParams | None = None,
+        request_options: RequestOptions | None = None,
+    ) -> PaginatedActionResult[list[PullRequest]]:
+        # Without a `state` term, Bitbucket lists only open pull requests.
+        query = _PULL_REQUEST_STATE_QUERIES[state]
+        if head:
+            branch = head.split(":", 1)[-1].removeprefix("refs/heads/")
+            query = f"source.branch.name={json.dumps(branch, ensure_ascii=False)} AND {query}"
+        response = self.get(
+            f"/2.0/repositories/{self.repository_path}/pullrequests",
+            params={"q": query},
+            pagination=pagination,
+            request_options=request_options,
+        )
+        return map_paginated_action(response, map_pull_request)
+
+    def get_pull_request_files(
+        self,
+        pull_request_id: str,
+        pagination: PaginationParams | None = None,
+        request_options: RequestOptions | None = None,
+    ) -> PaginatedActionResult[list[PullRequestFile]]:
+        response = self.get(
+            f"{self._pull_request_path(pull_request_id)}/diffstat",
+            pagination=pagination,
+            request_options=request_options,
+            allow_redirects=True,
+        )
+        patches = split_patches(self.get_pull_request_diff(pull_request_id, request_options)["data"])
+        return map_paginated_action(response, lambda raw: map_pull_request_file(raw, patches))
+
+    def get_pull_request_commits(
+        self,
+        pull_request_id: str,
+        pagination: PaginationParams | None = None,
+        request_options: RequestOptions | None = None,
+    ) -> PaginatedActionResult[list[PullRequestCommit]]:
+        """Read every page, since Bitbucket lists newest first and callers expect oldest first.
+
+        ``pagination`` is unused.
+        """
+        path = f"{self._pull_request_path(pull_request_id)}/commits"
+        values: list[dict[str, Any]] = []
+        page: PaginationParams = {"per_page": MAX_PAGE_SIZE}
+        while True:
+            response = self.get(path, pagination=page, request_options=request_options)
+            raw = response.json()
+            values.extend(raw.get("values", []))
+            if not (cursor := next_cursor(raw)):
+                break
+            page = {"per_page": MAX_PAGE_SIZE, "cursor": cursor}
+        # Once merged, Bitbucket lists its own merge commit first; other providers leave it out.
+        # A squash commit has one parent, so it stays.
+        if values and len(values[0]["parents"]) > 1:
+            pull_request = self.get(self._pull_request_path(pull_request_id), request_options=request_options).json()
+            merge_hash = (pull_request.get("merge_commit") or {}).get("hash")
+            if merge_hash and values[0]["hash"].startswith(merge_hash):
+                values.pop(0)
+        return {
+            "data": [map_pull_request_commit(value) for value in reversed(values)],
+            "type": PROVIDER_TYPE,
+            "raw": {"data": values, "headers": dict(response.headers)},
+            "meta": {"next_cursor": None},
+        }
+
+    def get_pull_request_diff(
+        self,
+        pull_request_id: str,
+        request_options: RequestOptions | None = None,
+    ) -> ActionResult[str]:
+        # Bitbucket answers with a redirect to the repository diff endpoint.
+        response = self.get(
+            f"{self._pull_request_path(pull_request_id)}/diff",
+            request_options=request_options,
+            allow_redirects=True,
+        )
+        return {
+            "data": response.text,
+            "type": PROVIDER_TYPE,
+            "raw": {"data": response.text, "headers": dict(response.headers)},
+            "meta": {},
+        }
+
+    def get_pull_request_url(self, pull_request_id: str) -> str:
+        return f"{self._web_base_url}/{self.repository_path}/pull-requests/{pull_request_id}"
+
+    def _pull_request_path(self, pull_request_id: str) -> str:
+        return f"/2.0/repositories/{self.repository_path}/pullrequests/{pull_request_id}"
+
+    def _full_hash(self, repository_path: str, short_hash: str, request_options: RequestOptions | None) -> str:
+        try:
+            response = self.get(
+                f"/2.0/repositories/{repository_path}/commit/{short_hash}",
+                params={"fields": "hash"},
+                request_options=request_options,
+            )
+        except (ResourceForbidden, ResourceNotFound):
+            # The commit can live in a fork we can't read, or be gone with a deleted branch.
+            return short_hash
+        return response.json()["hash"]
+
 
 def parse_scopes(header: str) -> set[str]:
     return {scope.strip() for scope in header.split(",") if scope.strip()}
@@ -552,12 +678,16 @@ def map_commit(raw: dict[str, Any], additions: int | None = None, deletions: int
     )
 
 
+def map_file_status(raw: str) -> FileStatus:
+    return cast(FileStatus, raw) if raw in get_args(FileStatus.__value__) else "unknown"
+
+
 def map_commit_file(raw: dict[str, Any], patches: dict[str, str]) -> CommitFile:
     old, new = raw["old"], raw["new"]
     filename = (new or old)["path"]
     return CommitFile(
         filename=filename,
-        status=_FILE_STATUSES.get(raw["status"], "unknown"),
+        status=map_file_status(raw["status"]),
         patch=patches.get(filename),
         additions=raw["lines_added"],
         deletions=raw["lines_removed"],
@@ -569,12 +699,64 @@ def split_patches(diff: str) -> dict[str, str]:
     """Split a unified diff into each file's hunks, keyed by the file's new path."""
     patches = {}
     for section in re.split(r"^(?=diff --git )", diff, flags=re.MULTILINE):
-        header, _, body = section.partition("\n")
-        if header and (hunks := re.search(r"^@@", body, flags=re.MULTILINE)):
-            patches[header.rpartition(" b/")[2]] = body[hunks.start() :]
+        if not (hunks := re.search(r"^@@", section, flags=re.MULTILINE)):
+            continue
+        # The `diff --git` line is ambiguous when a path contains " b/". Git ends a path with spaces in a tab.
+        header = section[: hunks.start()]
+        path = re.search(r"^\+\+\+ b/(.*?)\t?$", header, re.MULTILINE) or re.search(
+            r"^--- a/(.*?)\t?$", header, re.MULTILINE
+        )
+        if path:
+            patches[path[1]] = section[hunks.start() :]
     return patches
 
 
+def map_author(raw: dict[str, Any]) -> Author:
+    # App users have no nickname.
+    return Author(id=raw["uuid"], username=raw.get("nickname") or raw.get("display_name") or "")
+
+
+def map_pull_request_branch(raw: dict[str, Any]) -> PullRequestBranch:
+    # Bitbucket abbreviates these hashes to 12 characters. Only get_pull_request expands them.
+    return PullRequestBranch(ref=raw["branch"]["name"], sha=(raw.get("commit") or {}).get("hash"))
+
+
+def map_pull_request(raw: dict[str, Any]) -> PullRequest:
+    return PullRequest(
+        id=str(raw["id"]),
+        internal_id=str(raw["id"]),
+        title=raw["title"],
+        body=raw["description"] or None,
+        state="open" if raw["state"] == "OPEN" else "closed",
+        merged=raw["state"] == "MERGED",
+        html_url=raw["links"]["html"]["href"],
+        head=map_pull_request_branch(raw["source"]),
+        base=map_pull_request_branch(raw["destination"]),
+        author=map_author(raw["author"]),
+    )
+
+
+def map_pull_request_file(raw: dict[str, Any], patches: dict[str, str]) -> PullRequestFile:
+    status = map_file_status(raw["status"])
+    filename = (raw["new"] or raw["old"])["path"]
+    return PullRequestFile(
+        filename=filename,
+        status=status,
+        patch=patches.get(filename),
+        changes=raw["lines_added"] + raw["lines_removed"],
+        sha="",
+        previous_filename=raw["old"]["path"] if status == "renamed" else None,
+    )
+
+
+def map_pull_request_commit(raw: dict[str, Any]) -> PullRequestCommit:
+    return PullRequestCommit(
+        sha=raw["hash"],
+        message=raw["message"],
+        author=map_commit_author(raw["author"], raw["date"]),
+    )
+
+
 def next_cursor(raw: dict[str, Any]) -> str | None:
     """Read the `page` value out of the `next` link, which is a page number or an opaque token."""
     if not (next_url := raw.get("next")):
diff --git a/tests/unit/provider/fixtures/bitbucket/pull_request.json b/tests/unit/provider/fixtures/bitbucket/pull_request.json
new file mode 100644
index 0000000..9577623
--- /dev/null
+++ b/tests/unit/provider/fixtures/bitbucket/pull_request.json
@@ -0,0 +1,169 @@
+{
+  "body": {
+    "author": {
+      "account_id": "557058:00000000-0000-0000-0000-000000000001",
+      "display_name": "Test User",
+      "links": {
+        "avatar": {
+          "href": "https://avatar.example.com/test-user.png"
+        }
+      },
+      "nickname": "test-user",
+      "type": "user",
+      "uuid": "{00000000-0000-0000-0000-000000000001}"
+    },
+    "close_source_branch": false,
+    "closed_by": null,
+    "comment_count": 0,
+    "created_on": "2026-11-05T20:16:19.134981+00:00",
+    "description": "A test pull request.",
+    "destination": {
+      "branch": {
+        "name": "main"
+      },
+      "commit": {
+        "hash": "a682892aa0f4",
+        "links": {
+          "html": {
+            "href": "https://bitbucket.org/test-workspace/test-repo/commits/a682892aa0f4"
+          },
+          "self": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/commit/a682892aa0f4"
+          }
+        },
+        "type": "commit"
+      },
+      "repository": {
+        "full_name": "test-workspace/test-repo",
+        "links": {
+          "avatar": {
+            "href": "https://bytebucket.org/ravatar/%7B06cc78f5-9826-41c4-9bac-b4f44ca67ef4%7D?ts=default"
+          },
+          "html": {
+            "href": "https://bitbucket.org/test-workspace/test-repo"
+          },
+          "self": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo"
+          }
+        },
+        "name": "test-repo",
+        "type": "repository",
+        "uuid": "{06cc78f5-9826-41c4-9bac-b4f44ca67ef4}"
+      }
+    },
+    "draft": false,
+    "id": 1,
+    "links": {
+      "activity": {
+        "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/1/activity"
+      },
+      "approve": {
+        "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/1/approve"
+      },
+      "comments": {
+        "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/1/comments"
+      },
+      "commits": {
+        "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/1/commits"
+      },
+      "decline": {
+        "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/1/decline"
+      },
+      "diff": {
+        "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/diff/test-workspace/test-repo:c495d0431cfa%0Da682892aa0f4?from_pullrequest_id=1&topic=true"
+      },
+      "diffstat": {
+        "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/diffstat/test-workspace/test-repo:c495d0431cfa%0Da682892aa0f4?from_pullrequest_id=1&topic=true"
+      },
+      "html": {
+        "href": "https://bitbucket.org/test-workspace/test-repo/pull-requests/1"
+      },
+      "merge": {
+        "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/1/merge"
+      },
+      "mergeability_checks": {
+        "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/1/mergeability/checks"
+      },
+      "request-changes": {
+        "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/1/request-changes"
+      },
+      "self": {
+        "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/1"
+      },
+      "statuses": {
+        "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/1/statuses"
+      }
+    },
+    "merge_commit": null,
+    "participants": [],
+    "queued": false,
+    "reason": "",
+    "rendered": {
+      "description": {
+        "html": "<p>A test pull request.</p>",
+        "markup": "markdown",
+        "raw": "A test pull request.",
+        "type": "rendered"
+      },
+      "title": {
+        "html": "<p>Test pull request</p>",
+        "markup": "markdown",
+        "raw": "Test pull request",
+        "type": "rendered"
+      }
+    },
+    "reviewers": [],
+    "source": {
+      "branch": {
+        "links": {},
+        "name": "test-branch-1",
+        "sync_strategies": [
+          "merge_commit",
+          "rebase"
+        ]
+      },
+      "commit": {
+        "hash": "c495d0431cfa",
+        "links": {
+          "html": {
+            "href": "https://bitbucket.org/test-workspace/test-repo/commits/c495d0431cfa"
+          },
+          "self": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/commit/c495d0431cfa"
+          }
+        },
+        "type": "commit"
+      },
+      "repository": {
+        "full_name": "test-workspace/test-repo",
+        "links": {
+          "avatar": {
+            "href": "https://bytebucket.org/ravatar/%7B06cc78f5-9826-41c4-9bac-b4f44ca67ef4%7D?ts=default"
+          },
+          "html": {
+            "href": "https://bitbucket.org/test-workspace/test-repo"
+          },
+          "self": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo"
+          }
+        },
+        "name": "test-repo",
+        "type": "repository",
+        "uuid": "{06cc78f5-9826-41c4-9bac-b4f44ca67ef4}"
+      }
+    },
+    "state": "OPEN",
+    "summary": {
+      "html": "<p>A test pull request.</p>",
+      "markup": "markdown",
+      "raw": "A test pull request.",
+      "type": "rendered"
+    },
+    "task_count": 0,
+    "title": "Test pull request",
+    "type": "pullrequest",
+    "updated_on": "2026-11-05T20:16:19.660756+00:00"
+  },
+  "headers": {},
+  "status": 200
+}
diff --git a/tests/unit/provider/fixtures/bitbucket/pull_request_commits.json b/tests/unit/provider/fixtures/bitbucket/pull_request_commits.json
new file mode 100644
index 0000000..2a708ff
--- /dev/null
+++ b/tests/unit/provider/fixtures/bitbucket/pull_request_commits.json
@@ -0,0 +1,174 @@
+{
+  "body": {
+    "page": 1,
+    "pagelen": 10,
+    "values": [
+      {
+        "author": {
+          "raw": "Test User <test@example.com>",
+          "type": "author",
+          "user": {
+            "account_id": "557058:00000000-0000-0000-0000-000000000001",
+            "display_name": "Test User",
+            "links": {
+              "avatar": {
+                "href": "https://avatar.example.com/test-user.png"
+              }
+            },
+            "nickname": "test-user",
+            "type": "user",
+            "uuid": "{00000000-0000-0000-0000-000000000001}"
+          }
+        },
+        "date": "2026-11-05T20:16:11+00:00",
+        "hash": "a69b43321a2390a5eeff8c4bb711348457a64396",
+        "links": {
+          "approve": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/commit/a69b43321a2390a5eeff8c4bb711348457a64396/approve"
+          },
+          "comments": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/commit/a69b43321a2390a5eeff8c4bb711348457a64396/comments"
+          },
+          "diff": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/diff/a69b43321a2390a5eeff8c4bb711348457a64396"
+          },
+          "html": {
+            "href": "https://bitbucket.org/test-workspace/test-repo/commits/a69b43321a2390a5eeff8c4bb711348457a64396"
+          },
+          "patch": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/patch/a69b43321a2390a5eeff8c4bb711348457a64396"
+          },
+          "self": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/commit/a69b43321a2390a5eeff8c4bb711348457a64396"
+          },
+          "statuses": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/commit/a69b43321a2390a5eeff8c4bb711348457a64396/statuses"
+          }
+        },
+        "message": "Rename tests, drop template, update README\n",
+        "parents": [
+          {
+            "hash": "f1ee80b1c7c743738fb49d063f9a30a880343314",
+            "links": {
+              "html": {
+                "href": "https://bitbucket.org/test-workspace/test-repo/commits/f1ee80b1c7c743738fb49d063f9a30a880343314"
+              },
+              "self": {
+                "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/commit/f1ee80b1c7c743738fb49d063f9a30a880343314"
+              }
+            },
+            "type": "commit"
+          }
+        ],
+        "repository": {
+          "full_name": "test-workspace/test-repo",
+          "links": {
+            "avatar": {
+              "href": "https://bytebucket.org/ravatar/%7B06cc78f5-9826-41c4-9bac-b4f44ca67ef4%7D?ts=default"
+            },
+            "html": {
+              "href": "https://bitbucket.org/test-workspace/test-repo"
+            },
+            "self": {
+              "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo"
+            }
+          },
+          "name": "test-repo",
+          "type": "repository",
+          "uuid": "{06cc78f5-9826-41c4-9bac-b4f44ca67ef4}"
+        },
+        "summary": {
+          "html": "<p>Rename tests, drop template, update README</p>",
+          "markup": "markdown",
+          "raw": "Rename tests, drop template, update README\n",
+          "type": "rendered"
+        },
+        "type": "commit"
+      },
+      {
+        "author": {
+          "raw": "Test User <test@example.com>",
+          "type": "author",
+          "user": {
+            "account_id": "557058:00000000-0000-0000-0000-000000000001",
+            "display_name": "Test User",
+            "links": {
+              "avatar": {
+                "href": "https://avatar.example.com/test-user.png"
+              }
+            },
+            "nickname": "test-user",
+            "type": "user",
+            "uuid": "{00000000-0000-0000-0000-000000000001}"
+          }
+        },
+        "date": "2026-11-05T20:16:11+00:00",
+        "hash": "f1ee80b1c7c743738fb49d063f9a30a880343314",
+        "links": {
+          "approve": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/commit/f1ee80b1c7c743738fb49d063f9a30a880343314/approve"
+          },
+          "comments": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/commit/f1ee80b1c7c743738fb49d063f9a30a880343314/comments"
+          },
+          "diff": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/diff/f1ee80b1c7c743738fb49d063f9a30a880343314"
+          },
+          "html": {
+            "href": "https://bitbucket.org/test-workspace/test-repo/commits/f1ee80b1c7c743738fb49d063f9a30a880343314"
+          },
+          "patch": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/patch/f1ee80b1c7c743738fb49d063f9a30a880343314"
+          },
+          "self": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/commit/f1ee80b1c7c743738fb49d063f9a30a880343314"
+          },
+          "statuses": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/commit/f1ee80b1c7c743738fb49d063f9a30a880343314/statuses"
+          }
+        },
+        "message": "Add greet module\n",
+        "parents": [
+          {
+            "hash": "a682892aa0f4502ef7a242f75d72d0b41eaa27b9",
+            "links": {
+              "html": {
+                "href": "https://bitbucket.org/test-workspace/test-repo/commits/a682892aa0f4502ef7a242f75d72d0b41eaa27b9"
+              },
+              "self": {
+                "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/commit/a682892aa0f4502ef7a242f75d72d0b41eaa27b9"
+              }
+            },
+            "type": "commit"
+          }
+        ],
+        "repository": {
+          "full_name": "test-workspace/test-repo",
+          "links": {
+            "avatar": {
+              "href": "https://bytebucket.org/ravatar/%7B06cc78f5-9826-41c4-9bac-b4f44ca67ef4%7D?ts=default"
+            },
+            "html": {
+              "href": "https://bitbucket.org/test-workspace/test-repo"
+            },
+            "self": {
+              "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo"
+            }
+          },
+          "name": "test-repo",
+          "type": "repository",
+          "uuid": "{06cc78f5-9826-41c4-9bac-b4f44ca67ef4}"
+        },
+        "summary": {
+          "html": "<p>Add greet module</p>",
+          "markup": "markdown",
+          "raw": "Add greet module\n",
+          "type": "rendered"
+        },
+        "type": "commit"
+      }
+    ]
+  },
+  "headers": {},
+  "status": 200
+}
diff --git a/tests/unit/provider/fixtures/bitbucket/pull_request_diff.json b/tests/unit/provider/fixtures/bitbucket/pull_request_diff.json
new file mode 100644
index 0000000..02c502a
--- /dev/null
+++ b/tests/unit/provider/fixtures/bitbucket/pull_request_diff.json
@@ -0,0 +1,5 @@
+{
+  "body": "diff --git a/src/test_app/math.py b/src/test_app/math.py\nindex 4693ad3..ca2ddb5 100644\n--- a/src/test_app/math.py\n+++ b/src/test_app/math.py\n@@ -1,2 +1,4 @@\n def add(a, b):\n     return a + b\n+def subtract(a, b):\n+    return a - b\n",
+  "headers": {},
+  "status": 200
+}
diff --git a/tests/unit/provider/fixtures/bitbucket/pull_request_diffstat.json b/tests/unit/provider/fixtures/bitbucket/pull_request_diffstat.json
new file mode 100644
index 0000000..8aee686
--- /dev/null
+++ b/tests/unit/provider/fixtures/bitbucket/pull_request_diffstat.json
@@ -0,0 +1,97 @@
+{
+  "body": {
+    "page": 1,
+    "pagelen": 500,
+    "size": 4,
+    "values": [
+      {
+        "lines_added": 0,
+        "lines_removed": 3,
+        "new": null,
+        "old": {
+          "escaped_path": "PULL_REQUEST_TEMPLATE.md",
+          "links": {
+            "self": {
+              "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/src/a682892aa0f4502ef7a242f75d72d0b41eaa27b9/PULL_REQUEST_TEMPLATE.md"
+            }
+          },
+          "path": "PULL_REQUEST_TEMPLATE.md",
+          "type": "commit_file"
+        },
+        "status": "removed",
+        "type": "diffstat"
+      },
+      {
+        "lines_added": 1,
+        "lines_removed": 0,
+        "new": {
+          "escaped_path": "README.md",
+          "links": {
+            "self": {
+              "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/src/a69b43321a2390a5eeff8c4bb711348457a64396/README.md"
+            }
+          },
+          "path": "README.md",
+          "type": "commit_file"
+        },
+        "old": {
+          "escaped_path": "README.md",
+          "links": {
+            "self": {
+              "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/src/a682892aa0f4502ef7a242f75d72d0b41eaa27b9/README.md"
+            }
+          },
+          "path": "README.md",
+          "type": "commit_file"
+        },
+        "status": "modified",
+        "type": "diffstat"
+      },
+      {
+        "lines_added": 2,
+        "lines_removed": 0,
+        "new": {
+          "escaped_path": "src/test_app/greet.py",
+          "links": {
+            "self": {
+              "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/src/a69b43321a2390a5eeff8c4bb711348457a64396/src/test_app/greet.py"
+            }
+          },
+          "path": "src/test_app/greet.py",
+          "type": "commit_file"
+        },
+        "old": null,
+        "status": "added",
+        "type": "diffstat"
+      },
+      {
+        "lines_added": 0,
+        "lines_removed": 0,
+        "new": {
+          "escaped_path": "tests/test_arithmetic.py",
+          "links": {
+            "self": {
+              "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/src/a69b43321a2390a5eeff8c4bb711348457a64396/tests/test_arithmetic.py"
+            }
+          },
+          "path": "tests/test_arithmetic.py",
+          "type": "commit_file"
+        },
+        "old": {
+          "escaped_path": "tests/test_math.py",
+          "links": {
+            "self": {
+              "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/src/a682892aa0f4502ef7a242f75d72d0b41eaa27b9/tests/test_math.py"
+            }
+          },
+          "path": "tests/test_math.py",
+          "type": "commit_file"
+        },
+        "status": "renamed",
+        "type": "diffstat"
+      }
+    ]
+  },
+  "headers": {},
+  "status": 200
+}
diff --git a/tests/unit/provider/fixtures/bitbucket/pull_request_merged.json b/tests/unit/provider/fixtures/bitbucket/pull_request_merged.json
new file mode 100644
index 0000000..cbcd6b9
--- /dev/null
+++ b/tests/unit/provider/fixtures/bitbucket/pull_request_merged.json
@@ -0,0 +1,191 @@
+{
+  "body": {
+    "author": {
+      "account_id": "557058:00000000-0000-0000-0000-000000000001",
+      "display_name": "Test User",
+      "links": {
+        "avatar": {
+          "href": "https://avatar.example.com/test-user.png"
+        }
+      },
+      "nickname": "test-user",
+      "type": "user",
+      "uuid": "{00000000-0000-0000-0000-000000000001}"
+    },
+    "close_source_branch": false,
+    "closed_by": {
+      "account_id": "557058:00000000-0000-0000-0000-000000000001",
+      "display_name": "Test User",
+      "links": {
+        "avatar": {
+          "href": "https://avatar.example.com/test-user.png"
+        }
+      },
+      "nickname": "test-user",
+      "type": "user",
+      "uuid": "{00000000-0000-0000-0000-000000000001}"
+    },
+    "comment_count": 0,
+    "created_on": "2026-11-05T20:16:20.205113+00:00",
+    "description": "Adds, removes, renames and modifies files.",
+    "destination": {
+      "branch": {
+        "name": "merge-base"
+      },
+      "commit": {
+        "hash": "a682892aa0f4",
+        "links": {
+          "html": {
+            "href": "https://bitbucket.org/test-workspace/test-repo/commits/a682892aa0f4"
+          },
+          "self": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/commit/a682892aa0f4"
+          }
+        },
+        "type": "commit"
+      },
+      "repository": {
+        "full_name": "test-workspace/test-repo",
+        "links": {
+          "avatar": {
+            "href": "https://bytebucket.org/ravatar/%7B06cc78f5-9826-41c4-9bac-b4f44ca67ef4%7D?ts=default"
+          },
+          "html": {
+            "href": "https://bitbucket.org/test-workspace/test-repo"
+          },
+          "self": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo"
+          }
+        },
+        "name": "test-repo",
+        "type": "repository",
+        "uuid": "{06cc78f5-9826-41c4-9bac-b4f44ca67ef4}"
+      }
+    },
+    "draft": false,
+    "id": 2,
+    "links": {
+      "activity": {
+        "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/2/activity"
+      },
+      "approve": {
+        "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/2/approve"
+      },
+      "comments": {
+        "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/2/comments"
+      },
+      "commits": {
+        "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/2/commits"
+      },
+      "decline": {
+        "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/2/decline"
+      },
+      "diff": {
+        "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/diff/test-workspace/test-repo:a69b43321a23%0Da682892aa0f4?from_pullrequest_id=2&topic=true"
+      },
+      "diffstat": {
+        "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/diffstat/test-workspace/test-repo:a69b43321a23%0Da682892aa0f4?from_pullrequest_id=2&topic=true"
+      },
+      "html": {
+        "href": "https://bitbucket.org/test-workspace/test-repo/pull-requests/2"
+      },
+      "merge": {
+        "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/2/merge"
+      },
+      "mergeability_checks": {
+        "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/2/mergeability/checks"
+      },
+      "request-changes": {
+        "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/2/request-changes"
+      },
+      "self": {
+        "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/2"
+      },
+      "statuses": {
+        "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/2/statuses"
+      }
+    },
+    "merge_commit": {
+      "hash": "69c00816acfd",
+      "links": {
+        "html": {
+          "href": "https://bitbucket.org/test-workspace/test-repo/commits/69c00816acfd"
+        },
+        "self": {
+          "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/commit/69c00816acfd"
+        }
+      },
+      "type": "commit"
+    },
+    "participants": [],
+    "queued": false,
+    "reason": "",
+    "rendered": {
+      "description": {
+        "html": "<p>Adds, removes, renames and modifies files.</p>",
+        "markup": "markdown",
+        "raw": "Adds, removes, renames and modifies files.",
+        "type": "rendered"
+      },
+      "title": {
+        "html": "<p>Change several files</p>",
+        "markup": "markdown",
+        "raw": "Change several files",
+        "type": "rendered"
+      }
+    },
+    "reviewers": [],
+    "source": {
+      "branch": {
+        "links": {},
+        "name": "file-changes",
+        "sync_strategies": [
+          "merge_commit",
+          "rebase"
+        ]
+      },
+      "commit": {
+        "hash": "a69b43321a23",
+        "links": {
+          "html": {
+            "href": "https://bitbucket.org/test-workspace/test-repo/commits/a69b43321a23"
+          },
+          "self": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/commit/a69b43321a23"
+          }
+        },
+        "type": "commit"
+      },
+      "repository": {
+        "full_name": "test-workspace/test-repo",
+        "links": {
+          "avatar": {
+            "href": "https://bytebucket.org/ravatar/%7B06cc78f5-9826-41c4-9bac-b4f44ca67ef4%7D?ts=default"
+          },
+          "html": {
+            "href": "https://bitbucket.org/test-workspace/test-repo"
+          },
+          "self": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo"
+          }
+        },
+        "name": "test-repo",
+        "type": "repository",
+        "uuid": "{06cc78f5-9826-41c4-9bac-b4f44ca67ef4}"
+      }
+    },
+    "state": "MERGED",
+    "summary": {
+      "html": "<p>Adds, removes, renames and modifies files.</p>",
+      "markup": "markdown",
+      "raw": "Adds, removes, renames and modifies files.",
+      "type": "rendered"
+    },
+    "task_count": 0,
+    "title": "Change several files",
+    "type": "pullrequest",
+    "updated_on": "2026-11-05T20:17:01.144315+00:00"
+  },
+  "headers": {},
+  "status": 200
+}
diff --git a/tests/unit/provider/fixtures/bitbucket/pull_request_merged_diff.json b/tests/unit/provider/fixtures/bitbucket/pull_request_merged_diff.json
new file mode 100644
index 0000000..617463c
--- /dev/null
+++ b/tests/unit/provider/fixtures/bitbucket/pull_request_merged_diff.json
@@ -0,0 +1,5 @@
+{
+  "body": "diff --git a/PULL_REQUEST_TEMPLATE.md b/PULL_REQUEST_TEMPLATE.md\ndeleted file mode 100644\nindex e82037b..0000000\n--- a/PULL_REQUEST_TEMPLATE.md\n+++ /dev/null\n@@ -1,3 +0,0 @@\n-## Summary\n-\n-## Test plan\ndiff --git a/README.md b/README.md\nindex 836111e..3feb00b 100644\n--- a/README.md\n+++ b/README.md\n@@ -1,3 +1,4 @@\n # test-repo\n \n A test repository.\n+More docs.\ndiff --git a/src/test_app/greet.py b/src/test_app/greet.py\nnew file mode 100644\nindex 0000000..8a5b158\n--- /dev/null\n+++ b/src/test_app/greet.py\n@@ -0,0 +1,2 @@\n+def greet(name):\n+    return f\"Hello, {name}\"\ndiff --git a/tests/test_math.py b/tests/test_arithmetic.py\nsimilarity index 100%\nrename from tests/test_math.py\nrename to tests/test_arithmetic.py\n",
+  "headers": {},
+  "status": 200
+}
diff --git a/tests/unit/provider/fixtures/bitbucket/pull_request_not_found.json b/tests/unit/provider/fixtures/bitbucket/pull_request_not_found.json
new file mode 100644
index 0000000..d2ba4d8
--- /dev/null
+++ b/tests/unit/provider/fixtures/bitbucket/pull_request_not_found.json
@@ -0,0 +1,5 @@
+{
+  "body": "Not Found",
+  "headers": {},
+  "status": 404
+}
diff --git a/tests/unit/provider/fixtures/bitbucket/pull_requests_page_1.json b/tests/unit/provider/fixtures/bitbucket/pull_requests_page_1.json
new file mode 100644
index 0000000..fb0477c
--- /dev/null
+++ b/tests/unit/provider/fixtures/bitbucket/pull_requests_page_1.json
@@ -0,0 +1,335 @@
+{
+  "body": {
+    "next": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests?q=state%3D%22OPEN%22+OR+state%3D%22MERGED%22+OR+state%3D%22DECLINED%22+OR+state%3D%22SUPERSEDED%22&pagelen=2&page=2",
+    "page": 1,
+    "pagelen": 2,
+    "size": 3,
+    "values": [
+      {
+        "author": {
+          "account_id": "557058:00000000-0000-0000-0000-000000000001",
+          "display_name": "Test User",
+          "links": {
+            "avatar": {
+              "href": "https://avatar.example.com/test-user.png"
+            }
+          },
+          "nickname": "test-user",
+          "type": "user",
+          "uuid": "{00000000-0000-0000-0000-000000000001}"
+        },
+        "close_source_branch": false,
+        "closed_by": {
+          "account_id": "557058:00000000-0000-0000-0000-000000000001",
+          "display_name": "Test User",
+          "links": {
+            "avatar": {
+              "href": "https://avatar.example.com/test-user.png"
+            }
+          },
+          "nickname": "test-user",
+          "type": "user",
+          "uuid": "{00000000-0000-0000-0000-000000000001}"
+        },
+        "comment_count": 0,
+        "created_on": "2026-11-05T20:16:21.232478+00:00",
+        "description": "",
+        "destination": {
+          "branch": {
+            "name": "main"
+          },
+          "commit": {
+            "hash": "a682892aa0f4",
+            "links": {
+              "html": {
+                "href": "https://bitbucket.org/test-workspace/test-repo/commits/a682892aa0f4"
+              },
+              "self": {
+                "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/commit/a682892aa0f4"
+              }
+            },
+            "type": "commit"
+          },
+          "repository": {
+            "full_name": "test-workspace/test-repo",
+            "links": {
+              "avatar": {
+                "href": "https://bytebucket.org/ravatar/%7B06cc78f5-9826-41c4-9bac-b4f44ca67ef4%7D?ts=default"
+              },
+              "html": {
+                "href": "https://bitbucket.org/test-workspace/test-repo"
+              },
+              "self": {
+                "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo"
+              }
+            },
+            "name": "test-repo",
+            "type": "repository",
+            "uuid": "{06cc78f5-9826-41c4-9bac-b4f44ca67ef4}"
+          }
+        },
+        "draft": false,
+        "id": 3,
+        "links": {
+          "activity": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/3/activity"
+          },
+          "approve": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/3/approve"
+          },
+          "comments": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/3/comments"
+          },
+          "commits": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/3/commits"
+          },
+          "decline": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/3/decline"
+          },
+          "diff": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/diff/test-workspace/test-repo:d6c9ae94e902%0Da682892aa0f4?from_pullrequest_id=3&topic=true"
+          },
+          "diffstat": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/diffstat/test-workspace/test-repo:d6c9ae94e902%0Da682892aa0f4?from_pullrequest_id=3&topic=true"
+          },
+          "html": {
+            "href": "https://bitbucket.org/test-workspace/test-repo/pull-requests/3"
+          },
+          "merge": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/3/merge"
+          },
+          "mergeability_checks": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/3/mergeability/checks"
+          },
+          "request-changes": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/3/request-changes"
+          },
+          "self": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/3"
+          },
+          "statuses": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/3/statuses"
+          }
+        },
+        "merge_commit": null,
+        "queued": false,
+        "reason": "",
+        "source": {
+          "branch": {
+            "links": {},
+            "name": "declined-branch"
+          },
+          "commit": {
+            "hash": "d6c9ae94e902",
+            "links": {
+              "html": {
+                "href": "https://bitbucket.org/test-workspace/test-repo/commits/d6c9ae94e902"
+              },
+              "self": {
+                "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/commit/d6c9ae94e902"
+              }
+            },
+            "type": "commit"
+          },
+          "repository": {
+            "full_name": "test-workspace/test-repo",
+            "links": {
+              "avatar": {
+                "href": "https://bytebucket.org/ravatar/%7B06cc78f5-9826-41c4-9bac-b4f44ca67ef4%7D?ts=default"
+              },
+              "html": {
+                "href": "https://bitbucket.org/test-workspace/test-repo"
+              },
+              "self": {
+                "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo"
+              }
+            },
+            "name": "test-repo",
+            "type": "repository",
+            "uuid": "{06cc78f5-9826-41c4-9bac-b4f44ca67ef4}"
+          }
+        },
+        "state": "DECLINED",
+        "summary": {
+          "html": "",
+          "markup": "markdown",
+          "raw": "",
+          "type": "rendered"
+        },
+        "task_count": 0,
+        "title": "Declined pull request",
+        "type": "pullrequest",
+        "updated_on": "2026-11-05T20:17:02.221583+00:00"
+      },
+      {
+        "author": {
+          "account_id": "557058:00000000-0000-0000-0000-000000000001",
+          "display_name": "Test User",
+          "links": {
+            "avatar": {
+              "href": "https://avatar.example.com/test-user.png"
+            }
+          },
+          "nickname": "test-user",
+          "type": "user",
+          "uuid": "{00000000-0000-0000-0000-000000000001}"
+        },
+        "close_source_branch": false,
+        "closed_by": {
+          "account_id": "557058:00000000-0000-0000-0000-000000000001",
+          "display_name": "Test User",
+          "links": {
+            "avatar": {
+              "href": "https://avatar.example.com/test-user.png"
+            }
+          },
+          "nickname": "test-user",
+          "type": "user",
+          "uuid": "{00000000-0000-0000-0000-000000000001}"
+        },
+        "comment_count": 0,
+        "created_on": "2026-11-05T20:16:20.205113+00:00",
+        "description": "Adds, removes, renames and modifies files.",
+        "destination": {
+          "branch": {
+            "name": "merge-base"
+          },
+          "commit": {
+            "hash": "a682892aa0f4",
+            "links": {
+              "html": {
+                "href": "https://bitbucket.org/test-workspace/test-repo/commits/a682892aa0f4"
+              },
+              "self": {
+                "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/commit/a682892aa0f4"
+              }
+            },
+            "type": "commit"
+          },
+          "repository": {
+            "full_name": "test-workspace/test-repo",
+            "links": {
+              "avatar": {
+                "href": "https://bytebucket.org/ravatar/%7B06cc78f5-9826-41c4-9bac-b4f44ca67ef4%7D?ts=default"
+              },
+              "html": {
+                "href": "https://bitbucket.org/test-workspace/test-repo"
+              },
+              "self": {
+                "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo"
+              }
+            },
+            "name": "test-repo",
+            "type": "repository",
+            "uuid": "{06cc78f5-9826-41c4-9bac-b4f44ca67ef4}"
+          }
+        },
+        "draft": false,
+        "id": 2,
+        "links": {
+          "activity": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/2/activity"
+          },
+          "approve": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/2/approve"
+          },
+          "comments": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/2/comments"
+          },
+          "commits": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/2/commits"
+          },
+          "decline": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/2/decline"
+          },
+          "diff": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/diff/test-workspace/test-repo:a69b43321a23%0Da682892aa0f4?from_pullrequest_id=2&topic=true"
+          },
+          "diffstat": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/diffstat/test-workspace/test-repo:a69b43321a23%0Da682892aa0f4?from_pullrequest_id=2&topic=true"
+          },
+          "html": {
+            "href": "https://bitbucket.org/test-workspace/test-repo/pull-requests/2"
+          },
+          "merge": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/2/merge"
+          },
+          "mergeability_checks": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/2/mergeability/checks"
+          },
+          "request-changes": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/2/request-changes"
+          },
+          "self": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/2"
+          },
+          "statuses": {
+            "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/pullrequests/2/statuses"
+          }
+        },
+        "merge_commit": {
+          "hash": "69c00816acfd",
+          "links": {
+            "html": {
+              "href": "https://bitbucket.org/test-workspace/test-repo/commits/69c00816acfd"
+            },
+            "self": {
+              "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/commit/69c00816acfd"
+            }
+          },
+          "type": "commit"
+        },
+        "queued": false,
+        "reason": "",
+        "source": {
+          "branch": {
+            "links": {},
+            "name": "file-changes"
+          },
+          "commit": {
+            "hash": "a69b43321a23",
+            "links": {
+              "html": {
+                "href": "https://bitbucket.org/test-workspace/test-repo/commits/a69b43321a23"
+              },
+              "self": {
+                "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo/commit/a69b43321a23"
+              }
+            },
+            "type": "commit"
+          },
+          "repository": {
+            "full_name": "test-workspace/test-repo",
+            "links": {
+              "avatar": {
+                "href": "https://bytebucket.org/ravatar/%7B06cc78f5-9826-41c4-9bac-b4f44ca67ef4%7D?ts=default"
+              },
+              "html": {
+                "href": "https://bitbucket.org/test-workspace/test-repo"
+              },
+              "self": {
+                "href": "https://api.bitbucket.org/2.0/repositories/test-workspace/test-repo"
+              }
+            },
+            "name": "test-repo",
+            "type": "repository",
+            "uuid": "{06cc78f5-9826-41c4-9bac-b4f44ca67ef4}"
+          }
+        },
+        "state": "MERGED",
+        "summary": {
+          "html": "<p>Adds, removes, renames and modifies files.</p>",
+          "markup": "markdown",
+          "raw": "Adds, removes, renames and modifies files.",
+          "type": "rendered"
+        },
+        "task_count": 0,
+        "title": "Change several files",
+        "type": "pullrequest",
+        "updated_on": "2026-11-05T20:17:01.144315+00:00"
+      }
+    ]
+  },
+  "headers": {},
+  "status": 200
+}
diff --git a/tests/unit/provider/test_bitbucket.py b/tests/unit/provider/test_bitbucket.py
index 3e21908..600e5f6 100644
--- a/tests/unit/provider/test_bitbucket.py
+++ b/tests/unit/provider/test_bitbucket.py
@@ -12,8 +12,10 @@
 from scm.providers.bitbucket.provider import (
     BitbucketProvider,
     map_app_installation,
+    map_author,
     map_commit_author,
     map_paginated_action,
+    map_pull_request_file,
     map_repository,
     next_cursor,
     parse_scopes,
@@ -32,9 +34,16 @@
     GetFileContentProtocol,
     GetFileUrlProtocol,
     GetGitRemoteProtocol,
+    GetPullRequestCommitsProtocol,
+    GetPullRequestDiffProtocol,
+    GetPullRequestFilesProtocol,
+    GetPullRequestProtocol,
+    GetPullRequestsProtocol,
     GetPullRequestTemplateProtocol,
+    GetPullRequestUrlProtocol,
     GetReadmeProtocol,
     GetRepositoryProtocol,
+    PullRequestState,
     Repository,
 )
 
@@ -58,6 +67,12 @@
     GetCommitsUrlProtocol,
     GetCommitUrlProtocol,
     GetRepositoryProtocol,
+    GetPullRequestCommitsProtocol,
+    GetPullRequestDiffProtocol,
+    GetPullRequestFilesProtocol,
+    GetPullRequestProtocol,
+    GetPullRequestsProtocol,
+    GetPullRequestUrlProtocol,
 ]
 COMMIT_SHA = "e723f15089c22737bb51aee8db06e0eab91e4ba1"
 HEAD_SHA = "e3ef83d1a831b7b26c838372f668b1627bbf9a1a"
@@ -65,6 +80,13 @@
 TEST_AUTHOR = {"name": "Test User", "email": "test@example.com", "date": datetime(2026, 11, 5, 20, 16, 34, tzinfo=UTC)}
 
 
+TEST_USER = {"id": "{00000000-0000-0000-0000-000000000001}", "username": "test-user"}
+
+HEAD_HASH = "c495d0431cfae535ec9a05e4def54229d0eb2ad2"
+
+BASE_HASH = "a682892aa0f4502ef7a242f75d72d0b41eaa27b9"
+
+
 def recorded(name: str) -> requests.Response:
     """Build a response from a fixture recorded against Bitbucket Cloud."""
     fixture = json.loads((FIXTURES / f"{name}.json").read_text())
@@ -625,6 +647,22 @@ def test_author_without_linked_user(self, raw: dict[str, Any], name: str, email:
         author = map_commit_author(raw, "2026-11-05T20:16:34+00:00")
         assert (author["name"], author["email"]) == (name, email)
 
+    def test_split_patches_reads_paths_containing_b_slash(self) -> None:
+        diff = (
+            "diff --git a/Appendix b/notes.md b/Appendix b/notes.md\n"
+            "--- a/Appendix b/notes.md\t\n"
+            "+++ b/Appendix b/notes.md\t\n"
+            "@@ -1 +1 @@\n-x\n+y\n"
+            "diff --git a/gone.py b/gone.py\n"
+            "--- a/gone.py\n"
+            "+++ /dev/null\n"
+            "@@ -1 +0,0 @@\n-x\n"
+        )
+        assert split_patches(diff) == {
+            "Appendix b/notes.md": "@@ -1 +1 @@\n-x\n+y\n",
+            "gone.py": "@@ -1 +0,0 @@\n-x\n",
+        }
+
     def test_split_patches_skips_files_without_hunks(self) -> None:
         diff = (
             "diff --git a/old.md b/new.md\nsimilarity index 100%\nrename from old.md\nrename to new.md\n"
@@ -632,3 +670,354 @@ def test_split_patches_skips_files_without_hunks(self) -> None:
             "diff --git a/a.py b/a.py\n--- a/a.py\n+++ b/a.py\n@@ -1 +1 @@\n-x\n+y\n"
         )
         assert split_patches(diff) == {"a.py": "@@ -1 +1 @@\n-x\n+y\n"}
+
+
+def json_response(body: dict[str, Any], status: int = 200) -> requests.Response:
+    response = requests.Response()
+    response.status_code = status
+    response._content = json.dumps(body).encode()
+    response.request = requests.Request("GET", "https://api.bitbucket.org/2.0/x").prepare()
+    return response
+
+
+class TestGetPullRequest:
+    def test_maps_open_pull_request(self, provider: BitbucketProvider, client: unittest.mock.MagicMock) -> None:
+        client.request.side_effect = [
+            recorded("pull_request"),
+            json_response({"hash": HEAD_HASH}),
+            json_response({"hash": BASE_HASH}),
+        ]
+
+        result = provider.get_pull_request("1")
+
+        assert [(c.kwargs["path"], c.kwargs["params"]) for c in client.request.call_args_list] == [
+            (f"/2.0/repositories/{REPO}/pullrequests/1", {}),
+            (f"/2.0/repositories/{REPO}/commit/c495d0431cfa", {"fields": "hash"}),
+            (f"/2.0/repositories/{REPO}/commit/a682892aa0f4", {"fields": "hash"}),
+        ]
+        assert result["data"] == {
+            "id": "1",
+            "internal_id": "1",
+            "title": "Test pull request",
+            "body": "A test pull request.",
+            "state": "open",
+            "merged": False,
+            "html_url": f"https://bitbucket.org/{REPO}/pull-requests/1",
+            "head": {"ref": "test-branch-1", "sha": HEAD_HASH},
+            "base": {"ref": "main", "sha": BASE_HASH},
+            "author": TEST_USER,
+        }
+
+    def test_expands_head_hash_in_source_repository(
+        self, provider: BitbucketProvider, client: unittest.mock.MagicMock
+    ) -> None:
+        response = recorded("pull_request")
+        body = response.json()
+        body["source"]["repository"]["full_name"] = "fork-workspace/test-repo"
+        client.request.side_effect = [
+            json_response(body),
+            json_response({"hash": HEAD_HASH}),
+            json_response({"hash": BASE_HASH}),
+        ]
+
+        provider.get_pull_request("1")
+
+        assert (
+            client.request.call_args_list[1].kwargs["path"]
+            == "/2.0/repositories/fork-workspace/test-repo/commit/c495d0431cfa"
+        )
+
+    @pytest.mark.parametrize("status", [403, 404])
+    def test_keeps_short_hash_it_cannot_expand(
+        self, provider: BitbucketProvider, client: unittest.mock.MagicMock, status: int
+    ) -> None:
+        client.request.side_effect = [
+            recorded("pull_request"),
+            json_response({"type": "error"}, status=status),
+            json_response({"hash": BASE_HASH}),
+        ]
+
+        pull_request = provider.get_pull_request("1")["data"]
+
+        assert pull_request["head"]["sha"] == "c495d0431cfa"
+        assert pull_request["base"]["sha"] == BASE_HASH
+
+    def test_other_errors_expanding_a_hash_raise(
+        self, provider: BitbucketProvider, client: unittest.mock.MagicMock
+    ) -> None:
+        client.request.side_effect = [recorded("pull_request"), json_response({"type": "error"}, status=400)]
+        with pytest.raises(ResourceBadRequest):
+            provider.get_pull_request("1")
+
+    def test_skips_expanding_a_missing_commit(
+        self, provider: BitbucketProvider, client: unittest.mock.MagicMock
+    ) -> None:
+        body = recorded("pull_request").json()
+        body["source"]["commit"] = None
+        client.request.side_effect = [json_response(body), json_response({"hash": BASE_HASH})]
+
+        pull_request = provider.get_pull_request("1")["data"]
+
+        assert pull_request["head"]["sha"] is None
+        assert pull_request["base"]["sha"] == BASE_HASH
+        assert client.request.call_count == 2
+
+    @pytest.mark.parametrize("repository", [{}, {"repository": None}], ids=["missing", "null"])
+    def test_keeps_short_hash_without_a_repository(
+        self, provider: BitbucketProvider, client: unittest.mock.MagicMock, repository: dict[str, Any]
+    ) -> None:
+        body = recorded("pull_request").json()
+        del body["source"]["repository"]
+        body["source"].update(repository)
+        client.request.side_effect = [json_response(body), json_response({"hash": BASE_HASH})]
+
+        pull_request = provider.get_pull_request("1")["data"]
+
+        assert pull_request["head"]["sha"] == "c495d0431cfa"
+        assert client.request.call_count == 2
+
+    def test_merged_pull_request_is_closed(self, provider: BitbucketProvider, client: unittest.mock.MagicMock) -> None:
+        client.request.side_effect = [
+            recorded("pull_request_merged"),
+            json_response({"hash": "a69b43321a2390a5eeff8c4bb711348457a64396"}),
+            json_response({"hash": BASE_HASH}),
+        ]
+
+        pull_request = provider.get_pull_request("2")["data"]
+
+        assert pull_request["state"] == "closed"
+        assert pull_request["merged"] is True
+        assert pull_request["base"]["ref"] == "merge-base"
+
+    def test_not_found(self, provider: BitbucketProvider, client: unittest.mock.MagicMock) -> None:
+        client.request.return_value = recorded("pull_request_not_found")
+        with pytest.raises(ResourceNotFound):
+            provider.get_pull_request("999")
+
+
+@pytest.mark.parametrize(
+    ("raw", "username"),
+    [
+        ({"nickname": "test-user", "display_name": "Test User"}, "test-user"),
+        ({"type": "app_user", "display_name": "Test App"}, "Test App"),
+        ({}, ""),
+    ],
+)
+def test_map_author(raw: dict[str, Any], username: str) -> None:
+    raw = {"uuid": "{00000000-0000-0000-0000-000000000002}", **raw}
+    assert map_author(raw) == {"id": "{00000000-0000-0000-0000-000000000002}", "username": username}
+
+
+class TestGetPullRequests:
+    def test_maps_page(self, provider: BitbucketProvider, client: unittest.mock.MagicMock) -> None:
+        client.request.return_value = recorded("pull_requests_page_1")
+
+        result = provider.get_pull_requests(state=None, pagination={"cursor": "5", "per_page": 2})
+
+        assert request_kwargs(client)["params"]["pagelen"] == "2"
+        assert request_kwargs(client)["params"]["page"] == "5"
+        assert [(pr["id"], pr["state"], pr["merged"]) for pr in result["data"]] == [
+            ("3", "closed", False),
+            ("2", "closed", True),
+        ]
+        assert result["data"][0]["body"] is None
+        assert result["meta"]["next_cursor"] == "2"
+
+    @pytest.mark.parametrize(
+        ("state", "query"),
+        [
+            ("open", 'state="OPEN"'),
+            ("closed", '(state="MERGED" OR state="DECLINED" OR state="SUPERSEDED")'),
+            (None, '(state="OPEN" OR state="MERGED" OR state="DECLINED" OR state="SUPERSEDED")'),
+        ],
+    )
+    def test_state_filter(
+        self,
+        provider: BitbucketProvider,
+        client: unittest.mock.MagicMock,
+        state: PullRequestState | None,
+        query: str,
+    ) -> None:
+        client.request.return_value = recorded("pull_requests_page_1")
+        provider.get_pull_requests(state=state)
+        assert request_kwargs(client)["params"] == {"q": query}
+
+    @pytest.mark.parametrize("head", ["feature/x", "test-workspace:feature/x", "test-workspace:refs/heads/feature/x"])
+    def test_head_filter(self, provider: BitbucketProvider, client: unittest.mock.MagicMock, head: str) -> None:
+        client.request.return_value = recorded("pull_requests_page_1")
+        provider.get_pull_requests(head=head)
+        assert request_kwargs(client)["params"] == {"q": 'source.branch.name="feature/x" AND state="OPEN"'}
+
+    def test_head_filter_escapes_quotes(self, provider: BitbucketProvider, client: unittest.mock.MagicMock) -> None:
+        client.request.return_value = recorded("pull_requests_page_1")
+        provider.get_pull_requests(head='a"b')
+        assert request_kwargs(client)["params"]["q"].startswith('source.branch.name="a\\"b" AND ')
+
+    def test_head_filter_keeps_non_ascii(self, provider: BitbucketProvider, client: unittest.mock.MagicMock) -> None:
+        client.request.return_value = recorded("pull_requests_page_1")
+        provider.get_pull_requests(head="feature/é")
+        assert request_kwargs(client)["params"]["q"].startswith('source.branch.name="feature/é" AND ')
+
+
+class TestGetPullRequestFiles:
+    def test_maps_diffstat(self, provider: BitbucketProvider, client: unittest.mock.MagicMock) -> None:
+        client.request.side_effect = [recorded("pull_request_diffstat"), recorded("pull_request_merged_diff")]
+
+        result = provider.get_pull_request_files("2")
+
+        assert [(c.kwargs["path"], c.kwargs["allow_redirects"]) for c in client.request.call_args_list] == [
+            (f"/2.0/repositories/{REPO}/pullrequests/2/diffstat", True),
+            (f"/2.0/repositories/{REPO}/pullrequests/2/diff", True),
+        ]
+        assert result["data"] == [
+            {
+                "filename": "PULL_REQUEST_TEMPLATE.md",
+                "status": "removed",
+                "patch": "@@ -1,3 +0,0 @@\n-## Summary\n-\n-## Test plan\n",
+                "changes": 3,
+                "sha": "",
+                "previous_filename": None,
+            },
+            {
+                "filename": "README.md",
+                "status": "modified",
+                "patch": "@@ -1,3 +1,4 @@\n # test-repo\n \n A test repository.\n+More docs.\n",
+                "changes": 1,
+                "sha": "",
+                "previous_filename": None,
+            },
+            {
+                "filename": "src/test_app/greet.py",
+                "status": "added",
+                "patch": '@@ -0,0 +1,2 @@\n+def greet(name):\n+    return f"Hello, {name}"\n',
+                "changes": 2,
+                "sha": "",
+                "previous_filename": None,
+            },
+            {
+                "filename": "tests/test_arithmetic.py",
+                "status": "renamed",
+                "patch": None,
+                "changes": 0,
+                "sha": "",
+                "previous_filename": "tests/test_math.py",
+            },
+        ]
+        assert result["meta"]["next_cursor"] is None
+
+    def test_passes_pagination_to_diffstat(self, provider: BitbucketProvider, client: unittest.mock.MagicMock) -> None:
+        client.request.side_effect = [recorded("pull_request_diffstat"), recorded("pull_request_merged_diff")]
+
+        provider.get_pull_request_files("2", pagination={"cursor": "3", "per_page": 5})
+
+        assert client.request.call_args_list[0].kwargs["params"] == {"pagelen": "5", "page": "3"}
+
+    def test_conflict_status_is_unknown(self) -> None:
+        raw = {"status": "merge conflict", "old": None, "new": {"path": "a.py"}, "lines_added": 1, "lines_removed": 0}
+        assert map_pull_request_file(raw, {})["status"] == "unknown"
+
+
+class TestGetPullRequestCommits:
+    def test_maps_commits_oldest_first(self, provider: BitbucketProvider, client: unittest.mock.MagicMock) -> None:
+        client.request.return_value = recorded("pull_request_commits")
+
+        result = provider.get_pull_request_commits("2")
+
+        assert request_kwargs(client)["path"] == f"/2.0/repositories/{REPO}/pullrequests/2/commits"
+        assert request_kwargs(client)["params"] == {"pagelen": "100"}
+        assert client.request.call_count == 1
+        assert result["meta"]["next_cursor"] is None
+        assert result["data"] == [
+            {
+                "sha": "f1ee80b1c7c743738fb49d063f9a30a880343314",
+                "message": "Add greet module\n",
+                "author": {
+                    "name": "Test User",
+                    "email": "test@example.com",
+                    "date": datetime(2026, 11, 5, 20, 16, 11, tzinfo=UTC),
+                },
+            },
+            {
+                "sha": "a69b43321a2390a5eeff8c4bb711348457a64396",
+                "message": "Rename tests, drop template, update README\n",
+                "author": {
+                    "name": "Test User",
+                    "email": "test@example.com",
+                    "date": datetime(2026, 11, 5, 20, 16, 11, tzinfo=UTC),
+                },
+            },
+        ]
+
+    def test_reads_every_page_oldest_first(self, provider: BitbucketProvider, client: unittest.mock.MagicMock) -> None:
+        newest, oldest = recorded("pull_request_commits").json()["values"]
+        next_url = f"https://api.bitbucket.org/2.0/repositories/{REPO}/pullrequests/2/commits?page=67Fg"
+        client.request.side_effect = [
+            json_response({"values": [newest], "next": next_url}),
+            json_response({"values": [oldest]}),
+        ]
+
+        result = provider.get_pull_request_commits("2", pagination={"per_page": 1})
+
+        assert client.request.call_args_list[1].kwargs["params"] == {"pagelen": "100", "page": "67Fg"}
+        assert [commit["sha"] for commit in result["data"]] == [oldest["hash"], newest["hash"]]
+        assert result["meta"]["next_cursor"] is None
+
+    @staticmethod
+    def with_merge_commit(merge_hash: str) -> requests.Response:
+        body = recorded("pull_request_commits").json()
+        merge_commit = {
+            **body["values"][0],
+            "hash": merge_hash,
+            "message": "Merged in file-changes (pull request #2)\n",
+            "parents": [{"hash": BASE_HASH}, {"hash": body["values"][0]["hash"]}],
+        }
+        body["values"].insert(0, merge_commit)
+        return json_response(body)
+
+    def test_drops_bitbucket_merge_commit(self, provider: BitbucketProvider, client: unittest.mock.MagicMock) -> None:
+        client.request.side_effect = [
+            self.with_merge_commit("69c00816acfdb151b90d7dd925cfa79922f362e9"),
+            recorded("pull_request_merged"),
+        ]
+
+        result = provider.get_pull_request_commits("2")
+
+        assert client.request.call_args_list[1].kwargs["path"] == f"/2.0/repositories/{REPO}/pullrequests/2"
+        assert [commit["sha"] for commit in result["data"]] == [
+            "f1ee80b1c7c743738fb49d063f9a30a880343314",
+            "a69b43321a2390a5eeff8c4bb711348457a64396",
+        ]
+
+    def test_keeps_other_merge_commits(self, provider: BitbucketProvider, client: unittest.mock.MagicMock) -> None:
+        merge_hash = "1111111111111111111111111111111111111111"
+        client.request.side_effect = [self.with_merge_commit(merge_hash), recorded("pull_request_merged")]
+
+        result = provider.get_pull_request_commits("2")
+
+        assert result["data"][-1]["sha"] == merge_hash
+
+    def test_keeps_merge_commit_on_open_pull_request(
+        self, provider: BitbucketProvider, client: unittest.mock.MagicMock
+    ) -> None:
+        merge_hash = "2222222222222222222222222222222222222222"
+        client.request.side_effect = [self.with_merge_commit(merge_hash), recorded("pull_request")]
+
+        result = provider.get_pull_request_commits("1")
+
+        assert result["data"][-1]["sha"] == merge_hash
+
+
+class TestGetPullRequestDiff:
+    def test_returns_diff_text(self, provider: BitbucketProvider, client: unittest.mock.MagicMock) -> None:
+        client.request.return_value = recorded("pull_request_diff")
+
+        result = provider.get_pull_request_diff("1")
+
+        assert request_kwargs(client)["path"] == f"/2.0/repositories/{REPO}/pullrequests/1/diff"
+        assert request_kwargs(client)["allow_redirects"] is True
+        assert result["data"].startswith("diff --git a/src/test_app/math.py b/src/test_app/math.py\n")
+        assert "+def subtract(a, b):\n" in result["data"]
+
+
+def test_get_pull_request_url(provider: BitbucketProvider) -> None:
+    assert provider.get_pull_request_url("1") == f"https://bitbucket.org/{REPO}/pull-requests/1"