diff --git a/packages/cli/src/lib/api/auth.ts b/packages/cli/src/lib/api/auth.ts
index 4251b7038..3e1146728 100644
--- a/packages/cli/src/lib/api/auth.ts
+++ b/packages/cli/src/lib/api/auth.ts
@@ -1,7 +1,9 @@
+import { retrieveApiIndex } from "@sentry/api";
 import { array, nullable, object, string } from "valibot";
 
 import { getControlSiloUrl } from "../sentry-client.js";
-import { apiRequestToRegion } from "./infrastructure.js";
+import { getSdkClientConfig } from "../sentry-sdk-client.js";
+import { unwrapValidatedResult } from "./infrastructure.js";
 
 const AuthStatusSchema = object({
   auth: nullable(
@@ -14,8 +16,14 @@ const AuthStatusSchema = object({
 export async function getCurrentAuthScopes(): Promise<
   readonly string[] | null
 > {
-  const { data } = await apiRequestToRegion(getControlSiloUrl(), "", {
-    schema: AuthStatusSchema,
+  const result = await retrieveApiIndex({
+    ...getSdkClientConfig(getControlSiloUrl()),
   });
+  const data = unwrapValidatedResult(
+    result,
+    "Failed to read token scopes",
+    AuthStatusSchema,
+    "/",
+  );
   return data.auth?.scopes ?? null;
 }
diff --git a/packages/cli/test/lib/api/auth.test.ts b/packages/cli/test/lib/api/auth.test.ts
index af369f76d..4e91bf34e 100644
--- a/packages/cli/test/lib/api/auth.test.ts
+++ b/packages/cli/test/lib/api/auth.test.ts
@@ -1,53 +1,63 @@
 import { beforeEach, describe, expect, test, vi } from "vitest";
 
-vi.mock("../../../src/lib/api/infrastructure.js", () => ({
-  apiRequestToRegion: vi.fn(),
+const { retrieveApiIndexMock } = vi.hoisted(() => ({
+  retrieveApiIndexMock: vi.fn(),
+}));
+
+vi.mock("@sentry/api", async (importOriginal) => ({
+  ...(await importOriginal<typeof import("@sentry/api")>()),
+  retrieveApiIndex: retrieveApiIndexMock,
+}));
+
+vi.mock("../../../src/lib/sentry-client.js", async (importOriginal) => ({
+  ...(await importOriginal<
+    typeof import("../../../src/lib/sentry-client.js")
+  >()),
+  getControlSiloUrl: () => "https://sentry.io",
 }));
 
 import { getCurrentAuthScopes } from "../../../src/lib/api/auth.js";
-import { apiRequestToRegion } from "../../../src/lib/api/infrastructure.js";
+import { ApiError } from "../../../src/lib/errors.js";
 
 describe("getCurrentAuthScopes", () => {
-  beforeEach(() => vi.mocked(apiRequestToRegion).mockReset());
+  beforeEach(() => retrieveApiIndexMock.mockReset());
 
   test("reads effective token scopes from the API index", async () => {
-    vi.mocked(apiRequestToRegion).mockResolvedValue({
-      data: { auth: { scopes: ["org:read", "team:admin"] } },
-      headers: new Headers(),
+    retrieveApiIndexMock.mockResolvedValue({
+      data: {
+        version: "0",
+        auth: { scopes: ["org:read", "team:admin"] },
+        user: null,
+      },
+      response: new Response(),
     });
 
     await expect(getCurrentAuthScopes()).resolves.toEqual([
       "org:read",
       "team:admin",
     ]);
-    expect(apiRequestToRegion).toHaveBeenCalledWith(
-      expect.any(String),
-      "",
-      expect.objectContaining({ schema: expect.any(Object) }),
+    expect(retrieveApiIndexMock).toHaveBeenCalledWith(
+      expect.objectContaining({ baseUrl: "https://sentry.io" }),
     );
   });
 
   test("returns null when the API index reports no authenticated token", async () => {
-    vi.mocked(apiRequestToRegion).mockResolvedValue({
-      data: { auth: null },
-      headers: new Headers(),
+    retrieveApiIndexMock.mockResolvedValue({
+      data: { version: "0", auth: null, user: null },
+      response: new Response(),
     });
 
     await expect(getCurrentAuthScopes()).resolves.toBeNull();
   });
 
-  test("preserves a 401 from an invalid bearer", async () => {
-    const error = new Error("401 Unauthorized");
-    vi.mocked(apiRequestToRegion).mockImplementationOnce(async () => {
-      throw error;
+  test("reports a 401 from an invalid bearer as an ApiError", async () => {
+    retrieveApiIndexMock.mockResolvedValue({
+      error: { detail: "Invalid token" },
+      response: new Response(null, { status: 401 }),
     });
 
-    let thrown: unknown;
-    try {
-      await getCurrentAuthScopes();
-    } catch (caught) {
-      thrown = caught;
-    }
-    expect(thrown).toBe(error);
+    const thrown = await getCurrentAuthScopes().catch((error) => error);
+    expect(thrown).toBeInstanceOf(ApiError);
+    expect(thrown).toMatchObject({ status: 401 });
   });
 });
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 8c3b6c713..8aa8a981f 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -43,8 +43,8 @@ catalogs:
       specifier: ^1.2.3
       version: 1.2.3
     '@sentry/api':
-      specifier: 1.53.0
-      version: 1.53.0
+      specifier: 1.55.0
+      version: 1.55.0
     '@sentry/cloudflare':
       specifier: 11.6.0
       version: 11.6.0
@@ -513,7 +513,7 @@ importers:
         version: 2.1.5(hono@4.13.13)
       '@sentry/api':
         specifier: 'catalog:'
-        version: 1.53.0(typescript@5.9.3)(valibot@1.4.2(typescript@5.9.3))(zod@4.6.7)
+        version: 1.55.0(typescript@5.9.3)(valibot@1.4.2(typescript@5.9.3))(zod@4.6.7)
       '@sentry/core':
         specifier: 'catalog:'
         version: 11.6.0
@@ -865,7 +865,7 @@ importers:
         version: 2.4.0
       '@sentry/api':
         specifier: 'catalog:'
-        version: 1.53.0(typescript@5.9.3)(valibot@1.4.2(typescript@5.9.3))(zod@4.6.7)
+        version: 1.55.0(typescript@5.9.3)(valibot@1.4.2(typescript@5.9.3))(zod@4.6.7)
       '@sentry/core':
         specifier: 'catalog:'
         version: 11.6.0
@@ -1048,7 +1048,7 @@ importers:
     dependencies:
       '@sentry/api':
         specifier: 'catalog:'
-        version: 1.53.0(typescript@5.9.3)(valibot@1.4.2(typescript@5.9.3))(zod@4.6.7)
+        version: 1.55.0(typescript@5.9.3)(valibot@1.4.2(typescript@5.9.3))(zod@4.6.7)
       '@sentry/search-syntax':
         specifier: 'catalog:'
         version: 1.0.0
@@ -4275,8 +4275,8 @@ packages:
   '@sec-ant/readable-stream@0.4.1':
     resolution: {integrity: sha512-831qok9r2t8AlxLko40y2ebgSDhenenCatLVeW/uBtnHPyhHOvG0C7TvfgecV+wHzIm5KUICgzmVpWS+IMEAeg==}
 
-  '@sentry/api@1.53.0':
-    resolution: {integrity: sha512-xAQ6q/BZSOULvs3BHeRY99sEZkVFdaINRKE6a2s3KIjLRfjK/bniaNv9jKNiLFIHLH0NG+k7kDmdyKhl1+u5mQ==}
+  '@sentry/api@1.55.0':
+    resolution: {integrity: sha512-3gTO9kJrJzWOHUBMn+5snq82acD429v8fSasA7Bw3ThtJk1Q+DM3ePMmw/dpoei80OVhAYxN3e1cdep3g4OF8g==}
     engines: {node: '>=22'}
     peerDependencies:
       typescript: '*'
@@ -12112,7 +12112,7 @@ snapshots:
 
   '@sec-ant/readable-stream@0.4.1': {}
 
-  '@sentry/api@1.53.0(typescript@5.9.3)(valibot@1.4.2(typescript@5.9.3))(zod@4.6.7)':
+  '@sentry/api@1.55.0(typescript@5.9.3)(valibot@1.4.2(typescript@5.9.3))(zod@4.6.7)':
     dependencies:
       http-cache-semantics: 4.2.0
       p-limit: 7.3.3
diff --git a/pnpm-workspace.yaml b/pnpm-workspace.yaml
index 133ce1bd1..88b4007c0 100644
--- a/pnpm-workspace.yaml
+++ b/pnpm-workspace.yaml
@@ -51,7 +51,7 @@ catalog:
   "@modelcontextprotocol/server": 2.4.0
   "@radix-ui/react-accordion": ^1.2.20
   "@radix-ui/react-slot": ^1.2.3
-  "@sentry/api": 1.53.0
+  "@sentry/api": 1.55.0
   "@sentry/cloudflare": 11.6.0
   "@sentry/core": 11.6.0
   "@sentry/node": 11.6.0
@@ -168,7 +168,7 @@ minimumReleaseAgeExclude:
   - "@oxlint/binding-win32-x64-msvc@1.87.0"
   - oxfmt@0.72.0
   - oxlint@1.87.0
-  - "@sentry/api@1.53.0"
+  - "@sentry/api@1.55.0"
   - miniflare@5.20261101.0-beta
   - wrangler@4.156.1
   - "@sentry/symbolic@14.0.0-alpha.5"