diff --git a/Cargo.lock b/Cargo.lock
index a5dd75ca..f3279e67 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -717,7 +717,7 @@ checksum = "955d28af4278de8121b7ebeb796b6a45735dc01436d898801014aced2773a3d6"
 
 [[package]]
 name = "sentry_protos"
-version = "0.109.0"
+version = "0.110.0"
 dependencies = [
  "prost",
  "prost-types",
diff --git a/proto/sentry_protos/billing/v1/services/seer_feature_billing/v1/endpoint_auto_top_up_seer_wallet.proto b/proto/sentry_protos/billing/v1/services/seer_feature_billing/v1/endpoint_auto_top_up_seer_wallet.proto
index 53626a98..488f5a8b 100644
--- a/proto/sentry_protos/billing/v1/services/seer_feature_billing/v1/endpoint_auto_top_up_seer_wallet.proto
+++ b/proto/sentry_protos/billing/v1/services/seer_feature_billing/v1/endpoint_auto_top_up_seer_wallet.proto
@@ -3,6 +3,7 @@ syntax = "proto3";
 package sentry_protos.billing.v1.services.seer_feature_billing.v1;
 
 import "google/protobuf/timestamp.proto";
+import "sentry_protos/billing/v1/common/v1/stripe_verification.proto";
 
 // Buys the organization's configured top-up when its Seer wallet balance is
 // below the auto top-up threshold. Safe to repeat: calls with a current_ts in
@@ -33,4 +34,11 @@ message AutoTopUpSeerWalletResponse {
   // Whether the top-up invoice was paid. Only meaningful when outcome is
   // OUTCOME_BILLED.
   bool paid = 3;
+  // Set when Stripe could not complete the top-up charge.
+  string failure_code = 4;
+  // Set when the customer must complete a 3D Secure challenge.
+  optional sentry_protos.billing.v1.common.v1.StripeVerification verification = 5;
+  // Set when outcome is OUTCOME_BILLED. The browser uses this to confirm a
+  // completed 3D Secure challenge with the payment endpoint.
+  optional string invoice_guid = 6;
 }
diff --git a/proto/sentry_protos/billing/v1/services/seer_feature_billing/v1/endpoint_configure_seer_wallet_auto_top_up.proto b/proto/sentry_protos/billing/v1/services/seer_feature_billing/v1/endpoint_configure_seer_wallet_auto_top_up.proto
new file mode 100644
index 00000000..45340de4
--- /dev/null
+++ b/proto/sentry_protos/billing/v1/services/seer_feature_billing/v1/endpoint_configure_seer_wallet_auto_top_up.proto
@@ -0,0 +1,22 @@
+syntax = "proto3";
+
+package sentry_protos.billing.v1.services.seer_feature_billing.v1;
+
+import "sentry_protos/billing/v1/services/seer_feature_billing/v1/endpoint_auto_top_up_seer_wallet.proto";
+import "sentry_protos/billing/v1/services/seer_wallet_config/v1/seer_wallet_config.proto";
+
+// Replaces an organization's Seer wallet settings. When the request turns
+// auto top-up on, the response includes the synchronous top-up check.
+message ConfigureSeerWalletAutoTopUpRequest {
+  uint64 organization_id = 1;
+  sentry_protos.billing.v1.services.seer_wallet_config.v1.AutoTopUpConfig auto_top_up = 2;
+  sentry_protos.billing.v1.services.seer_wallet_config.v1.SpendConfig spend = 3;
+}
+
+message ConfigureSeerWalletAutoTopUpResponse {
+  // Unset when the organization had not previously saved wallet settings.
+  optional sentry_protos.billing.v1.services.seer_wallet_config.v1.SeerWalletConfig previous_config = 1;
+  sentry_protos.billing.v1.services.seer_wallet_config.v1.SeerWalletConfig config = 2;
+  // Set only when this request turns auto top-up on.
+  optional AutoTopUpSeerWalletResponse synchronous_top_up = 3;
+}
diff --git a/rust/src/sentry_protos.billing.v1.services.seer_feature_billing.v1.rs b/rust/src/sentry_protos.billing.v1.services.seer_feature_billing.v1.rs
index 8f1efde9..eb077d97 100644
--- a/rust/src/sentry_protos.billing.v1.services.seer_feature_billing.v1.rs
+++ b/rust/src/sentry_protos.billing.v1.services.seer_feature_billing.v1.rs
@@ -9,7 +9,7 @@ pub struct AutoTopUpSeerWalletRequest {
     #[prost(message, optional, tag = "2")]
     pub current_ts: ::core::option::Option<::prost_types::Timestamp>,
 }
-#[derive(Clone, Copy, PartialEq, Eq, Hash, ::prost::Message)]
+#[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)]
 pub struct AutoTopUpSeerWalletResponse {
     #[prost(enumeration = "auto_top_up_seer_wallet_response::Outcome", tag = "1")]
     pub outcome: i32,
@@ -20,6 +20,18 @@ pub struct AutoTopUpSeerWalletResponse {
     /// OUTCOME_BILLED.
     #[prost(bool, tag = "3")]
     pub paid: bool,
+    /// Set when Stripe could not complete the top-up charge.
+    #[prost(string, tag = "4")]
+    pub failure_code: ::prost::alloc::string::String,
+    /// Set when the customer must complete a 3D Secure challenge.
+    #[prost(message, optional, tag = "5")]
+    pub verification: ::core::option::Option<
+        super::super::super::common::v1::StripeVerification,
+    >,
+    /// Set when outcome is OUTCOME_BILLED. The browser uses this to confirm a
+    /// completed 3D Secure challenge with the payment endpoint.
+    #[prost(string, optional, tag = "6")]
+    pub invoice_guid: ::core::option::Option<::prost::alloc::string::String>,
 }
 /// Nested message and enum types in `AutoTopUpSeerWalletResponse`.
 pub mod auto_top_up_seer_wallet_response {
@@ -99,6 +111,34 @@ pub struct CheckSeerCreditsResponse {
     #[prost(string, optional, tag = "2")]
     pub lease_id: ::core::option::Option<::prost::alloc::string::String>,
 }
+/// Replaces an organization's Seer wallet settings. When the request turns
+/// auto top-up on, the response includes the synchronous top-up check.
+#[derive(Clone, Copy, PartialEq, Eq, Hash, ::prost::Message)]
+pub struct ConfigureSeerWalletAutoTopUpRequest {
+    #[prost(uint64, tag = "1")]
+    pub organization_id: u64,
+    #[prost(message, optional, tag = "2")]
+    pub auto_top_up: ::core::option::Option<
+        super::super::seer_wallet_config::v1::AutoTopUpConfig,
+    >,
+    #[prost(message, optional, tag = "3")]
+    pub spend: ::core::option::Option<super::super::seer_wallet_config::v1::SpendConfig>,
+}
+#[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)]
+pub struct ConfigureSeerWalletAutoTopUpResponse {
+    /// Unset when the organization had not previously saved wallet settings.
+    #[prost(message, optional, tag = "1")]
+    pub previous_config: ::core::option::Option<
+        super::super::seer_wallet_config::v1::SeerWalletConfig,
+    >,
+    #[prost(message, optional, tag = "2")]
+    pub config: ::core::option::Option<
+        super::super::seer_wallet_config::v1::SeerWalletConfig,
+    >,
+    /// Set only when this request turns auto top-up on.
+    #[prost(message, optional, tag = "3")]
+    pub synchronous_top_up: ::core::option::Option<AutoTopUpSeerWalletResponse>,
+}
 #[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)]
 pub struct GetIsFreeSeerFeatureRequest {
     /// A Seer feature string, as recorded in LLM proxy cost data.