diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index ec1ad4ca..167ba814 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "5.64.0"
+  ".": "5.65.0"
 }
diff --git a/.stats.yml b/.stats.yml
index 172f3256..fb56c21a 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 139
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/orb/orb-aa92e5bbd456e6bc527223462c075f4315b7edfde23aae99cb6aa8272b3deae1.yml
-openapi_spec_hash: b234ee2f5a52bacac12c5ed59a56f542
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/orb/orb-5192a1b7cab269d33dbc3c9eb75994d41880eff1694900232b99f4cc30ae5710.yml
+openapi_spec_hash: 1bcfe26f0efab1f1287195a45074fae5
 config_hash: c01c1191b1cd696c7ca855ff6d28a8df
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7b23419b..6170346a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 5.65.0 (2026-05-27)
+
+Full Changelog: [v5.64.0...v5.65.0](https://github.com/orbcorp/orb-node/compare/v5.64.0...v5.65.0)
+
+### Features
+
+* **api:** api update ([169b669](https://github.com/orbcorp/orb-node/commit/169b66938b92429911190a815fb31e828d15cf1b))
+
 ## 5.64.0 (2026-05-26)
 
 Full Changelog: [v5.63.0...v5.64.0](https://github.com/orbcorp/orb-node/compare/v5.63.0...v5.64.0)
diff --git a/package.json b/package.json
index 11d9da1d..98e7f101 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "orb-billing",
-  "version": "5.64.0",
+  "version": "5.65.0",
   "description": "The official TypeScript library for the Orb API",
   "author": "Orb <team@withorb.com>",
   "types": "dist/index.d.ts",
diff --git a/src/resources/customers/customers.ts b/src/resources/customers/customers.ts
index c3688a48..a818336e 100644
--- a/src/resources/customers/customers.ts
+++ b/src/resources/customers/customers.ts
@@ -324,6 +324,12 @@ export interface Customer {
    */
   payment_provider_id: string | null;
 
+  /**
+   * Deprecated. Returns the URL of the most recent non-expired portal link, or null.
+   * When the account has opted into customer portal sessions, this field always
+   * returns null. Use POST /v1/customers/{id}/portal_sessions to mint short-lived
+   * portal session URLs.
+   */
   portal_url: string | null;
 
   shipping_address: Shared.Address | null;
diff --git a/src/version.ts b/src/version.ts
index 081d75d7..b3204229 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '5.64.0'; // x-release-please-version
+export const VERSION = '5.65.0'; // x-release-please-version