diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 6e417e5c..e284d59a 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "4.60.0"
+  ".": "4.61.0"
 }
diff --git a/.stats.yml b/.stats.yml
index fb35dc35..1847c9b0 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,2 +1,2 @@
 configured_endpoints: 103
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/orb%2Forb-097aa5c0e1408d7bd31c15caded400b84f45c0296aebdf67a1dc1a4013f371dd.yml
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/orb%2Forb-26c7b0375aaf9218b32f9af29242d38e67a8318f3ae3e8cc5d1cd86c60e89e51.yml
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 906c762f..90f991be 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 4.61.0 (2025-02-21)
+
+Full Changelog: [v4.60.0...v4.61.0](https://github.com/orbcorp/orb-node/compare/v4.60.0...v4.61.0)
+
+### Features
+
+* **api:** api update ([#522](https://github.com/orbcorp/orb-node/issues/522)) ([6a70c35](https://github.com/orbcorp/orb-node/commit/6a70c35253e3eb69a12a9c9b0397724d0f2db390))
+
 ## 4.60.0 (2025-02-21)
 
 Full Changelog: [v4.59.0...v4.60.0](https://github.com/orbcorp/orb-node/compare/v4.59.0...v4.60.0)
diff --git a/package.json b/package.json
index fec19127..07329c4f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "orb-billing",
-  "version": "4.60.0",
+  "version": "4.61.0",
   "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/credits/top-ups.ts b/src/resources/customers/credits/top-ups.ts
index b7365d2d..389c9c74 100644
--- a/src/resources/customers/credits/top-ups.ts
+++ b/src/resources/customers/credits/top-ups.ts
@@ -445,6 +445,12 @@ export interface TopUpCreateParams {
    */
   threshold: string;
 
+  /**
+   * The date from which the top-up is active. If unspecified, the top-up is active
+   * immediately.
+   */
+  active_from?: string | null;
+
   /**
    * The number of days or months after which the top-up expires. If unspecified, it
    * does not expire.
@@ -518,6 +524,12 @@ export interface TopUpCreateByExternalIDParams {
    */
   threshold: string;
 
+  /**
+   * The date from which the top-up is active. If unspecified, the top-up is active
+   * immediately.
+   */
+  active_from?: string | null;
+
   /**
    * The number of days or months after which the top-up expires. If unspecified, it
    * does not expire.
diff --git a/src/resources/invoices.ts b/src/resources/invoices.ts
index 08c914dc..95474a8b 100644
--- a/src/resources/invoices.ts
+++ b/src/resources/invoices.ts
@@ -130,6 +130,10 @@ export class Invoices extends APIResource {
    * due, the customer balance operation will be reverted. For example, if the
    * invoice used $10 of customer balance, that amount will be added back to the
    * customer balance upon voiding.
+   *
+   * If the invoice was used to purchase a credit block, but the invoice is not yet
+   * paid, the credit block will be voided. If the invoice was created due to a
+   * top-up, the top-up will be disabled.
    */
   void(invoiceId: string, options?: Core.RequestOptions): Core.APIPromise<Invoice> {
     return this._client.post(`/invoices/${invoiceId}/void`, options);
diff --git a/src/version.ts b/src/version.ts
index 30c6fccf..15056557 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '4.60.0'; // x-release-please-version
+export const VERSION = '4.61.0'; // x-release-please-version
diff --git a/tests/api-resources/customers/credits/top-ups.test.ts b/tests/api-resources/customers/credits/top-ups.test.ts
index fed7269a..fc94fd85 100644
--- a/tests/api-resources/customers/credits/top-ups.test.ts
+++ b/tests/api-resources/customers/credits/top-ups.test.ts
@@ -38,6 +38,7 @@ describe('resource topUps', () => {
       },
       per_unit_cost_basis: 'per_unit_cost_basis',
       threshold: 'threshold',
+      active_from: '2019-12-27T18:11:19.117Z',
       expires_after: 0,
       expires_after_unit: 'day',
     });
@@ -121,6 +122,7 @@ describe('resource topUps', () => {
       },
       per_unit_cost_basis: 'per_unit_cost_basis',
       threshold: 'threshold',
+      active_from: '2019-12-27T18:11:19.117Z',
       expires_after: 0,
       expires_after_unit: 'day',
     });