diff --git a/src/common/FrameManager.ts b/src/common/FrameManager.ts
index c2639a956d3be..2b5aa7ddd5670 100644
--- a/src/common/FrameManager.ts
+++ b/src/common/FrameManager.ts
@@ -702,6 +702,11 @@ export class Frame {
     );
   }
 
+  /**
+   * @remarks
+   *
+   * @returns `true` if the frame is an OOP frame, or `false` otherwise.
+   */
   isOOPFrame(): boolean {
     return this._client !== this._frameManager._client;
   }
@@ -785,6 +790,13 @@ export class Frame {
     return await this._frameManager.waitForFrameNavigation(this, options);
   }
 
+  /**
+   * @internal
+   */
+  client(): CDPSession {
+    return this._client;
+  }
+
   /**
    * @returns a promise that resolves to the frame's default execution context.
    */
diff --git a/test/frame.spec.ts b/test/frame.spec.ts
index 29ae553a32392..45d19279b2c0e 100644
--- a/test/frame.spec.ts
+++ b/test/frame.spec.ts
@@ -22,6 +22,7 @@ import {
   setupTestPageAndContextHooks,
   itFailsFirefox,
 } from './mocha-utils'; // eslint-disable-line import/extensions
+import { CDPSession } from '../lib/cjs/puppeteer/common/Connection.js';
 
 describe('Frame specs', function () {
   setupTestBrowserHooks();
@@ -278,4 +279,11 @@ describe('Frame specs', function () {
       );
     });
   });
+
+  describe('Frame.client', function () {
+    it('should return the client instance', async () => {
+      const { page } = getTestState();
+      expect(page.mainFrame().client()).toBeInstanceOf(CDPSession);
+    });
+  });
 });
diff --git a/utils/doclint/check_public_api/index.js b/utils/doclint/check_public_api/index.js
index f1de72b2a011e..6ff6df38c5fca 100644
--- a/utils/doclint/check_public_api/index.js
+++ b/utils/doclint/check_public_api/index.js
@@ -24,6 +24,7 @@ const {
 
 const EXCLUDE_PROPERTIES = new Set([
   'Browser.create',
+  'Frame.client',
   'Headers.fromPayload',
   'Page.client',
   'Page.create',