Execute Playwright/TypeScript code against the browser

Execute arbitrary Playwright code in a fresh execution context against the browser. The code runs in the same VM as the browser, minimizing latency and maximizing throughput. It has access to ‘page’, ‘context’, and ‘browser’ variables. It can return a value, and this value is returned in the response.

POST /browsers/{id}/playwright/execute

JavaScript

JavaScript

import Kernel from '@onkernel/sdk';

const client = new Kernel({
  apiKey: process.env['KERNEL_API_KEY'], // This is the default and can be omitted
});

const response = await client.browsers.playwright.execute('id', { code: 'code' });

console.log(response.success);

200

{
  "success": true,
  "result": "<unknown>",
  "error": "<string>",
  "stdout": "<string>",
  "stderr": "<string>"
}

Authorizations

Authorization · string · header · required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Path Parameters

id · string · required

Browser session ID

Body

application/json

Request to execute Playwright code

code · string · required

TypeScript/JavaScript code to execute. The code has access to 'page', 'context', and 'browser' variables. It runs within a function, so you can use a return statement at the end to return a value. This value is returned as the result property in the response. Example: "await page.goto('https://example.com'); return await page.title();"

timeout_sec · integer · default: 60

Maximum execution time in seconds. Default is 60.

Required range: 1 <= x <= 300

Response

200

application/json

Code executed successfully

Result of Playwright code execution

success · boolean · required

Whether the code executed successfully

result · any

The value returned by the code (if any)

error · string

Error message if execution failed

stdout · string

Standard output from the execution

stderr · string

Standard error from the execution