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Code Playground API

Sandboxed TypeScript code execution environment. Run code snippets safely with timeout protection and output capture.

Endpoint

POST/api/run

Execute TypeScript code in a secure sandbox with a 5-second timeout.

Request Body

codestring (required)TypeScript code to execute. Max 1000 characters.
timeoutnumber (optional)Custom timeout in ms (default: 5000, max: 5000)

Response Schema

outputstringCaptured stdout from code execution
errorstring | nullError message if execution failed
executionTimenumber (ms)How long the code took to execute
timedOutbooleanWhether execution was terminated due to timeout

🧪 Try It Live

Write TypeScript code and execute it on our Bun-powered server.

Output:

// Output will appear here...

🔒 Security: Code runs in a sandboxed environment. The following APIs are blocked:

fetch require import eval Function process Bun.file Bun.write

Example Request

curl -X POST https://beanola.com/api/run \
  -H "Content-Type: application/json" \
  -d '{"code": "console.log(\"Hello!\")"}'

Example Response

{
  "output": "Hello!\n",
  "error": null,
  "executionTime": 12.5,
  "timedOut": false
}