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Mechanical Turk Developer Sandbox

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Developer Sandbox

A simulated environment for testing your tasks.

About the Sandbox

The Mechanical Turk Developer Sandbox is a simulated environment that lets you test your applications and tasks prior to publication in the marketplace.


  • Free to use for registered Mechanical Turk requesters. Fees will not be withdrawn and payments are not made to Worker accounts.
  • Has functional parity with the production website.
  • Requires only a URL change to configure your application to work against the developer sandbox or the production website.

Get Started

To access the sandbox, you will need a Mechanical Turk Requester account and, in order to access the sandbox programmatically, you will need an Amazon Web Services (AWS) account.

Requester Sandbox

Requester Site Sandbox

You can create test tasks in the Requester Sandbox to make sure your design or application works.

Visit the Requester Sandbox »

Worker Site Sandbox

You can view tasks created in the Requester Sandbox to see how they will appear to Workers.

Visit the Worker Sandbox »

Sandbox FAQs

How do I use the MTurk Developer Sandbox?

How do I configure my application to use the MTurk Developer Sandbox?

What features of MTurk are not supported in the MTurk Developer Sandbox?

What are the guidelines and policies for the MTurk Developer Sandbox?

Developer Forum

Have a question about the Application Program Interface (API) or Command Line Tools (CLTs)? Post your questions and comments in the developer forum.

Visit the Developer Forum »