Best AI Tools for Developers (2026)

Mock API and testing

  • apismaker — create mock APIs for testing. Import JSON, Excel, CSV. No code. 60 seconds.
  • Mockoon — open-source desktop app for local API simulation.
  • Postman — API testing and mock server feature.

If you are developing a frontend and need a backend API, you can simulate one using apismaker.

Create mock API with apismaker