1. A powerful high-level API description language for web APIs.

  2. Postman is the most efficient way to test, develop and document APIs.

    freemium $8.0 / Monthly (Per user/month billed annually)

  3. Create, publish, maintain, monitor, and secure APIs at any scale

  4. Paw is a REST client for Mac.

  5. Log, monitor and measure your API usage to solve API problems fast.

  6. RAML is a solution that manages an API lifecycle from design to sharing.

  7. The most intuitive cross-platform REST API Client 😴

  8. HTTP proxy / HTTP monitor / Reverse Proxy

  9. StopLight, providing engineering teams with the best way to document, test, and build web APIs.

  10. Intelligent and complete API platform

  11. API Plug enables developers to create their own REST API and backend management software from their...

  12. Cloud based API management platform bsed on the popular open source Tyk API Gateway