APIs & Tools

API development and testing

Postman

API platform for building and using APIs

Postman is an API platform for building and using APIs, simplifying each step of the API lifecycle.

Design and test APIs

Insomnia is a powerful REST API client with cookie management, environment variables, code generation, and authentication.

API development tools for OpenAPI specification

Swagger is a suite of tools for API developers, including Swagger Editor, Swagger UI, and Swagger Codegen.

Discover and connect to thousands of APIs

RapidAPI is the world's largest API marketplace with over 40,000 APIs for developers to find, test, and connect.

Open-source API development ecosystem

Hoppscotch is a lightweight, web-based API development suite with a beautiful interface.

The most advanced API tool for Mac

Paw is a full-featured HTTP client for Mac that lets you test and describe the APIs you build or consume.