RapidAPI for Mac is a full-featured HTTP client that lets you test and describe the APIs you build or consume. It has a beautiful native macOS interface to compose requests, inspect server responses, generate client code and export API definitions.

Fully integrated API and web service testing capabilities that automate end-to-end functional API testing.

Simulate APIs, integrations, and environments at enterprise scale.

WebLOAD – Performance and Load Testing for the Most Challenging Web Applications

Don’t just observe. Take action. The only app monitoring platform built for developers that gets to the root cause for every issue.

Postman is an API platform for building and using APIs. Postman simplifies each step of the API lifecycle and streamlines collaboration so you can create better APIs—faster.