Hoppscotch is an open-source API development ecosystem that helps you create and test your API requests saving precious time in development.

Status, performance and uptime monitoring for cron jobs, websites, APIs and more.

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

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.

Bruno is a Fast and Git-Friendly Opensource API client, aimed at revolutionizing the status quo represented by Postman, Insomnia and similar tools out there.

Testing and validating REST services in Java is harder than in dynamic languages such as Ruby and Groovy. REST Assured brings the simplicity of using these languages into the Java domain.