REST API client library for .NET

HyperTest is a no-code test automation tool that regresses all your APIs by auto-generating integration tests using your network traffic, also giving a way to reproduce these failures inside actual user-journeys.

Mockoon is the easiest and quickest way to design and run mock REST APIs.

Professional software tool for HTTP testing and debugging

Simulate APIs, integrations, and environments at enterprise scale.

Jest is a delightful JavaScript Testing Framework with a focus on simplicity.