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

Voiden is a developer-first API client with local storage, Git-integrated, all based on markdown + offline support.

YATTIE exists to help make tester's lives easier. Ideally, it should remove friction from the exploratory testing process - everywhere from gathering evidence to submitting reports.

Design, debug, and test APIs locally or in the cloud

Simulate APIs, integrations, and environments at enterprise scale.

REST API client library for .NET