Thunder Client

Hand-crafted lightweight Rest Client for testing APIs. Supports collections, environments, git collaboration and local storage.

Similar Tools

Requestly is an open-source tool that simplifies API development, testing, mocking, and integration for developers and QAs.
Mockoon is the easiest and quickest way to design and run mock REST APIs.
Built for developers and testers alike, SoapUI is the only open source tool that covers the entire testing spectrum (functional, security, load, mocking).
Fully integrated API and web service testing capabilities that automate end-to-end functional API testing.
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.
ReadyAPI is a low-code API testing platform for development teams that care about creating test automation across any workflow.
Subscribe to our newsletter