xh is a friendly and fast tool for sending HTTP requests. It reimplements as much as possible of HTTPie's excellent design, with a focus on improved performance.

Yaak is described as 'The API client for modern developers. Call REST, GraphQL, and gRPC APIs from a simple and intuitive app' and is a API Client in the development category. There are more than 50 alternatives to Yaak for a variety of platforms, including Mac, Windows, Linux, Web-based and Flathub apps. The best Yaak alternative is Bruno, which is both free and Open Source. Other great apps like Yaak are Postman, Insomnia REST Client, Hoppscotch and ApiArk.
xh is a friendly and fast tool for sending HTTP requests. It reimplements as much as possible of HTTPie's excellent design, with a focus on improved performance.

Cartero is a graphical HTTP client that can be used as a developer tool to test web APIs and perform all kind of HTTP requests to web servers. It is compatible with any REST, SOAP or XML-RPC API and it supports multiple request methods as well as attaching body payloads to...

A free, open-source Postman-style API tester you run locally. Record browser requests, auto-generate chained tests, and ship them straight to your CI—no sign-ups, no cloud, just code.


API testing tool. Which allows web developers to create and test custom HTTP requests.



RecipeUI is rethinking how we use API tools like Postman or Insomnia. We're starting off with TypeScript powered API requests and API collections you can run in seconds!

The API Astrolab enables today’s API-first companies to show their API products in a visual way so that anyone can understand how they work.



Practical and easy-to-use software tool for testing HTTP applications and services.








Hurl is a command line tool that runs HTTP requests defined in a simple plain text format. It can capture values, evaluate queries on headers and body response. It is very versatile: it can be used for both fetching data and testing HTTP sessions.



Upcoming API testing tool in beta, built in GoLang, supporting HTTP/gRPC, workspaces, environments, request management, and various content types. Features include dark mode, local data storage, Postman import, environment variable setting, and request chaining.




Stoplight is an API Design, Development, and Documentation platform that enables consistency, reusability, and quality, all with an easy, enjoyable developer experience.

Treblle is a federated API Intelligence platform delivering full API visibility, security, and control from one integration point.


