The best API Client alternative to HTTP Toolkit is Insomnia REST Client, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to HTTP Toolkit and many of them are API Clients so hopefully you can find a suitable replacement. Other interesting API Client alternatives to HTTP Toolkit are Hoppscotch, RapidAPI for Mac, Advanced REST Client and Requestly.
A powerful REST API Client with cookie management, environment variables, code generation, and authentication for Mac, Window, and Linux.
United States
Hoppscotch is an open-source API development ecosystem. It helps you create your requests faster, saving you precious time on your development.
United States
RapidAPI for Mac (formerly Paw) 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.
United States
API testing tool. Which allows web developers to create and test custom HTTP requests.
Poland
EU
Requestly is a lightweight proxy available as a browser extension & desktop app to intercept & modify network requests. Using Requestly you can Modify Headers, Redirect Url, Mock API response, Delay/Throttle requests, etc.
United States
Thunder Client is a hand-crafted lightweight Http Client extension for Visual Studio Code. No separate download needed, Just install the extension from VS Code marketplace.
The Zero Trust API Client - A Secure & Free Alternative to Postman , Insomnia & Thunder Client.
United States
Humlix shows you an easy way of generating tests for your web APIs. All you need to do is create a test request using the test request builder within Humlix and give an example of how your endpoints look and what type of data they want.
API Tester is the first mobile app to test any type of API on the go. Test REST, GraphQL, WebSocket, SOAP, JSON RPC, XML, HTTP, and HTTPS APIs completely for free, on iOS or Android.
