Apps similar to JSON API Tester include Postman, which has a free version. Other options are Insomnia REST Client, Hoppscotch, Vayu API Client and Telegraph REST API Client. In total there are five API Clients like JSON API Tester for Mac, Windows, Linux, the web and Chrome OS.
Postman is a collaborative platform for API development that provides extensive tools for designing, testing, and documenting APIs. It allows API verification through requests, automated testing via Collection Runner, and offers both free and paid plans, catering to individuals and teams.
United States
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
Build REST and GraphQL requests, then load-test identical endpoints locally with a native C++ engine. Import Postman, Insomnia, and OpenAPI data; use layered environments, pm.* scripts, CSV or JSON runs, SSE, mock servers, and an MCP server for coding agents.
India
Lightweight, free and open-source offline REST and GraphQL API client for Visual Studio Code. A privacy-focused client for testing APIs, HTTP requests and web services.
India
