REST Client for VS Code has been discontinued. Similar apps include Postman, which has a free version. Other options are Insomnia REST Client, Hoppscotch, HTTP Toolkit and ApiArk. There's no shortage of API Clients like REST Client for VS Code, with more than 25 alternatives for Windows, Mac, Linux, the web and Chrome OS.
Bearer is a developer tool that helps engineering teams monitor API requests, track performance, detect anomalies, and fix issues for their critical API usage. The solution monitors all outgoing API requests without proxying traffic.
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Free, privacy-first API client built natively into VS Code. Test REST, GraphQL & WebSocket APIs locally — no login, no cloud sync, no telemetry.
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FRequest is a fast, lightweight and opensource Windows / macOS / Linux desktop program to make HTTP(s) requests (e.g. call REST apis).
Powerful IDE to work with API. Harness the power of scenarios, autocompletion and syntax highlight for API development. Write tests, share code without leaving the comfortable development environment.
United States
RequesterX is a free desktop HTTP client for API testing and development. Organize requests into nested collections, use environment variables for easy context switching, generate code snippets in 13 languages, and keep everything stored locally — no account required.
South Korea
Routebase keeps your API's design, docs, mock servers, contract tests and monitoring in one living OpenAPI spec so they can't drift apart.
API integration platform for testing, prototyping, and running of any API flow. The right tool for successful API flow integration - nice, easy, simple, and cheap.
United Kingdom
Ain is a command-line HTTP API client. It's an alternative to postman, paw or insomnia. It enables scripting of input and further processing of output. It targets command-line users who work with API:s using a simple file format.
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