HTTP Clients Page 2 of 3

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.

A HTTP inspection tool with support for HTTP/2 and HTTP/3. Alternative to Postman.

Milkman is a JavaFx-based workbench for crafting requests / responses. It is not limited to e.g. http (or more specifically rest) requests but can be extended in any imaginable way. It is optimized for fast startup and efficient workflow.

Used httpyac CLI tool underneath, which helps you execute _.http and _.rest files. This can be used to quickly execute a single *.http file, but also to execute all files in a folder. httpyac supports HTTP, Rest, GraphQL, WebSocket und gRPC...

The modern API client that lives in your terminal.

The Zero Trust API Client - A Secure & Free Alternative to Postman , Insomnia & Thunder Client.

This is a tool to manually explore and test HTTP REST webservices. Runs queries from a plain-text query sheet, displays results as a pretty-printed XML, JSON and even images.

All the user-friendliness of our Terminal version, now wrapped up in a sleek graphical interface.

Firecamp's GraphQL playground is all in one GraphQL debugging tool which let you debug, collaborate and document your GraphQL APIs within a team for all platform.

Httpiness is aimed to be a simple, straightforward HTTP client which minimizes time to configure, send, reconfigure and resend requests in order to maximize development efficiency.

kurly is a tool to transfer data from a HTTP(S) server, similar to curl.

RESTClient can be used to test variety of HTTP communications and RESTful webservices. Friendly GUI, rich functionalities.

A REST client for almost any web service (Firefox and Chrome extension).

Working quietly on the Menubar, Surge is a high-performance HTTP/SOCKS5 proxy server. It is capable of intercepting and logging the summary of HTTP traffic, and meanwhile transmitting the traffic to other proxy servers according to the flexible rule system.

Design and debug APIs in a powerful visual editor. Describe and debug easily with JSON Schema support. Apidog is a complete set of tools that connects the entire API lifecycle, helping R&D teams implement best practices for API Design-first development.

If you like the interface of HTTPie but miss the features of curl, curlie is what you are searching for. Curlie is a frontend to curl that adds the ease of use of httpie, without compromising on features and performance.

HTTP client plugin for Sublime Text with an expansive feature set, modern UX, elegant syntax and first class support for testing.

API Test Base is a free tool for integration testing a variety of APIs. It is suitable for Integration, ESB and Microservices testing.

Lama2 defines the human-friendly l2 syntax and CLI for describing and executing APIs. Store your APIs in plain-text files. Collaborate with team using version control (say, git). Run Lama2 directly from VSCode extension. Think of Lama2 as Markdown for APIs.

A modern, resource-friendly REST client for Windows.

FRequest is a fast, lightweight and opensource Windows / macOS / Linux desktop program to make HTTP(s) requests (e.g. call REST apis).

Gotcha HTTP Client is a lightweight http client that allows you to make requests and inspect responses.

Api Quest is a desktop application designed for executing HTTP requests, storing them on the local file system, and providing portability. Whether you're a developer, QA or system engineer, this tool offers solution for handling HTTP requests effectively.

A free open source, native Apple OS X app for testing HTTP/REST endpoints.

browser web-extension to test and analyze HTTP requests.