API clients
Desktop and web clients for sending HTTP requests and testing an API by hand.
74 results, page 1 of 3
Bruno
An API client that saves collections as plain files in a folder, so Git handles the sharing instead of a cloud account.
Charles
An HTTP and HTTPS debugging proxy that shows all web traffic between a computer and the internet.
curl
Command-line tool for transferring data with URLs, supporting dozens of protocols.
Fiddler Everywhere
A cross-platform web debugging proxy for capturing, inspecting, modifying and replaying HTTP(S) traffic.
Hoppscotch
A fast API client that runs in a browser tab, with a self-hostable workspace if you want one.
Insomnia
An API client for REST, GraphQL and gRPC that can keep everything local or sync through Git instead of a cloud.
Postman
The most widely used API client, for sending HTTP requests, organising them into collections and sharing them with a team.
Swagger UI
Renders an OpenAPI description as interactive, testable documentation.
ain
A terminal HTTP API client that runs requests defined in plain-text template files.
Altair GraphQL Client
A GraphQL client for writing, sending and debugging queries on desktop, in a browser extension and online.
Apidog
An API platform for designing, debugging, mocking and testing APIs, with desktop and web clients.
Apifox
An API platform for designing, debugging, mocking and testing APIs, with desktop and web clients.
Apollo Sandbox
A free web-based GraphQL explorer for writing and running queries against any GraphQL endpoint.
ATAC
A Postman-like API client that runs entirely inside the terminal with keyboard-driven navigation.
Beeceptor
A web service for creating mock API servers and inspecting incoming webhook requests in real time.
curlconverter
A web tool that converts curl commands into equivalent code for dozens of languages and libraries.
curlie
Send HTTP requests with readable syntax built around curl.
EchoAPI
An API client for designing, debugging, load testing and documenting APIs, compatible with Postman scripts.
Evans
An interactive command-line gRPC client with a REPL mode for exploring and calling services.
Firecamp
An open-source API client for testing REST, GraphQL, WebSocket and Socket.IO requests in the browser.
Gatling
A load testing tool for web applications and APIs, with an open-source edition and hosted enterprise platform.
Grafana k6
An open-source command-line load testing tool that runs test scripts written in JavaScript.
grpcui
A command-line tool that opens an interactive browser interface for sending requests to gRPC servers.
grpcurl
Call gRPC services from the terminal using JSON input.
Hookdeck Console
A free web tool for receiving, inspecting, replaying and saving webhook and HTTP request events.
HTTP Toolkit
An open-source desktop tool for intercepting, inspecting and rewriting HTTP and HTTPS traffic.
HTTPie
Human-friendly command line HTTP client with colourised output.
httpYac
A command-line and VS Code client for sending HTTP, GraphQL, SOAP and gRPC requests from files.
Hurl
Write HTTP requests and response checks in plain text files.
json-server
A command-line tool that turns a JSON file into a fake REST API for prototyping.
