awesome-api-clients

( ) - Offline-first web HTTP client

( ) - Open source API development ecosystem

( ) - Open Source Postman Alternative inspired by VS Code DX

( ) - RecipeUI is the Postman alternative with type safety built in

gRPC UI

An interactive web UI for gRPC, along the lines of postman

( ) - Yaade is an open-source, self-hosted, collaborative API development environment

( ) - A text-based in-browser HTTP client, an interface-less Postman alternative

( ) - Opensource IDE For Exploring and Testing APIs

( ) - The most intuitive desktop API client

API Dash

API Dash is a beautiful open-source cross-platform API Client

( ) - GUI client for gRPC/gRPC-Web

BloomRPC

(unmaintained) The missing GUI Client for gRPC services

Milkman

An Extensible Request/Response Workbench

Insomnium

(unmaintained) Insomnium is a 100% local and privacy-focus open-source API client (based on Insomnia)

( ) - A HTTP inspection tool with support for HTTP/2 and HTTP/3, an alternative to Postman

( ) - A modern, open-source, resource-efficient REST API client for Windows

( ) - Send HTTP request and view the response in Visual Studio Code

A Firefox debugger for RESTful web services

restclient.el

HTTP REST client tool for emacs

verb

Organize and send HTTP requests from Emacs

rest.nvim

A fast Neovim http client written in Lua

kulala.nvim

A minimal REST-Client Interface for Neovim

( ) - Command line tool and library for transferring data with URLs (since 1998)

( ) - HTTPie CLI: human-friendly HTTP client for the API era

grpcurl

Like cURL, but for gRPC: Command-line tool for interacting with gRPC servers

xh

Friendly and fast tool for sending HTTP requests

posting

The modern API client that lives in your terminal

curlie

The power of curl, the ease of use of httpie

HttpRepl

Lightweight, cross-platform command-line tool that's supported everywhere .NET Core is supported

ain

A HTTP API client for the terminal, uses curl, wget or httpie to make the actual calls

evans

Evans: more expressive universal gRPC client

( ) - Yet another REST client to send REST, SOAP, GraphQL and gRPC requests

( ) - A simple postman like API client for terminal

( ) - Open-source API Test Automation framework

( ) - Hurl, run and test HTTP requests with plain text

( ) - Test Automation Made Simple

( ) - Automated RESTful API testing

Venom

Manage and run your integration tests with efficiency

pyresttest

Python Rest Testing

runn

runn is a package/tool for running operations following a scenario

scenarigo

An end-to-end scenario testing tool for HTTP/gRPC server

( ) - Specification-centric API testing tool for Open API and GraphQL-based applications

Dredd

Language-agnostic HTTP API Testing Tool

abao

REST API automated testing tool based on RAML

( )

( ) - A modern load testing tool, using Go and JavaScript

( ) - Load testing at cloud-scale