guzzle / guzzle

Guzzle, an extensible PHP HTTP client

axios / axios

Promise based HTTP client for the browser and node.js

hoppscotch / hoppscotch

Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

usebruno / bruno

Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)

Kong / insomnia

The open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.

mountain-loop / yaak

The most intuitive desktop API client. Organize and execute REST, GraphQL, WebSockets, Server Sent Events, and gRPC 🦬

Orange-OpenSource / hurl

Hurl, run and test HTTP requests with plain text.

sindresorhus / ky

🌳 Tiny & elegant JavaScript HTTP client based on the Fetch API

aio-libs / aiohttp

Asynchronous HTTP client/server framework for asyncio and Python

scalar / scalar

Scalar is an open-source API platform:　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　🌐 Modern REST API Client　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　📖 Beautiful API References　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　✨ 1st-Class OpenAPI/Swagger Support

sindresorhus / got

🌐 Human-friendly and powerful HTTP request library for Node.js

seanmonstar / reqwest

An easy and powerful Rust HTTP Client

go-resty / resty

Simple HTTP, REST, and SSE client library for Go

filecxx / FileCentipede

Cross-platform internet upload/download manager for HTTP(S), FTP(S), SSH, magnet-link, BitTorrent, m3u8, ed2k, and online videos. WebDAV client, FTP client, SSH client.

OpenFeign / feign

Feign makes writing java http clients easier

pocoproject / poco

The POCO C++ Libraries are powerful cross-platform C++ libraries for building network- and internet-based applications that run on desktop, server, mobile, IoT, and embedded systems.

ducaale / xh

Friendly and fast tool for sending HTTP requests

ithewei / libhv

🔥 比libevent/libuv/asio更易用的网络库。A c/c++ network library for developing TCP/UDP/SSL/HTTP/WebSocket/MQTT/Redis client/server.

massCodeIO / massCode

A free, open-source developer workspace. Snippets, notes, HTTP requests, calculations, and dev tools in one local-first app.

lexiforest / curl_cffi

Python binding for curl-impersonate fork via cffi. A http client that can impersonate browser tls/ja3/http2 fingerprints.

AsyncHttpClient / async-http-client

Asynchronous, non-blocking HTTP & WebSocket client for the JVM

line / armeria

Your go-to microservice framework for any situation, from the creator of Netty et al. You can build any type of microservice leveraging your favorite technologies, including gRPC, Thrift, Kotlin, Retrofit, Reactive Streams, Spring Boot and Dropwizard.

boostorg / beast

HTTP and WebSocket built on Boost.Asio in C++11

kittinunf / fuel

The easiest HTTP networking library for Kotlin/Android

ChuckerTeam / chucker

🔎 An HTTP inspector for Android & OkHTTP (like Charles but on device)

jetty / jetty.project

Eclipse Jetty® - Web Container & Clients - supports HTTP/3, HTTP/2, HTTP/1, websocket, servlets, and more

urllib3 / urllib3

urllib3 is a user-friendly HTTP client library for Python

slackapi / python-slack-sdk

Slack Developer Kit for Python

WordPress / Requests

Requests for PHP is a humble HTTP request library. It simplifies how you interact with other sites and takes away all your worries.

php-curl-class / php-curl-class

PHP Curl Class makes it easy to send HTTP requests and integrate with web APIs

acl-dev / acl

C/C++ server and network library, including coroutine,redis client,http/https/websocket,mqtt, mysql/postgresql/sqlite client with C/C++ for Linux, Android, iOS, MacOS, Windows, Harmony,etc..

httprb / http

HTTP (The Gem! a.k.a. http.rb) - a fast Ruby HTTP client with a chainable API, streaming support, and timeouts

userver-framework / userver

Production-ready C++ Asynchronous Framework with rich functionality

foss42 / apidash

API Dash is a beautiful AI-powered open-source cross-platform (Desktop & Mobile) API Client built using Flutter which can help you easily create & customize your HTTP & GraphQL API requests, visually inspect responses and generate API integration code. A lightweight alternative to postman/insomnia.

http4k / http4k

The Functional toolkit for Kotlin HTTP applications. http4k provides a simple and uniform way to serve, consume, and test HTTP services.

flawiddsouza / Restfox

Offline-First Minimalistic HTTP & Socket Testing Client for the Web & Desktop

dannagle / PacketSender

Network utility for sending / receiving TCP, UDP, SSL, HTTP

http4s / http4s

A minimal, idiomatic Scala interface for HTTP

TommyLemon / APIAuto

☔ 敏捷开发最强大易用的接口工具，机器学习零代码测试与 AI 问答、生成代码与静态检查、生成文档与光标悬浮注释，腾讯、华为、SHEIN、传音、工行等使用 ☔ The most advanced tool for HTTP API. Machine learning no-code testing and AI assistant, generating codes and static analysis, generating comments and floating hints. Used by Tencent, Huawei, SHEIN, TRANSSION, ICBC, etc.

Foso / Ktorfit

HTTP client generator / KSP plugin for Kotlin Multiplatform (Android, iOS, Js, Jvm, Native, WasmJs)) using KSP and Ktor clients inspired by Retrofit https://foso.github.io/Ktorfit

elixir-tesla / tesla

The flexible HTTP client library for Elixir, with support for middleware and multiple adapters.

symfony / http-client

Provides powerful methods to fetch HTTP resources synchronously or asynchronously

unkn0wn-root / resterm

Terminal API client for HTTP, GraphQL, gRPC, WebSocket and SSE. Plain .http files you can diff and version, with scripted tests, workflows, mocks, recorder, and a CLI runner for CI.

symfony / http-client-contracts

Generic abstractions related to HTTP clients

VoidenHQ / voiden

Design, Test and Document APIs in plain Markdown. Compose Requests with API blocks. Reuse, Replace & Version everything just like code. Offline, Truly Git Native, No Lock-in.

Waboodoo / HTTP-Shortcuts

Android app to create home screen shortcuts that trigger arbitrary HTTP requests and more

earthboundkid / requests

HTTP requests for Gophers

softwaremill / sttp

The Scala HTTP client you always wanted!

0x676e67 / wreq-python

An ergonomic, privacy-aware Python HTTP Client

softwaremill / tapir

Rapid development of self-documenting APIs

elixir-mint / mint

Functional HTTP client for Elixir with support for HTTP/1 and HTTP/2 🌱

sneako / finch

Elixir HTTP client, focused on performance

akka / akka-http

The Streaming-first HTTP server/module of Akka

sardanioss / httpcloak

Go HTTP client with browser-identical TLS/HTTP2 fingerprinting. Bypass bot detection by perfectly mimicking Chrome, Firefox, and Safari at the cryptographic level (JA3/JA4, Akamai fingerprint, header order). Supports HTTP/1.1, HTTP/2, HTTP/3, sessions, cookies, and proxies.

posva / mande

800 bytes modern wrapper around fetch with smart defaults

wojtekmach / req

Req is a batteries-included HTTP client for Elixir.

slackapi / bolt-python

A framework to build Slack apps using Python

LucasPickering / slumber

Terminal-based HTTP/REST client

pycurl / pycurl

PycURL - Python interface to libcurl

dart-lang / http

A composable API for making HTTP requests in Dart.