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api-client

An API can be thought of as an instruction manual for communication between multiple software apparatuses. For example, an API may be used for database communication between web applications. By extracting the implementation and relinquishing data into objects, an API simplifies programming.

Here are 8,094 public repositories matching this topic...

hoppscotch

hoppscotch / hoppscotch

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

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Updated Dec 19, 2025
TypeScript

usebruno / bruno

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

javascript git testing graphql-client automation opensource rest-api http-client openapi api-client developer-tools testing-tools api-testing openapi3

Updated Dec 19, 2025
JavaScript

insomnia

Kong / insomnia

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

api graphql curl rest-api websockets grpc http-client api-client electron-app api-design

Updated Dec 19, 2025
TypeScript

cli

httpie / cli

🥧 HTTPie CLI — modern, user-friendly command-line HTTP client for the API era. JSON support, colors, sessions, downloads, plugins & more.

Updated Dec 17, 2024
Python

OpenAPITools / openapi-generator

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

api sdk rest generator rest-api openapi api-client api-server restful-api hacktoberfest rest-client openapi3 openapi-generator

Updated Dec 19, 2025
Java

scalar / scalar

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

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Updated Dec 20, 2025
TypeScript

NangoHQ / nango

A single API for all your integrations.

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Updated Dec 19, 2025
TypeScript

josStorer / RWKV-Runner

A RWKV management and startup tool, full automation, only 8MB. And provides an interface compatible with the OpenAI API. RWKV is a large language model that is fully open source and available for commercial use.

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Updated Dec 10, 2025
TypeScript

requestly / requestly

Free and open-source API Client & Interceptor.

Updated Dec 19, 2025
TypeScript

makenotion / notion-sdk-js

Official Notion JavaScript Client

javascript api typescript js api-client notion

Updated Dec 16, 2025
TypeScript

yosriady / awesome-api-devtools

📚 A collection of useful resources for building RESTful HTTP+JSON APIs.

api json-schema api-management swagger api-documentation api-client api-gateways

Updated Nov 20, 2025

desktop

httpie / desktop

🚀 HTTPie Desktop — cross-platform API testing client for humans. Painlessly test REST, GraphQL, and HTTP APIs.

api desktop api-client developer-tools api-testing httpie

Updated Mar 19, 2025

rs / curlie

The power of curl, the ease of use of httpie.

go cli terminal curl http-client api-client developer-tools httpie webdevelopment

Updated Dec 7, 2025
Go

ArchGPT / insomnium

Insomnium is a fast local API testing tool that is privacy-focused and 100% local. For testing GraphQL, REST, WebSockets and gRPC. This is a fork of Kong/insomnia

electron api-client insomnia privacy-preserving

Updated Apr 20, 2024
JavaScript

php-curl-class / php-curl-class

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

Updated Dec 12, 2025
PHP

Julien-cpsn / ATAC

A simple API client (postman like) in your terminal

api rust api-client tui postman insomnia ratatui

Updated Oct 31, 2025
Rust

swar / nba_api

An API Client package to access the APIs for NBA.com

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Updated Dec 15, 2025
Python

ruby-openai

alexrudall / ruby-openai

OpenAI API + Ruby! 🤖❤️ GPT-5 & Realtime WebRTC compatible!

ruby rails ai api-client openai whisper o1 dall-e gpt-4 chatgpt gpt-4o

Updated Aug 29, 2025
Ruby

Ovi / DummyJSON

DummyJSON.com provides different types of REST Endpoints filled with JSON data which you can use in developing the frontend with your favorite framework and library without worrying about writing a backend.

nodejs javascript api json json-api placeholder rest-api api-client javascript-library api-rest dummy-data json-server placeholderapi dummy-data-generator

Updated Dec 10, 2025
EJS

flawiddsouza / Restfox

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

graphql-client http pwa vue rest-api websocket http-client api-client developer-tools testing-tools api-testing hacktoberfest rest-client

Updated Sep 8, 2025
Vue

Followers: 105k followers
Website: github.com/topics/api
Wikipedia: Wikipedia

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