api-client

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AnAPI 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.

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hoppscotch /hoppscotch

Sponsor

Star70.8k

Open source API development ecosystem -https://hoppscotch.io (open-source alternative to Postman, Insomnia)

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

UpdatedApr 2, 2025
TypeScript

Kong /insomnia

Star36k

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

UpdatedApr 3, 2025
JavaScript

httpie /cli

Star35.2k

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

python api debugging cli http client devops json development terminal web rest curl rest-api http-client api-client developer-tools usability api-testing httpie

UpdatedDec 17, 2024
Python

usebruno /bruno

Star32.3k

Opensource IDE For Exploring and Testing Api's (lightweight alternative to postman/insomnia)

javascript git testing graphql-client automation opensource api-client

UpdatedApr 3, 2025
JavaScript

OpenAPITools /openapi-generator

Star23.3k

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

UpdatedApr 2, 2025
Java

scalar /scalar

Star9.6k

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

api docs vue reference rest-api swagger http-client openapi api-client openapi3

UpdatedApr 3, 2025
TypeScript

josStorer /RWKV-Runner

Star5.8k

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.

api tool api-client wails llm rwkv chatgpt

UpdatedMar 29, 2025
TypeScript

NangoHQ /nango

Star5.2k

A single API for all your integrations.

api oauth integrations oauth2 api-client oauth1 unified-api access-token refresh-token api-integration product-integration api-integrations

UpdatedApr 3, 2025
TypeScript

makenotion /notion-sdk-js

Star5.1k

Official Notion JavaScript Client

javascript api typescript js api-client notion

UpdatedMar 13, 2025
TypeScript

yosriady /awesome-api-devtools

Star3.9k

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

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

UpdatedAug 21, 2024

ArchGPT /insomnium

Star3.4k

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

UpdatedApr 20, 2024
JavaScript

httpie /desktop

Star3.3k

🚀 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

UpdatedMar 19, 2025

php-curl-class /php-curl-class

Star3.3k

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

api php http client json framework curl xml proxy restful class http-client http-proxy api-client web-scraper requests web-scraping php-curl web-service php-curl-library

UpdatedMar 31, 2025
PHP

requestly /requestly

Star3.3k

Local-first Developer Tool to Build, Test, Intercept & Mock API Requests. Requestly is a combination of REST API Client and HTTP Interceptor. It is simple, beautiful and powerful alternative to Postman, Insomnia, Bruno and Charles Proxy.