npm · crates.io · PyPI99Exceptionalhealth index

scalar/scalarScalar is an open-source API platform: 🌐 Modern REST API Client 📖 Beautiful API References ✨ 1st-Class OpenAPI/Swagger Support
TypeScript · Vue★ 15.8K↓ 6.1M/moAug 5, 2026
npm97Exceptionalhealth index
TypeScript★ 11.6K↓ 2.1M/moAug 27, 2026
PyPI · npm97Exceptionalhealth index

apify/apify-client-pythonApify API client for Python—Programmatically run Actors, manage and stream data from storages (datasets, key-value stores, request queues), schedule and monitor runs, and access the full Apify platform API. Sync and async interfaces with automatic retries and pagination.
Python★ 97↓ 2.8M/moAug 27, 2026
Packagist96Exceptionalhealth index
PHP★ 176↓ 321.6K/moAug 22, 2026
Maven96Exceptionalhealth index

OpenAPITools/openapi-generatorOpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)
Java★ 26.6KAug 5, 2026
Go96Exceptionalhealth index
Go★ 166Jul 30, 2026
Packagist · PyPI96Exceptionalhealth index
PHP★ 3,301↓ 140.4K/moJul 20, 2026
NuGet96Exceptionalhealth index

reactiveui/refitThe automatic type-safe REST library for .NET Core, Xamarin and .NET. Heavily inspired by Square's Retrofit library, Refit turns your REST API into a live interface.
C#★ 9,562Aug 28, 2026
npm96Exceptionalhealth index

usebruno/brunoOpensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)
JavaScript · TypeScript★ 46.1K↓ 4.7M/moAug 5, 2026
npm95Exceptionalhealth index

hoppscotch/hoppscotchOpen-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia
TypeScript · Vue★ 80K↓ 12.7K/moAug 4, 2026
npm95Exceptionalhealth index
TypeScript★ 2,503↓ 22.4M/moAug 27, 2026
npm95Exceptionalhealth index
TypeScript★ 5,654↓ 7.4M/moAug 27, 2026
RubyGems94Exceptionalhealth index
Ruby★ 54Aug 18, 2026
Go94Exceptionalhealth index
Go★ 48Aug 12, 2026
npm93Exceptionalhealth index
TypeScript★ 134↓ 200.6K/moAug 3, 2026
Go92Excellenthealth index
Go★ 23Jul 30, 2026
npm · PyPI92Excellenthealth index

hey-api/hey-api👨🚀 Turn API specifications into production-ready SDKs, validators, mocks, and more. 20+ plugins. Millions of weekly npm downloads. Used by Vercel, OpenCode, PayPal, AWS, Autodesk, and many more.
TypeScript★ 5,321↓ 39.4M/moAug 28, 2026
PyPI91Excellenthealth index
Python★ 485↓ 798.3K/moAug 8, 2026
PyPI91Excellenthealth index
Python★ 2,174Aug 13, 2026
Maven90Excellenthealth index

twitch4j/twitch4jA JVM library for all Twitch APIs, including Chat, Helix, and EventSub (webhook/websocket/conduit). It includes advanced features for large-scale apps such as connection pooling, rate-limiting, and more!
Java★ 411Sep 3, 2026
Packagist89Excellenthealth index
PHP★ 697↓ 656K/moJul 15, 2026
npm89Excellenthealth index
JavaScript★ 67↓ 136.7K/moAug 3, 2026
npm89Excellenthealth index
JavaScript★ 97↓ 3M/moAug 3, 2026
npm89Excellenthealth index
tiagosiebler/binanceNode.js & JavaScript SDK for Binance REST APIs & WebSockets, with TypeScript & browser support, integration tests, beautification & more.
TypeScript★ 923↓ 53.3K/moJul 21, 2026
PyPI89Excellenthealth index
wikimedia/pywikibotA Python library that interfaces with the MediaWiki API. This is a mirror from gerrit.wikimedia.org. Do not submit any patches here. See https://www.mediawiki.org/wiki/Developer_account for contributing.
Python★ 763↓ 304.6K/moJul 21, 2026
Go88Excellenthealth index
Go★ 200Jul 18, 2026
npm88Excellenthealth index
TypeScript★ 16↓ 18.8K/moJul 17, 2026
npm88Excellenthealth index
TypeScript★ 25↓ 251K/moAug 28, 2026
npm88Excellenthealth index
JavaScript★ 239↓ 33.1K/moJul 18, 2026
PyPI88Excellenthealth index
Python★ 509↓ 272.8K/moAug 1, 2026