GitHub Go - Client library for accessing GitHub GraphQL API.
GitHub JS - Extendable client for GitHub's REST & GraphQL APIs.
GitHub JS 2 - GitHub API HTTP client with cache support to get the most of your rate limit.
GitHub Swift - Swift framework for the GitHub API.
GitHub Swift 3 - Swift API Client for GitHub and GitHub Enterprise.
GitHub Gists Python - Advanced python wrapper for Github Gist API.
Hacker News - Documentation and Samples for the Official HN API.
Dropbox - Command line client for Dropbox built using the Go SDK.
Twitter Python - Actively maintained, pure Python wrapper for the Twitter API. Supports both normal and streaming Twitter APIs.
Twitter Node - Twitter API Client for node (REST & Streaming API).
Twitter Node 2 - Twitter API v2 client for TypeScript auto-generated from official OpenAPI specification.
Twitter Lite JS - Tiny, full-featured, flexible client / server library for the Twitter API.
Twitter Go - Go Twitter REST and Streaming API v1.1
Twitter Post Fetcher - Fetch your twitter posts without using the new Twitter.
arxiv-graphql - GraphQL API for arXiv: e-print service by Cornell University.
Sheetfu - Python library to interact with Google Sheets V4 API.
Cloudflare - Rust library for the Cloudflare v4 API.
Notion JS - Unofficial Node.js API client for Notion.
Notion TS - Unofficial Notion.so Wrapper.
Notion Python - Unofficial Python API client for Notion.so.
Google Cloud - Google Cloud Client Library for Python.
Reddit JS - Simple Reddit API client in JS.
Fastly Go - CLI for interacting with the Fastly platform.
Slack Go 3 - Slack client for go.
Slash Go 4 - Router for Slack's slash commands.
Slack Go 5 - Slack Bot Framework in Go.
Star Wars API - Nice for testing.
WikipediaKit - API Client Framework for Swift.
Zendesk Go - Zendesk API client library for Go.
Cantine - Cooking recipe search JSON API with over a million recipes.
CartQL - GraphQL Shopping Cart API.
Stream - Enterprise Grade Feed & Chat APIs.
Telegraph API - Minimalist publishing tool that allows you to create richly formatted posts and push them to the Web in just a click.
Intercom Node - Node.js bindings for the Intercom API.
Pocket Export - Export/access your Pocket data, including highlights.
AssemblyAI - Top Rated API for Speech-to-Text.
Digital Ocean Go - Go client library for accessing the DigitalOcean V2 API.
WhatsApp Go - WhatsApp Web API.
Trello Go - Trello API wrapper for Go.
Gophercloud Go - OpenStack Go SDK.
Spotify GraphQL - GraphQL schema for Spotify WebAPI.
Spotify Rust - Open Source Spotify client library.
TikTok Python - Unofficial API.
TensorFlow Rust - Rust language bindings for TensorFlow.
libgit2 Rust - libgit2 bindings for Rust.
LLVM Rust - Friendly LLVM library for Rust.
SwiftyInsta - Instagram Private API Swift.
Instagram Scraper Python - Scrapes medias, likes, followers, tags and all metadata.
InstaLooter - API-less Instagram pictures and videos downloader.
SpaceX API - Open Source REST API for rocket, core, capsule, pad, and launch data.
GitLab Node - GitLab API NodeJS library with full support of all the Gitlab API services.
GCP Haskell - Comprehensive Google Services SDK for Haskell.
Finage - Stock,Currency and Crypto Real-Time API.
Rick and Morty API - RESTful and GraphQL API based on the television show Rick and Morty.
Transposit - API composition platform.
Postwoman - API request builder - A free, fast, and beautiful alternative to Postman.
Public APIs - Collective list of free APIs for use in software and web development.
Kong - Connect all your microservices and APIs with the industry’s most performant, scalable and flexible API platform.
Amazon API Gateway Serverless Developer Portal - Application that you use for developer engagement by making your API Gateway APIs available to your customers through self-service discovery of those APIs.
Stone - Write your APIs in stone.
OpenAPI Compliance Proxy - Validates requests and responses against an OpenAPI document.
NoCodeAPI - Quickly set-up third party application APIs.
Saasify - Handles all of the SaaS boilerplate, including user accounts, subscription billing, developer docs, and a polished marketing site.
Hoverfly - Lightweight, open source API simulation tool. Using Hoverfly, you can create realistic simulations of the APIs your application depends on.
OpenAutoComplete - Shell-agnostic, declarative CLI autocomplete specification.
apigentools - Generate API clients from OpenAPI v3 specification for multiple languages using openapi-generator.
Paperclip - OpenAPI tooling for Rust.
Standard Library - Design with APIs, prototype, and release integrations faster with Autocode.
APIs with GitHub - Simple tool to make JSON APIs for quick use for your basic projects. Your APIs are hosted on GitHub as JSON file that's simple.
Akita Software - Helping people get visibility into their software through their APIs.
Bearer.sh - Monitor, track performance, detect anomalies, and fix issues on your critical API usage.
APIs You Won't Hate - Community that cares about API design and development.
Swagger Codegen - Contains a template-driven engine to generate documentation, API clients and server stubs in different languages by parsing your OpenAPI / Swagger definition.
Abstract API - Suite of fast, accurate, & robust APIs.
APISprout - Lightweight, blazing fast, cross-platform OpenAPI 3 mock server with validation.
Mocker API - Creates mocks for REST APIs. It will be helpful when you try to test your application without the actual REST API server.
Metapine - Discover new & interesting APIs.
Public APIs - Directory of Free Public & Open Rest APIs.
swagger-typescript-api - TypeScript API generator via Swagger scheme.