- Google Drive
- GitHub
- 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 Rust
- GitHub Rust 2
- GitHub Swift - Swift framework for the GitHub API.
- GitHub Swift 2
- GitHub Swift 3 - Swift API Client for GitHub and GitHub Enterprise.
- GitHub Python
- GitHub Julia
- 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.
- Dropbox JS - Dropbox JavaScript SDK.
- Twitter Swift
- Twitter Python - Actively maintained, pure Python wrapper for the Twitter API. Supports both normal and streaming Twitter APIs.
- Twitter Python 2
- Twitter Python 3
- Twitter Rust
- Twitter R
- Twitter Node - Twitter API Client for node (REST & Streaming API).
- Twitter Node
- 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 Go 2
- Twitter API proxy server using gRPC
- Twitter profile dumper (downloader) with authorization swapping
- 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 Go
- Notion Python - Unofficial Python API client for Notion.so.
- Google Cloud - Google Cloud Client Library for Python.
- Reddit Python
- Reddit Go
- Reddit Go 2
- Reddit Go 3
- Reddit JS - Simple Reddit API client in JS.
- Goodreads API Go
- SendGrid Go
- Fastly Go - CLI for interacting with the Fastly platform.
- Slack Go 2
- Slack Go 3 - Slack client for go.
- Slash Go 4 - Router for Slack's slash commands.
- Slack Go 5 - Slack Bot Framework in Go.
- Stripe Go
- Star Wars API - Nice for testing.
- Google Spreadsheet NodeJS - Most popular Google Sheets API wrapper for JavaScript.
- Airtable JS
- Airtable Go
- Airtable Go 2
- 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.
- Binding and CLI generator for all google APIs
- CartQL - GraphQL Shopping Cart API.
- Binance Go
- 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.
- Pocket Python
- AssemblyAI - Top Rated API for Speech-to-Text.
- Apple News API Client
- Google Cloud Client Libraries Go
- Digital Ocean Go - Go client library for accessing the DigitalOcean V2 API.
- WhatsApp Go - WhatsApp Web API.
- Facebook Graph API SDK Go
- Trello Go - Trello API wrapper for Go.
- LinkedIn Node
- Gophercloud Go - OpenStack Go SDK.
- AWS SDK Rust
- Spotify Go
- Spotify GraphQL - GraphQL schema for Spotify WebAPI.
- Spotify Python
- Spotify Rust - Open Source Spotify client library.
- Spotify Rust 2
- Spotify iOS SDK
- Spotify Swift
- Apple Music Go
- TikTok Python - Unofficial API.
- Apple Music Go
- Google News Python
- 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 Private API in Python
- Instagram Scraper Python - Scrapes medias, likes, followers, tags and all metadata.
- Swiftagram - Modern Swift wrapper for Instagram Private API.
- Instagram Private Web API client
- InstaLooter - API-less Instagram pictures and videos downloader.
- Fastly Go
- Linear GraphQL API
- 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.
- GitLab Go
- GitLab Go 2
- GCP Haskell - Comprehensive Google Services SDK for Haskell.
- Robintrack - Scrapes the Robinhood API to retrieve + store popularity and price data. (Web)
- OpenAI API (HN)
- Tesla Swift
- Medium API
- Backblaze Go
- Paddle Go
- Azure Python
- Typeform JS SDK
- Twitch GraphQL
- Finage - Stock,Currency and Crypto Real-Time API.
- Vonage API - Everything you need to build connected applications. (Code)
- Bing Web Search API
- TalkJS - Chat API and Javascript SDK for websites and apps.
- Exchangerate.host - Free API service for crypto and foreign exchange rates. (HN)
- Rick and Morty API - RESTful and GraphQL API based on the television show Rick and Morty.
- Square Node (Release)
- Transposit - API composition platform.
- Postwoman - API request builder - A free, fast, and beautiful alternative to Postman.
- Build an external api with auth using Traefik and Go
- 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 Specification - Standard for describing modern APIs. (Code)
- OpenAPI Compliance Proxy - Validates requests and responses against an OpenAPI document.
- Stoplight Studio - Design APIs 10x faster with our free OpenAPI editor. Prototype and share your API within minutes. (Code)
- WorkOS - APIs for enterprise features like SSO/SAML. (HN)
- NoCodeAPI - Quickly set-up third party application APIs.
- Pipedream - Develop any workflow, based on any trigger. Workflows are code, which you can run for free. (Code)
- An Introduction to APIs
- Paragon - Visually create production-ready API workflows. (HN)
- 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.
- MetaMate - Open-source semantic service bus and provides you an api for everything. (Web)
- Unofficial APIs list
- OpenAutoComplete - Shell-agnostic, declarative CLI autocomplete specification.
- Best practices for building SDKs for APIs (2019)
- Ask HN: Best practices (and examples) for designing client libraries for APIs? (2020)
- apigentools - Generate API clients from OpenAPI v3 specification for multiple languages using openapi-generator.
- OpenAPI Generator - Generate clients, servers, and documentation from OpenAPI documents. (Code)
- Lessons learned designing APIs (2019)
- Ask HN: Best Way to Mock APIs in 2020?
- Paperclip - OpenAPI tooling for Rust.
- Standard Library - Design with APIs, prototype, and release integrations faster with Autocode.
- APIs are about Policy (2019)
- 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.
- A personal API (2019)
- The API Economy
- Mock Service Worker (MSW) - Seamless REST/GraphQL API mocking library for browser and Node. (Web)
- Rusty's API Design Manifesto
- Top 10 Social Media APIs for Developers (2020)
- Slate - Beautiful static documentation for your API. (HN)
- The land before modern APIs (2020)
- How should we build the APIs of tomorrow? (2020) (HN)
- Top Tools to Make Debugging APIs Easier (2020)
- 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.
- Ask HN: Suggestions for books about API design? (2020)
- How To Design A Good API and Why it Matters (2007)
- Regarding Semantic Versioning (2020) (Lobsters)
- Swagger UI - Collection of HTML, JavaScript, and CSS assets that dynamically generate beautiful documentation from a Swagger-compliant API.
- Swagger Codegen - Contains a template-driven engine to generate documentation, API clients and server stubs in different languages by parsing your OpenAPI / Swagger definition.
- Catch Breaking Changes by Diffing API Traffic (2020) (HN)
- Cloudflare API Shield (2020)
- Abstract API - Suite of fast, accurate, & robust APIs.
- Stargate - Open source API framework for data. Data gateway deployed between client applications and a database. (Web) (Hello GraphQL; meet Cassandra)
- API pagination design (2020) (Lobsters)
- Insomnia - API Design Platform and REST Client. (Code)
- Apiary - Platform for API Design, Development & Documentation. (How Apiary Works)
- Customizing API Documentation with Next.JS, Tailwind CSS, and ReadMe (2020)
- OpenAPI 3 Generator - Faster way to prototype your APIs using OpenAPI 3 and Swagger UI. (HN)
- Hoppscotch - Free, fast and beautiful API request builder. (Code)
- Optic - APIs that Document and Test Themselves. (Code)
- Pizzly - Simplest, fastest way to integrate your app with OAuth APIs. (Web)
- Swell - API development tool that enables developers to test endpoints served over streaming technologies including Server-Sent Events (SSE), WebSockets, HTTP2, GraphQL and gRPC. (Web)
- API design is stuck in the past (2020) (HN)
- APISprout - Lightweight, blazing fast, cross-platform OpenAPI 3 mock server with validation.
- List of Great Product API Docs (2020)
- Bitmasks for nicer APIs (2020)
- Apache APISIX - Dynamic, real-time, high-performance API gateway, based on the Nginx library and etcd. (Web)
- APIsFinder - Find Over 680 public and open REST APIs for developers. (Code)
- APIs All the Way Down (2020)
- What's good about offset pagination; designing parallel cursor-based web APIs (HN)
- The API Book (Code)
- API-Less Architecture
- Mocker API - Creates mocks for REST APIs. It will be helpful when you try to test your application without the actual REST API server.
- Building DigitalOcean's API Gateway (2021) (HN)
- AWS Smithy - Language for defining services and SDKs. (Code) (HN)
- DevDocs - API Documentation Search. (Code)
- Metapine - Discover new & interesting APIs.
- Hydra: Hypermedia-Driven Web APIs
- A Theory of Robust API Knowledge (2021)
- Public APIs - Directory of Free Public & Open Rest APIs.
- swagger-typescript-api - TypeScript API generator via Swagger scheme.
- Pusher - Bi-directional hosted APIs that are flexible, scalable and easy to use. (GitHub)
- Mockoon - Create mock APIs in seconds. (Code)
- ROAPI - Create full-fledged APIs for static datasets without writing a single line of code. (Docs)
- Autocode - Instant endpoints for anything.
- HN: Google’s copying of the Java SE API was fair use (2021)
- Using Postman and APIMatic to Document APIs and Generate Client Libraries (2021)
- Read from databases, write to APIs (2021) (Lobsters)
- Stoplight Elements - Beautiful API documentation powered by OpenAPI and Markdown. (Code)
- API Versioning Has No "Right Way" (2017)
- API Specification Toolbox - Project to try and define the world of API specifications. (Code)
- API Blueprint - Powerful high-level API description language for web APIs. (Code)
- 4 essential characteristics of successful APIs (2021)