Welcome to the Public APIs Collection – a beautifully curated list of free, publicly available APIs, created by the talented API Fellows from our API Fellowship Program. This repository is a comprehensive resource designed to empower developers with access to powerful third-party services without spending a dime.
Whether you're building an MVP for your startup, learning to code, or hacking on a side project, these APIs offer a wide range of capabilities - from real-time collaboration and AI-powered chatbots to social media integrations and weather data.
This collection is the result of dedicated research by our API Fellows, who explored, tested, and documented these APIs to make them easily accessible for themselves and the broader developer community. Dive in and discover tools that can elevate your next project!
We welcome contributions from the community! Here's how you can help:
- Fork this repository
- Add your API to the appropriate section following our format
- Ensure the API is free to use (with or without registration)
- Test that the API is working and accessible
- Submit a pull request with a clear description
- APIs must be publicly accessible and free to use
- Include accurate descriptions and authentication requirements
- Maintain the table format for consistency
- Verify all links are working before submitting
These APIs can significantly enhance your projects and provide professional-grade features:
| API | Description | Auth | Difficulty |
|---|---|---|---|
| Liveblocks | Real-time collaboration infrastructure for building live cursors, comments, presence indicators, and collaborative editing featuresPerfect for building collaborative whiteboards, document editors, design tools, or any app requiring real-time user interaction. Provides WebSocket connections, conflict resolution, and user presence out of the box. |
API Key | Easy |
| PusherKit | Real-time messaging and live updates for web and mobile applicationsAdd real-time chat, live notifications, activity feeds, and collaborative features to your apps. Great for building messaging apps, live dashboards, and real-time games. |
API Key | Easy |
| OpenAI API | Access to GPT models for building AI-powered chatbots, content generation, and intelligent applicationsBuild ChatGPT-like interfaces, content generators, code assistants, and smart automation tools. Includes text generation, image creation, and code completion capabilities. |
API Key | Medium |
| GitHub API | Comprehensive access to GitHub's features for building developer tools and integrationsCreate code portfolio sites, automated deployment tools, issue trackers, code analysis tools, and development dashboards. Access repositories, commits, issues, and user data. |
OAuth/Token | Medium |
| Stripe API | Complete payment processing solution for e-commerce and subscription applicationsHandle payments, subscriptions, invoicing, and financial operations in your applications. Supports multiple payment methods and currencies with robust security. |
API Key | Medium |
| Twilio API | Communication APIs for SMS, voice calls, video, and messaging featuresAdd SMS notifications, voice calls, video conferencing, and WhatsApp messaging to your applications. Perfect for building communication platforms and notification systems. |
API Key | Easy |
| Playroom Kit | Multiplayer game development platform with real-time featuresBuild multiplayer games with lobby systems, real-time state sync, voice chat, and player matching. Perfect for creating social games, party games, and collaborative gaming experiences. |
API Key | Medium |
| Twitter API v2 | Social media automation, bot creation, and analytics platformCreate Twitter bots, social media schedulers, sentiment analysis tools, and automated content systems. Build social listening platforms and engagement automation. |
OAuth | Hard |
| Discord API | Community and gaming platform integrationBuild Discord bots, server management tools, community platforms, and gaming integrations. Create automated moderation, custom commands, and interactive bot experiences. |
Bot Token | Medium |
| Clerk | Complete user management and authentication platformAdd sign-up, sign-in, user profiles, and session management with beautiful pre-built UI components. Includes social logins, MFA, and user organization features. |
API Key | Easy |
| Supabase | Backend-as-a-Service with real-time database and authenticationBuild full-stack applications with instant APIs, real-time subscriptions, file storage, and authentication. PostgreSQL database with automatic REST and GraphQL APIs. |
API Key | Medium |
| Algolia | Powerful search and discovery platformAdd instant search, autocomplete, and recommendation features to your applications. Perfect for e-commerce, documentation sites, and content discovery platforms. |
API Key | Easy |
| Cloudinary | Media management and optimization platformUpload, transform, optimize, and deliver images and videos. Automatic format conversion, resizing, and CDN delivery for better performance. |
API Key | Easy |
| Firebase | Google's app development platform with real-time featuresBuild web and mobile apps with real-time database, authentication, hosting, cloud functions, and push notifications. Complete backend solution. |
API Key | Easy |
| Agora | Real-time voice and video communication platformAdd live streaming, video calls, voice chat, and interactive broadcasting to your applications. Perfect for building social apps, live commerce, and virtual events. |
API Key | Medium |
| Mapbox | Advanced mapping and location servicesCreate custom interactive maps, navigation apps, and location-based features. Includes geocoding, routing, and beautiful map styling options. |
API Key | Medium |
| Socket.IO | Real-time bidirectional event-based communicationBuild real-time applications like chat systems, collaborative editors, live dashboards, and multiplayer games with WebSocket connections. |
None | Medium |
| Uploadcare | File uploading and processing platformHandle file uploads, image processing, video encoding, and document conversion. Includes drag-and-drop widgets and automatic optimization. |
API Key | Easy |
| Sanity | Headless CMS with real-time collaborationBuild content management systems with real-time editing, structured content, and flexible APIs. Perfect for blogs, e-commerce, and content-driven applications. |
API Key | Medium |
| Auth0 | Identity and access management platformImplement secure authentication, single sign-on, multi-factor authentication, and user management. Supports social logins and enterprise integrations. |
API Key | Medium |
| Vercel | Deployment and hosting platform with serverless functionsDeploy applications, manage domains, and run serverless functions. Perfect for building JAMstack applications with automatic deployments. |
API Key | Easy |
| Notion API | Workspace and productivity platform integrationBuild productivity tools, content management systems, and workflow automation. Access databases, pages, and blocks for creating custom Notion integrations. |
OAuth | Medium |
| Slack API | Team communication and workflow automationCreate Slack bots, workflow automations, and team productivity tools. Build custom commands, notifications, and integrations for workplace efficiency. |
OAuth | Medium |
| Airtable | Flexible database platform with spreadsheet interfaceBuild applications with structured data, automated workflows, and collaborative features. Perfect for CRM systems, project management, and content organization. |
API Key | Easy |
| Contentful | Headless CMS for content management and deliveryManage and deliver content across multiple platforms and devices. Build blogs, websites, and applications with structured content and media management. |
API Key | Easy |
| MongoDB Atlas | Cloud database platform with flexible document storageBuild applications with NoSQL database, full-text search, and analytics. Includes automatic scaling, backup, and security features. |
API Key | Medium |
| PlanetScale | Serverless MySQL database platformBuild applications with branching databases, automatic scaling, and zero-downtime schema changes. Perfect for modern web applications. |
API Key | Medium |
| Neon | Serverless PostgreSQL database with branchingBuild applications with modern PostgreSQL features, automatic scaling, and database branching for development workflows. |
API Key | Medium |
| Railway | Infrastructure platform for deploying applicationsDeploy and manage applications, databases, and services with automatic scaling and built-in monitoring. Perfect for full-stack applications. |
API Key | Easy |
| Linear | Project management and issue tracking platformBuild productivity tools, project dashboards, and workflow automation. Integrate with development workflows and team management systems. |
API Key | Medium |
Most requested APIs for common application features:
| API | Description | Auth | Difficulty |
|---|---|---|---|
| Instagram Basic Display | Access user's Instagram content for building third-party Instagram applicationsBuild Instagram analytics tools, content schedulers, photo galleries, and social media management platforms. Access user media, profile info, and basic insights. |
OAuth | Medium |
| YouTube Data API | Access YouTube content, channels, playlists, and video dataBuild video portfolio sites, content management tools, analytics dashboards, and YouTube integrations. Search videos, manage playlists, and access channel statistics. |
API Key | Easy |
| Spotify Web API | Access Spotify's music catalog, user playlists, and playback featuresCreate music recommendation engines, playlist managers, music discovery apps, and audio analysis tools. Control playback and access user's music data. |
OAuth | Medium |
| Google Maps API | Comprehensive mapping, geocoding, and location servicesAdd interactive maps, location search, directions, and geolocation features to your applications. Perfect for delivery apps, store locators, and travel applications. |
API Key | Easy |
| SendGrid API | Reliable email delivery service for transactional and marketing emailsSend welcome emails, password resets, newsletters, and notifications. Includes email analytics, template management, and delivery optimization. |
API Key | Easy |
| OpenAI API | Access to GPT models for building AI-powered chatbots, content generation, and intelligent applicationsBuild ChatGPT-like interfaces, content generators, code assistants, and smart automation tools. Includes text generation, image creation, and code completion capabilities. |
API Key | Medium |
| GitHub API | Comprehensive access to GitHub's features for building developer tools and integrationsCreate code portfolio sites, automated deployment tools, issue trackers, code analysis tools, and development dashboards. Access repositories, commits, issues, and user data. |
OAuth/Token | Medium |
| Stripe API | Complete payment processing solution for e-commerce and subscription applicationsHandle payments, subscriptions, invoicing, and financial operations in your applications. Supports multiple payment methods and currencies with robust security. |
API Key | Medium |
- 🚀 Project Enhancers
- 🎯 Popular Integrations
- 🔒 Authentication & Authorization
- 🤖 Artificial Intelligence & Machine Learning
- 🐾 Animals
- 🎌 Anime & Manga
- 🛡️ Anti-Malware & Security
- 🎨 Art & Design
- ⛓️ Blockchain & Cryptocurrency
- 📚 Books & Literature
- 💼 Business & Finance
- 📅 Calendar & Events
- ☁️ Cloud Storage & File Sharing
- 🔧 Development & Testing
- 📖 Dictionaries & Language
- 📧 Email & Communication
- 🎬 Entertainment & Media
- 🌍 Environment & Weather
- 🏦 Finance & Banking
- 🍕 Food & Drink
- 🎮 Games & Comics
- 📍 Geocoding & Maps
- 🏛️ Government & Public Data
- ⚕️ Health & Medical
- 💼 Jobs & Careers
- 🎵 Music & Audio
- 📰 News & Journalism
- 📊 Open Data & Analytics
- 🔓 Open Source Projects
- 📱 Phone & SMS
- 📸 Photography & Images
- 💻 Programming & Code
- 🔬 Science & Mathematics
- 🛒 Shopping & E-commerce
- 👥 Social Media & Networking
- ⚽ Sports & Fitness
- 🧪 Test Data & Mock APIs
- 📝 Text Analysis & Processing
- 📦 Tracking & Logistics
- 🚗 Transportation & Travel
- 🔗 URL Shorteners
- 🚙 Vehicle Information
- 🎥 Video & Streaming
| API | Description | Auth | Difficulty |
|---|---|---|---|
| Auth0 | Complete identity and access management platformImplement user authentication, single sign-on, multi-factor authentication, and user management in your applications. |
API Key | Medium |
| Firebase Auth | Google's authentication service with multiple sign-in methodsAdd email/password, social logins, phone authentication, and anonymous authentication to your apps. |
API Key | Easy |
| Okta | Enterprise-grade identity and access managementSecure your applications with advanced authentication, authorization, and user management capabilities. |
API Key | Hard |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| Hugging Face | Access to thousands of machine learning models for NLP, computer vision, and audioUse pre-trained models for text classification, image recognition, language translation, and more without building models from scratch. |
API Key | Easy |
| Cohere | Natural language processing API for text generation, classification, and embeddingsBuild chatbots, content generators, semantic search, and text analysis applications with powerful language models. |
API Key | Easy |
| Clarifai | Computer vision and natural language processing platformAdd image recognition, video analysis, text processing, and custom model training to your applications. |
API Key | Medium |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| Dog API | Collection of dog images by breedGet random dog images, images by breed, and breed information for pet applications or fun projects. |
None | Easy |
| Cat API | Cat images, facts, and breed informationAccess thousands of cat images, breed data, and fun cat facts for pet-related applications. |
Optional | Easy |
| Random Fox | Random fox imagesGet cute fox images for your applications or just for fun! |
None | Easy |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| Jikan | Unofficial MyAnimeList API for anime and manga dataAccess anime/manga information, ratings, reviews, and recommendations for building anime databases and recommendation systems. |
None | Easy |
| AniList API | GraphQL API for anime and manga dataComprehensive anime/manga database with user data, statistics, and social features. |
OAuth | Medium |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| VirusTotal | File and URL scanning for malware detectionScan files and URLs for viruses, malware, and security threats using multiple antivirus engines. |
API Key | Easy |
| Have I Been Pwned | Check if email addresses have been compromised in data breachesHelp users check if their credentials have been exposed in known data breaches. |
API Key | Easy |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| Unsplash | High-quality stock photographyAccess millions of free high-resolution photos for your applications, websites, and projects. |
API Key | Easy |
| Lorem Picsum | Lorem Ipsum for photos - placeholder imagesGenerate placeholder images of any size for mockups and development. |
None | Easy |
| Art Institute of Chicago | Access to museum's art collection and dataBrowse thousands of artworks, artist information, and exhibition data from one of the world's premier art museums. |
None | Easy |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| CoinGecko | Cryptocurrency data including prices, market cap, and trading volumeGet real-time crypto prices, historical data, market trends, and coin information for building crypto applications. |
None | Easy |
| Blockchain.info | Bitcoin blockchain data and statisticsAccess Bitcoin transaction data, wallet information, and blockchain statistics. |
None | Easy |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| Open Library | Book data from Internet Archive's Open LibrarySearch books, get book information, covers, and author details for building library applications and book catalogs. |
None | Easy |
| Google Books | Search and access book information from Google's book databaseBuild book search engines, reading lists, and book recommendation systems. |
API Key | Easy |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| Alpha Vantage | Stock market data, forex, and cryptocurrency informationGet real-time and historical stock prices, technical indicators, and financial data for building trading applications. |
API Key | Easy |
| IEX Cloud | Financial data including stocks, ETFs, and market statisticsAccess comprehensive financial market data for building investment tracking and analysis tools. |
API Key | Easy |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| Google Calendar | Calendar management and event schedulingIntegrate calendar functionality, create events, manage schedules, and build scheduling applications. |
OAuth | Medium |
| Calendarific | Public holidays and observances for 230+ countriesGet holiday information and observances to enhance calendar applications and scheduling systems. |
API Key | Easy |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| Dropbox | File storage and sharing platform integrationAdd file upload, sharing, and synchronization features to your applications. |
OAuth | Medium |
| Google Drive | File storage and collaboration platformIntegrate Google Drive functionality for file management, sharing, and collaboration features. |
OAuth | Medium |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| JSONPlaceholder | Fake REST API for testing and prototypingPerfect for frontend development, testing, and learning. Provides fake posts, comments, users, and more. |
None | Easy |
| httpbin | HTTP request and response testing serviceTest HTTP libraries, debug requests, and understand HTTP behavior with various endpoints. |
None | Easy |
| ReqRes | Test your front-end against a real APISimulate real API responses for user management, authentication testing, and API integration testing. |
None | Easy |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| Dictionary API | Free English dictionary with definitions, pronunciations, and examplesAdd dictionary functionality to your applications with word definitions, phonetics, and usage examples. |
None | Easy |
| Google Translate | Language translation service supporting 100+ languagesAdd translation capabilities to your applications for international users. |
API Key | Easy |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| EmailJS | Send emails directly from client-side JavaScriptSend emails from frontend applications without backend infrastructure. Great for contact forms and notifications. |
API Key | Easy |
| Mailgun | Email delivery service for developersSend transactional emails, newsletters, and notifications with high deliverability rates. |
API Key | Easy |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| The Movie Database (TMDb) | Movie and TV show database with images, ratings, and metadataBuild movie recommendation systems, entertainment apps, and media catalogs with comprehensive film and TV data. |
API Key | Easy |
| TV Maze | TV show information including episodes, cast, and schedulesGet detailed TV show information, episode guides, and cast details for entertainment applications. |
None | Easy |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| OpenWeatherMap | Weather data including current conditions, forecasts, and historical dataAdd weather information to your applications with current conditions, forecasts, and weather maps. |
API Key | Easy |
| AirVisual | Air quality data for cities worldwideGet real-time air quality information, pollution data, and health recommendations. |
API Key | Easy |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| Fixer.io | Foreign exchange rates and currency conversionGet real-time and historical exchange rates for building currency converters and financial applications. |
API Key | Easy |
| CurrencyAPI | Real-time and historical currency exchange ratesAccess accurate currency data for e-commerce, financial apps, and international business applications. |
API Key | Easy |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| Spoonacular | Food and recipe data with nutrition informationBuild recipe apps, meal planners, and nutrition trackers with detailed food and recipe data. |
API Key | Easy |
| TheCocktailDB | Cocktail recipes and drink informationGet cocktail recipes, ingredients, and drink information for building bar and recipe applications. |
None/API Key | Easy |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| RAWG | Video game database with ratings, screenshots, and metadataBuild gaming applications with comprehensive video game data, reviews, and media. |
API Key | Easy |
| Comic Vine | Comic book database with characters, issues, and publishersAccess comic book information for building comic databases and recommendation systems. |
API Key | Medium |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| Mapbox | Maps, geocoding, and location servicesAdd interactive maps, geocoding, and navigation features to your applications with customizable styling. |
API Key | Medium |
| OpenStreetMap Nominatim | Free geocoding service using OpenStreetMap dataConvert addresses to coordinates and vice versa using open-source mapping data. |
None | Easy |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| REST Countries | Country information including flags, currencies, and demographicsGet comprehensive country data for building educational apps, travel applications, and geographical tools. |
None | Easy |
| US Census | US demographic and economic dataAccess population, economic, and demographic data for research and analysis applications. |
None/API Key | Medium |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| Disease.sh | COVID-19 and disease statisticsGet global disease data, COVID-19 statistics, and health information for building health tracking applications. |
None | Easy |
| FHIR | Healthcare interoperability standard for medical dataAccess and exchange healthcare information using industry-standard medical data formats. |
Varies | Hard |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| GitHub Jobs | Developer job listings from GitHubAccess tech job postings and build job search applications for developers. |
None | Easy |
| Adzuna | Job search data and salary informationGet job listings, salary data, and employment statistics for building career platforms. |
API Key | Easy |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| Last.fm | Music metadata, user listening data, and recommendationsBuild music discovery apps, scrobbling services, and music recommendation systems. |
API Key | Easy |
| Lyrics.ovh | Song lyrics databaseGet song lyrics for music applications and karaoke systems. |
None | Easy |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| NewsAPI | News articles from thousands of sources worldwideBuild news aggregators, current events apps, and media monitoring tools with real-time news data. |
API Key | Easy |
| Guardian API | Access to The Guardian's content and archivesGet articles, multimedia content, and editorial data from The Guardian newspaper. |
API Key | Easy |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| World Bank | Global development data and statisticsAccess economic, social, and development indicators for countries worldwide. |
None | Easy |
| Data.gov | US government open dataAccess thousands of government datasets covering various topics and departments. |
None/API Key | Easy |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| Libraries.io | Open source package and dependency dataTrack open source projects, dependencies, and package information across multiple package managers. |
API Key | Easy |
| GitLab API | GitLab project and repository managementAccess GitLab repositories, issues, merge requests, and CI/CD data for building developer tools. |
OAuth/Token | Medium |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| Twilio | SMS, voice, and communication servicesSend SMS messages, make voice calls, and build communication features into your applications. |
API Key | Easy |
| TextBelt | Free SMS API for sending text messagesSend SMS messages programmatically with a simple REST API. |
None/API Key | Easy |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| Pexels | Free stock photography and videosAccess thousands of high-quality free photos and videos for your projects and applications. |
API Key | Easy |
| Pixabay | Free images, vectors, and videosGet royalty-free images, illustrations, and videos for commercial and personal use. |
API Key | Easy |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| GitHub | Code repositories, issues, and development dataBuild developer tools, portfolio sites, and code analysis applications with comprehensive GitHub data. |
OAuth/Token | Medium |
| Stack Overflow | Programming Q&A data from Stack OverflowAccess questions, answers, and programming knowledge from the largest developer community. |
None/API Key | Easy |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| NASA | Space and astronomy data from NASAAccess space images, astronomical data, and NASA mission information for educational and space applications. |
API Key | Easy |
| Numbers API | Interesting facts about numbersGet mathematical facts, date facts, and trivia about numbers for educational applications. |
None | Easy |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| Best Buy | Product information and pricing from Best BuyAccess product catalogs, pricing, and availability data for building price comparison and shopping applications. |
API Key | Easy |
| eBay | Marketplace data and product listingsAccess eBay listings, pricing data, and marketplace information for e-commerce applications. |
OAuth | Hard |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| Twitter API | Tweet data, user information, and social media analyticsBuild social media tools, sentiment analysis applications, and Twitter integrations. |
OAuth | Hard |
Reddit posts, comments, and community dataAccess Reddit content for building social media analytics, content aggregators, and community tools. |
OAuth | Medium |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| ESPN | Sports scores, statistics, and newsGet live sports data, player statistics, and sports news for building sports applications. |
None | Easy |
| Football-Data | Soccer/football match data and statisticsAccess fixture lists, match results, and team statistics for soccer applications. |
API Key | Easy |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| JSONPlaceholder | Fake REST API for testing and prototypingPerfect for learning, testing, and prototyping with fake posts, comments, albums, photos, todos, and users. |
None | Easy |
| Random User Generator | Generate random user data for testingGet realistic user profiles with photos, names, addresses, and contact information for testing applications. |
None | Easy |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| Natural Language API | Text analysis including sentiment, entities, and syntaxAnalyze text for sentiment, extract entities, and understand document structure using Google's ML models. |
API Key | Medium |
| Perspective API | Toxicity and comment analysisIdentify toxic comments and analyze text for harmful content to improve online conversations. |
API Key | Easy |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| AfterShip | Shipment tracking across multiple carriersTrack packages from various shipping carriers and provide delivery updates in your applications. |
API Key | Easy |
| 17track | Global package tracking serviceTrack shipments from international and domestic carriers worldwide. |
API Key | Easy |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| Amadeus | Flight search, hotel booking, and travel dataBuild travel applications with flight search, hotel availability, and destination information. |
API Key | Medium |
| Rome2rio | Multi-modal transport search and routingFind transportation options between destinations including flights, trains, buses, and driving directions. |
API Key | Medium |
| Skyscanner | Flight search and travel booking platformSearch flights, compare prices, and access travel data for building travel booking applications. |
API Key | Medium |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| TinyURL | URL shortening serviceCreate short URLs and track click statistics for link management applications. |
None | Easy |
| Bitly | URL shortening with analytics and custom domainsShorten URLs, track clicks, and analyze link performance with detailed analytics. |
OAuth | Medium |
| Is.gd | Simple URL shortening serviceBasic URL shortening without registration requirements. |
None | Easy |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| NHTSA | Vehicle information and safety ratingsGet vehicle specifications, safety ratings, and recall information from the National Highway Traffic Safety Administration. |
None | Easy |
| CarMD | Vehicle diagnostic and maintenance informationAccess vehicle diagnostic data, maintenance schedules, and repair cost estimates. |
API Key | Medium |
| API | Description | Auth | Difficulty |
|---|---|---|---|
| YouTube Data API | YouTube video data, channel information, and analyticsBuild video applications, analytics dashboards, and YouTube integrations with comprehensive video platform data. |
API Key | Easy |
| Vimeo | Video hosting and streaming platformUpload, manage, and stream videos with Vimeo's professional video platform. |
OAuth | Medium |
| Daily.co | Video calling and live streaming APIAdd video calls, live streaming, and real-time communication to your applications. |
API Key | Medium |
Here are some powerful API combinations that work great together:
- OpenAI API + Eleven Labs = AI chatbots with voice responses
- Hugging Face + Unsplash = AI image analysis with stock photos
- Google Translate + Natural Language API = Multi-language sentiment analysis
- RAWG + Twitch API = Gaming community platforms
- Spotify + Last.fm = Music discovery and social features
- YouTube + TMDb = Entertainment content platforms
- Stripe + SendGrid = E-commerce with email notifications
- Google Maps + Twilio = Location-based SMS services
- GitHub + Slack = Developer productivity tools
- Liveblocks + Pusher = Real-time collaborative applications
- Instagram + Unsplash = Social media content tools
- Twitter + Sentiment Analysis = Social media monitoring
| Difficulty | Description | Typical Requirements |
|---|---|---|
| Easy | Simple REST API, good documentation, minimal setup | API key registration, basic HTTP requests |
| Medium | OAuth flow, more complex endpoints, moderate setup | OAuth implementation, token management |
| Hard | Complex authentication, extensive documentation, advanced features | Advanced OAuth, webhooks, complex data structures |
- Start with Easy APIs: Begin with APIs marked as "Easy" to get familiar with API integration
- Read the Documentation: Always check the official documentation for rate limits, authentication, and best practices
- Test in Postman: Use tools like Postman or Insomnia to test APIs before implementing them in your code
- Handle Errors Gracefully: Always implement proper error handling and respect rate limits
- Keep API Keys Secure: Never expose API keys in client-side code or public repositories
- Issues: Report bugs or request new APIs via GitHub Issues
- Discussions: Join community discussions for API recommendations and help on Slack
- Pull Requests: Contribute new APIs or improve existing documentation
- Star the Repository: Help others discover this resource
- Thanks to all API providers for offering free access to their services
- Community contributors who help maintain and expand this list
- Developers who use these APIs to build amazing applications
- To all the API fellows from the Keploy API Fellowship program for their research and contributions to the community
Made with ❤️ by the Keploy Community and the API Fellows