In software development, accessing the right tools and resources can significantly accelerate your projects. APIs (Application Programming Interfaces) play a crucial role in enabling developers to integrate diverse functionalities without building everything from scratch. This guide provides a list of 100+ free APIs for developers in 2025, spanning various categories—from artificial intelligence and weather data to finance, music, and sports.
Table of Contents
- Public APIs for Open Data
- Weather APIs
- News APIs
- Finance & Cryptocurrency APIs
- AI & NLP APIs
- Health APIs
- Food & Recipe APIs
- Image & Video APIs
- Social Media APIs
- Entertainment APIs
- Developer Tools APIs
- Music APIs
- E-Commerce APIs
- Education APIs
- Sports APIs
- Miscellaneous APIs
Public APIs for Open Data
Access a variety of open datasets to enrich your applications with diverse information.
| API Name | Description | Link |
|---|---|---|
| OpenStreetMap API | Open map data for geolocation. | OpenStreetMap API |
| NASA API | Space data, images, and mission information. | NASA API |
| Data.gov | U.S. government open datasets. | Data.gov |
| World Bank API | Economic and country-level data. | World Bank API |
| UN Data API | Access global development data. | UN Data |
| GeoNames API | Geographic location and postal data. | GeoNames API |
| Open Library API | Books, covers, and library metadata. | Open Library API |
| European Union Open Data Portal | Access to EU datasets across various sectors. | EU Open Data Portal |
| DataHub.io | A hub for various open datasets. | DataHub.io |
Weather APIs
Integrate real-time and historical weather data into your applications.
| API Name | Description | Link |
|---|---|---|
| OpenWeatherMap | Weather data and forecasts. | OpenWeatherMap |
| WeatherAPI | Real-time weather and historical data. | WeatherAPI |
| Storm Glass API | Marine and coastal weather data. | Storm Glass |
| Visual Crossing | Historical weather and analytics. | Visual Crossing |
| Weatherbit API | Forecasts and real-time data. | Weatherbit |
| AccuWeather API | Comprehensive weather forecasts and data. | AccuWeather API |
| Climacell API | Hyper-accurate weather data with various parameters. | Climacell |
News APIs
Stay updated with the latest news from around the world by integrating these news APIs.
| API Name | Description | Link |
|---|---|---|
| NewsAPI | Aggregates news headlines globally. | NewsAPI |
| GNews API | Real-time global news updates. | GNews API |
| The Guardian API | Access The Guardian’s articles and content. | The Guardian API |
| Currents API | Breaking news and trending stories. | Currents API |
| New York Times API | Fetch NYT articles, archives, and metadata. | NYT API |
| Bing News Search API | Search for news articles across the web. | Bing News API |
| ContextualWeb News API | Access a vast range of news articles with filters. | ContextualWeb News API |
Finance and Cryptocurrency APIs
Access financial data, stock information, and cryptocurrency market insights.
| API Name | Description | Link |
|---|---|---|
| CoinGecko | Crypto market and exchange data. | CoinGecko |
| Alpha Vantage | Stock and forex data. | Alpha Vantage |
| Fixer API | Foreign exchange rates. | Fixer API |
| Nomics API | Crypto asset prices and information. | Nomics API |
| Finnhub API | Real-time financial data for stocks, forex, and crypto. | Finnhub API |
| IEX Cloud API | Stock market data and financial information. | IEX Cloud API |
| Kraken API | Cryptocurrency exchange data and trading. | Kraken API |
| Polygon.io | Real-time and historical market data for stocks. | Polygon.io |
| Yahoo Finance API | Comprehensive financial data and stock information. | Yahoo Finance API |
AI and NLP APIs
Enhance your applications with artificial intelligence and natural language processing capabilities.
| API Name | Description | Link |
|---|---|---|
| OpenAI API | Access GPT models for text generation. | OpenAI API |
| DeepAI | AI-powered tools for analysis and generation. | DeepAI |
| Wit.ai | NLP for building voice and text applications. | Wit.ai |
| TensorFlow.js | JavaScript AI models and training. | TensorFlow.js |
| Clarifai API | AI for image recognition and tagging. | Clarifai API |
| IBM Watson API | Comprehensive AI and machine learning tools. | IBM Watson |
| Google Cloud AI | Various AI and machine learning APIs. | Google Cloud AI |
| Microsoft Azure Cognitive Services | AI services for vision, speech, language, and more. | Azure Cognitive Services |
| Hugging Face API | Access to a wide range of NLP models. | Hugging Face |
| DeepL API | Advanced translation and language processing. | DeepL API |
Health APIs
Integrate health-related data and functionalities into your applications.
| API Name | Description | Link |
|---|---|---|
| HealthCare.gov API | Access healthcare data and resources. | HealthCare.gov API |
| OpenFDA API | Access to FDA datasets on drugs, devices, and more. | OpenFDA API |
| Nutritionix API | Nutrition data for food and restaurants. | Nutritionix API |
| MedlinePlus API | Health information and medical data. | MedlinePlus API |
| Disease.sh API | COVID-19 and other disease-related data. | Disease.sh API |
| Human API | Personal health data aggregation. | Human API |
| Infermedica API | Symptom checker and preliminary diagnosis. | Infermedica API |
| Fitbit API | Access fitness and health data from Fitbit devices. | Fitbit API |
Food & Recipe APIs
Access a variety of food, recipe, and nutrition data to enhance culinary applications.
| API Name | Description | Link |
|---|---|---|
| Spoonacular API | Comprehensive food, recipe, and nutrition data. | Spoonacular API |
| Edamam API | Nutrition and recipe data. | Edamam API |
| TheMealDB API | Open database for meal recipes. | TheMealDB API |
| Recipe Puppy API | Simple API for searching recipes. | Recipe Puppy API |
| Yummly API | Extensive recipe and ingredient data. | Yummly API (Note: Yummly API access may be limited) |
| FatSecret API | Nutrition and diet data for food tracking. | FatSecret API |
| Tasty API | Access to Tasty’s recipe database. | Tasty API (Unofficial) |
| BigOven API | Recipe search and meal planning tools. | BigOven API |
Image and Video APIs
Enhance your projects with powerful image and video functionalities.
| API Name | Description | Link |
|---|---|---|
| Unsplash API | Access a library of high-quality, free-to-use images. | Unsplash API |
| Giphy API | Access thousands of GIFs and stickers. | Giphy API |
| Pixabay API | Free images and videos for your projects. | Pixabay API |
| Pexels API | Free stock photos and videos. | Pexels API |
| Flickr API | Access to Flickr’s vast photo library. | Flickr API |
| Imgur API | Image hosting and sharing platform. | Imgur API |
| Unsplash API | Access a library of high-quality, free-to-use images. | Unsplash API |
| Cloudinary API | Manage and deliver images and videos. | Cloudinary API |
| YouTube Data API | Access YouTube videos, playlists, and channels. | YouTube Data API |
| Vimeo API | Access Vimeo’s video hosting services. | Vimeo API |
| Microsoft Azure Computer Vision API | Advanced image analysis and recognition. | Azure Computer Vision |
Social Media APIs
Integrate social media functionalities and data from various platforms.
| API Name | Description | Link |
|---|---|---|
| Twitter API | Access tweets, user profiles, and more. | Twitter API |
| Facebook Graph API | Access Facebook’s social graph data. | Facebook Graph API |
| Instagram Graph API | Access Instagram user data and media. | Instagram Graph API |
| LinkedIn API | Professional networking data and integrations. | LinkedIn API |
| Reddit API | Access Reddit posts, comments, and user data. | Reddit API |
| TikTok for Developers | Integrate TikTok features and data. | TikTok for Developers |
| Pinterest API | Access Pinterest boards, pins, and user data. | Pinterest API |
| Snapchat API | Integrate Snapchat features and data. | Snapchat API |
| Discord API | Create bots and integrate with Discord servers. | Discord API |
| Twitch API | Access Twitch streams, clips, and user data. | Twitch API |
Entertainment APIs
Access a wide range of entertainment data, including movies, music, and gaming information.
| API Name | Description | Link |
|---|---|---|
| The Movie Database (TMDb) API | Access movie, TV, and actor data. | TMDb API |
| OMDb API | Open Movie Database for film data. | OMDb API |
| Spotify API | Access music tracks, playlists, and user data. | Spotify API |
| Last.fm API | Music tracking and recommendation data. | Last.fm API |
| RAWG Video Games Database API | Extensive video game data and metadata. | RAWG API |
| IGDB API | Internet Games Database for game information. | IGDB API |
| BoardGameGeek API | Access board game data and reviews. | BoardGameGeek API |
| TVMaze API | TV show data and scheduling information. | TVMaze API |
| Lyrics.ovh API | Fetch song lyrics by artist and title. | Lyrics.ovh API |
| OpenAI DALL·E API | Generate images from textual descriptions. | OpenAI DALL·E API |
Developer Tools APIs
Enhance your development workflow with powerful tools and integrations.
| API Name | Description | Link |
|---|---|---|
| GitHub API | Access repositories, issues, and user data on GitHub. | GitHub API |
| GitLab API | Manage GitLab projects and CI/CD pipelines. | GitLab API |
| Bitbucket API | Access Bitbucket repositories and user data. | Bitbucket API |
| Jira API | Manage Jira projects, issues, and workflows. | Jira API |
| Trello API | Access Trello boards, lists, and cards. | Trello API |
| Slack API | Build Slack apps and integrate with Slack workspaces. | Slack API |
| Zapier API | Automate workflows between different apps. | Zapier API |
| Postman API | Manage Postman collections and environments. | Postman API |
| Travis CI API | Access Travis CI build data and configurations. | Travis CI API |
| CircleCI API | Manage CircleCI projects and pipelines. | CircleCI API |
| Docker Hub API | Access Docker repositories and image data. | Docker Hub API |
| AWS SDKs & APIs | Access Amazon Web Services functionalities. | AWS APIs |
Music APIs
Access extensive music data, including tracks, playlists, and lyrics.
| API Name | Description | Link |
|---|---|---|
| Spotify API | Access music tracks, playlists, and user data. | Spotify API |
| Last.fm API | Music tracking and recommendation data. | Last.fm API |
| Deezer API | Access Deezer’s music catalog and user data. | Deezer API |
| SoundCloud API | Access tracks, playlists, and user data on SoundCloud. | SoundCloud API |
| Musixmatch API | Fetch song lyrics and metadata. | Musixmatch API |
| iTunes Search API | Search for music, apps, and other media on iTunes. | iTunes Search API |
| Napster API | Access Napster’s music streaming data. | Napster API |
| Genius API | Access song lyrics and annotations. | Genius API |
| Discogs API | Comprehensive music database for artists and releases. | Discogs API |
| Jamendo API | Free music streaming and licensing. | Jamendo API |
E-Commerce APIs
Build robust e-commerce solutions with these APIs covering payments, product data, and more.
| API Name | Description | Link |
|---|---|---|
| Shopify API | Manage Shopify stores, products, and orders. | Shopify API |
| WooCommerce API | Access WooCommerce store data and functionalities. | WooCommerce API |
| Stripe API | Payment processing and financial transactions. | Stripe API |
| PayPal API | Payment gateways and transaction management. | PayPal API |
| Square API | Payment processing and point-of-sale data. | Square API |
| Amazon Product Advertising API | Access Amazon product data and advertising tools. | Amazon PA API |
| eBay API | Manage eBay listings, orders, and user data. | eBay API |
| BigCommerce API | Access BigCommerce store data and functionalities. | BigCommerce API |
| Etsy API | Manage Etsy shops, listings, and transactions. | Etsy API |
| Magento API | Access Magento e-commerce platform data. | Magento API |
| Klarna API | Payment solutions and checkout services. | Klarna API |
| Shopify Storefront API | Build custom storefronts with Shopify data. | Storefront API |
Education APIs
Enhance educational platforms with access to courses, learning resources, and more.
| API Name | Description | Link |
|---|---|---|
| Khan Academy API | Access learning resources and videos. | Khan Academy |
| OpenAI Datasets | Learning datasets for AI and development. | OpenAI |
| Edamam API | Nutrition and education content. | Edamam API |
| RestCountries API | Get country details for education purposes. | RestCountries API |
| Google Books API | Search books and retrieve data. | Google Books |
| Coursera API | Access Coursera course data and information. | Coursera API |
| Udemy API | Access Udemy course data and user information. | Udemy API (Unofficial APIs available) |
| OpenCourseWare API | Access MIT OpenCourseWare data and resources. | OpenCourseWare (Data scraping may be required) |
| Blackboard API | Access Blackboard learning management system data. | Blackboard API |
| Moodle API | Integrate with Moodle’s learning platform. | Moodle API |
| Quizlet API | Access Quizlet’s study sets and user data. | Quizlet API |
| Duolingo API | Access language learning data and user progress. | Duolingo API (Unofficial) |
Sports APIs
Integrate comprehensive sports data and live updates into your applications.
| API Name | Description | Link |
|---|---|---|
| Football-Data.org | Football and league data. | Football Data |
| TheSportsDB API | Sports teams, players, and scores. | TheSportsDB |
| NBA API | Stats and information for NBA games. | NBA API |
| Api-Football | Live scores and football updates. | API Football |
| ESPN API | Sports data for major events. | ESPN API (Unofficial APIs available) |
| MLB API | Major League Baseball data and statistics. | MLB API |
| Sportradar API | Comprehensive sports data and live updates. | Sportradar API |
| Cricket API | Access cricket match data and statistics. | Cricket API |
| NHL API | National Hockey League data and information. | NHL API |
| Golf Data API | Access golf tournament and player data. | Golf Data API |
| Formula 1 API | Formula 1 race data and standings. | Ergast Developer API |
| Rugby API | Rugby match data and statistics. | Rugby API |
Miscellaneous APIs
A diverse collection of APIs spanning various functionalities and niches.
| API Name | Description | Link |
|---|---|---|
| NASA API | Access space exploration data, images, and videos. | NASA API |
| Open Trivia Database API | Get trivia questions across multiple categories. | OpenTDB API |
| Time Zone DB API | Fetch time data for any region in the world. | Time Zone DB API |
| QR Code Generator API | Generate QR codes easily for any kind of data. | QR API |
| Advice Slip API | Fetch random pieces of advice, great for fun apps. | Advice Slip API |
| Brevo API | Build SMS systems, email campaigns, and secure forms. | Brevo API |
| Marvel API | Access Marvel Comics data including characters and series. | Marvel API |
| Dictionary API | Access word definitions, antonyms, and more. | Dictionary API |
| OCR Space API | Optical character recognition to extract text from images. | OCR API |
| Foursquare API | Access location data and user-generated content from Foursquare. | Foursquare API |
| Telegram Bot API | Create bots for the Telegram messaging platform. | Telegram Bot API |
| Slack API | Build apps for communication and team collaboration. | Slack API |
| Wolfram Alpha API | Access computational knowledge and data. | Wolfram Alpha API |
| Open Library API | Access metadata for millions of books and authors worldwide. | Open Library API |
| Oxford Dictionary API | Access word definitions and synonyms. | Oxford Dictionary API |
| URL Scan API | Scan and analyze URLs for phishing, malware, or security risks. | URL Scan API |
| Free Forex API | Get real-time forex and cryptocurrency exchange rates. | Free Forex API |
| Sunrise Sunset API | Fetch sunrise and sunset times for any location. | Sunrise Sunset API |
| Link Preview API | Fetch information for URLs such as title, description, and images for embedding. | Link Preview API |
| Fun Translation API | Translate text into fun languages like Yoda-speak. | Fun Translation API |
| IP Geolocation API | Get geolocation data based on IP addresses. | IP Geolocation API |
| Currency Layer API | Real-time and historical exchange rates. | Currency Layer API |
| OpenAI GPT-4 API | Advanced language understanding and generation capabilities. | OpenAI GPT-4 API |
| Mailchimp API | Manage email marketing campaigns and subscribers. | Mailchimp API |
| SendGrid API | Send and manage transactional and marketing emails. | SendGrid API |
| Twilio API | Build SMS, voice, and messaging applications. | Twilio API |
| Firebase API | Backend services for mobile and web applications. | Firebase API |
| Google Maps API | Embed maps, geolocation, and routing functionalities. | Google Maps API |
| Microsoft Graph API | Access Microsoft 365 services and data. | Microsoft Graph API |
| Dropbox API | Access and manage Dropbox files and data. | Dropbox API |
| Box API | File storage and management services. | Box API |
| Yelp Fusion API | Access business reviews, ratings, and data. | Yelp Fusion API |
| Eventbrite API | Manage events, attendees, and ticketing. | Eventbrite API |
| Meetup API | Access Meetup events, groups, and member data. | Meetup API |
| SendinBlue API | Email marketing and transactional messaging services. | SendinBlue API |
Wrapping Up
With 100+ APIs spanning a wide array of categories, you have the tools to build innovative projects, applications, and tools enriched with real-world data. Whether you’re developing a weather app, integrating financial data, or creating a social media platform, these APIs provides all necessary functionalities to supercharge your development workflow.