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Discover Free Public APIs

Browse 900+ free APIs across 50+ categories including weather, finance, games, music, AI, and more. Click any icon below to learn more, or use the search page to filter and find the perfect API for your project. New to APIs? Check out our guides or beginner's guide.

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Browse APIs by Category

Explore our full directory of free public APIs organized by category. Click any category to see all available APIs, or click an API name to visit it directly.

Development 97 APIs

Games & Comics 88 APIs

Geocoding 66 APIs

  • Actinia Grass GIS — Actinia is an open source REST API for geographical data that uses GRASS GIS
  • Airtel IP — IP Geolocation API. Collecting data from multiple sources
  • Apiip — Get location information by IP address
  • Battuta — A (country/region/city) in-cascade location API
  • BigDataCloud — Provides fast and accurate IP geolocation APIs along with security checks and confidence area
  • View all 66 Geocoding APIs →

Transportation 65 APIs

Cryptocurrency 62 APIs

Government 48 APIs

Video 40 APIs

Social 37 APIs

Finance 36 APIs

Security 36 APIs

Music 33 APIs

Weather 29 APIs

Sports & Fitness 28 APIs

Documents & Productivity 25 APIs

Open Data 25 APIs

  • 18F — Unofficial US Federal Government API Development
  • API Setu — An Indian Government platform that provides a lot of APIS for KYC, business, education & employment
  • Archive.org — The Internet Archive
  • Black History Facts — Contribute or search one of the largest black history fact databases on the web
  • BotsArchive — JSON formatted details about Telegram Bots available in database
  • View all 25 Open Data APIs →

Photography 24 APIs

Science & Math 24 APIs

Business 22 APIs

Health 22 APIs

Books 21 APIs

Animals 19 APIs

Anime 19 APIs

URL Shorteners 19 APIs

Food & Drink 18 APIs

Machine Learning 18 APIs

Personality 18 APIs

Jobs 17 APIs

News 17 APIs

Test Data 17 APIs

Currency Exchange 16 APIs

Art & Design 15 APIs

Cloud Storage & File Sharing 15 APIs

Email 15 APIs

Environment 14 APIs

  • BreezoMeter Pollen — Daily Forecast pollen conditions data for a specific location
  • CO2 Offset — API calculates and validates the carbon footprint
  • Carbon Interface — API to calculate carbon (C02) emissions estimates for common C02 emitting activities
  • Climatiq — Calculate the environmental footprint created by a broad range of emission-generating activities
  • Cloverly — API calculates the impact of common carbon-intensive activities in real time
  • View all 14 Environment APIs →

Anti-Malware 13 APIs

Shopping 13 APIs

  • Best Buy — Products, Buying Options, Categories, Recommendations, Stores and Commerce
  • Digi-Key — Retrieve price and inventory of electronic components as well as place orders
  • Dummy Products — An api to fetch dummy e-commerce products JSON data with placeholder images
  • Etsy — Manage shop and interact with listings
  • Flipkart Marketplace — Product listing management, Order Fulfilment in the Flipkart Marketplace
  • View all 13 Shopping APIs →

Blockchain 11 APIs

Text Analysis 11 APIs

Calendar 10 APIs

Dictionaries 10 APIs

Tracking 9 APIs

  • Aftership — API to update, manage and track shipment efficiently
  • Correios — Integration to provide information and prepare shipments using Correio's services
  • Pixela — API for recording and tracking habits or effort, routines
  • PostNord — Provides information about parcels in transport for Sweden and Denmark
  • PostalPinCode — API for getting Pincode details in India
  • View all 9 Tracking APIs →

Entertainment 8 APIs

Continuous Integration 6 APIs

  • Azure DevOps Health — Resource health helps you diagnose and get support when an Azure issue impacts your resources
  • Bitrise — Build tool and processes integrations to create efficient development pipelines
  • Buddy — The fastest continuous integration and continuous delivery platform
  • CircleCI — Automate the software development process using continuous integration and continuous delivery
  • Codeship — Codeship is a Continuous Integration Platform in the cloud
  • View all 6 Continuous Integration APIs →

Open Source Projects 6 APIs

Vehicle 6 APIs

Data Validation 5 APIs

  • Postman Echo — Test api server to receive and return value from HTTP method
  • US Autocomplete — Enter address data quickly with real-time address suggestions
  • US Extract — Extract postal addresses from any text including emails
  • US Street Address — Validate and append data for any US postal address
  • vatlayer — VAT number validation

Patent 4 APIs

  • EPO — European patent search system api
  • PatentsView — API is intended to explore and visualize trends/patterns across the US innovation landscape
  • TIPO — Taiwan patent search system api
  • USPTO — USA patent api services

Programming 4 APIs

  • Codeforces — Get access to Codeforces data
  • Hackerearth — For compiling and running code in several languages
  • KONTESTS — For upcoming and ongoing competitive coding contests
  • Mintlify — For programmatically generating documentation for code

Authentication & Authorization 3 APIs

Phone 3 APIs

Events 2 APIs