Public APIs
1,426 open APIs across 50 categories. Give your agent superpowers by connecting it to real-world data and services.
Cloverly
API KeyAPI calculates the impact of common carbon-intensive activities in real time
CMS.gov
API KeyAccess to the data from the CMS - medicare.gov
CO2 Offset
FreeAPI calculates and validates the carbon footprint
Code Detection API
OAuthDetect, label, format and enrich the code in your app or in your data pipeline
Code::Stats
API KeyAutomatic time tracking for programmers
Code.gov
API KeyThe primary platform for Open Source and code sharing for the U.S. Federal Government
Codeforces
API KeyGet access to Codeforces data
Codeship
API KeyCodeship is a Continuous Integration Platform in the cloud
Codex
FreeOnline Compiler for Various Languages
Coffee
FreeRandom pictures of coffee
CoinAPI
API KeyAll Currency Exchanges integrate under a single api
Coinbase
API KeyBitcoin, Bitcoin Cash, Litecoin and Ethereum Prices
Coinbase Pro
API KeyCryptocurrency Trading Platform
CoinCap
FreeReal time Cryptocurrency prices through a RESTful API
CoinDCX
API KeyCryptocurrency Trading Platform
CoinDesk
FreeCoinDesk's Bitcoin Price Index (BPI) in multiple currencies
CoinGecko
FreeCryptocurrency Price, Market, and Developer/Social Data
Coinigy
API KeyInteracting with Coinigy Accounts and Exchange Directly
Coinlib
API KeyCrypto Currency Prices
Coinlore
FreeCryptocurrencies prices, volume and more
CoinMarketCap
API KeyCryptocurrencies Prices
Coinpaprika
FreeCryptocurrencies prices, volume and more
CoinRanking
API KeyLive Cryptocurrency data
Coinremitter
API KeyCryptocurrencies Payment & Prices
CoinStats
FreeCrypto Tracker
CollegeFootballData.com
API KeyUnofficial detailed American college football statistics, records, and results API
CollegeScoreCard.ed.gov
FreeData on higher education institutions in the United States
Collins
API KeyBilingual Dictionary and Thesaurus Data
Colorado Information Marketplace
FreeColorado State Government Open Data
ColorfulClouds
API KeyWeather
Colormind
FreeColor scheme generator
ColourLovers
FreeGet various patterns, palettes and images
Comic Vine
FreeComics
Community Transit
FreeTransitland API
Compare Flight Prices
API KeyAPI for comparing flight prices across platforms
Complete Criminal Checks
API KeyProvides data of offenders from all U.S. States and Pureto Rico
Contentful Images
API KeyUsed to retrieve and apply transformations to images
Cooper Hewitt
API KeySmithsonian Design Museum
CORE
API KeyAccess the world's Open Access research papers
Coronavirus
FreeHTTP API for Latest Covid-19 Data
Coronavirus in the UK
FreeUK Government coronavirus data, including deaths and cases by region
Corporate Buzz Words
FreeREST API for Corporate Buzz Words
Correios
API KeyIntegration to provide information and prepare shipments using Correio's services
CORS Proxy
FreeGet around the dreaded CORS error by using this proxy as a middle man
CountAPI
FreeFree and simple counting service. You can use it to track page hits and specific events
Countly
FreeCountly web analytics
Country
FreeGet your visitor's country from their IP
CountryStateCity
API KeyWorld countries, states, regions, provinces, cities & towns in JSON, SQL, XML, YAML, & CSV format