CORE
Science & MathAccess the world's Open Access research papers.
Cooper Hewitt
Art & DesignSmithsonian Design Museum.
Contentful Images
DevelopmentUsed to retrieve and apply transformations to images.
Complete Criminal Checks
SecurityProvides data of offenders from all U.S. States and Puerto Rico.
Community Transit
TransportationTransitland API.
Comic Vine
Games & ComicsComics.
ColourLovers
Art & DesignGet various patterns, palettes and images.
ColorfulClouds
WeatherWeather.
Colorado Information Marketplace
GovernmentColorado State Government Open Data.
Collins
DictionariesBilingual Dictionary and Thesaurus Data.
CollegeScoreCard.ed.gov
Open DataData on higher education institutions in the United States.
CollegeFootballData.com
Sports & FitnessUnofficial detailed American college football statistics, records, and results API.
Coinremitter
CryptocurrencyCryptocurrencies Payment & Prices.
CoinRanking
CryptocurrencyLive Cryptocurrency data.
Coinpaprika
CryptocurrencyCryptocurrencies prices, volume and more.
CoinMarketCap
CryptocurrencyCryptocurrencies Prices.
Coinlore
CryptocurrencyCryptocurrencies prices, volume and more.
Coinlib
CryptocurrencyCrypto Currency Prices.
Coinigy
CryptocurrencyInteracting with Coinigy Accounts and Exchange Directly.
CoinGecko
CryptocurrencyCryptocurrency Price, Market, and Developer/Social Data.
CoinDCX
CryptocurrencyCryptocurrency Trading Platform.
CoinCap
CryptocurrencyReal time Cryptocurrency prices through a RESTful API.
Coinbase Pro
CryptocurrencyCryptocurrency Trading Platform.
Coinbase
CryptocurrencyBitcoin, Bitcoin Cash, Litecoin and Ethereum Prices.
CoinAPI
CryptocurrencyAll Currency Exchanges integrate under a single api.
Coffee
Food & DrinkRandom pictures of coffee.
Codex
DevelopmentOnline Compiler for Various Languages.
Codeship
Continuous IntegrationCodeship is a Continuous Integration Platform in the cloud.
Codeforces
ProgrammingGet access to Codeforces data.
Code.gov
GovernmentThe primary platform for Open Source and code sharing for the U.S. Federal Government.