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README.md

Public APIs Build Status

A collective list of free APIs for use in web development.

A JSON encoding of all entries can be found here.

For information on contributing to this project, please see the contributing guide.

Please note a passing build status indicates all listed APIs are available since the last update. A failing build status indicates that 1 or more services may be unavailable at the moment.

Index

Animals

API Description Auth HTTPS CORS Link
Dogs Based on the Stanford Dogs Dataset No Yes Unknown [Go!] (https://dog.ceo/dog-api/)
HTTPCat Cat for every HTTP Status No Yes Unknown [Go!] (https://http.cat/)
IUCN IUCN Red List of Threatened Species apiKey No Unknown [Go!] (http://apiv3.iucnredlist.org/api/v3/docs)
Movebank Movement and Migration data of animals No Yes Unknown [Go!] (https://github.com/movebank/movebank-api-doc)
Petfinder Adoption apiKey Yes Unknown [Go!] (https://www.petfinder.com/developers/api-docs/)
RescueGroups Adoption No Yes Unknown [Go!] (https://userguide.rescuegroups.org/display/APIDG/API+Developers+Guide+Home)

Anime

API Description Auth HTTPS CORS Link
AniList Anime discovery & tracking OAuth Yes Unknown [Go!] (https://github.com/AniList/ApiV2-GraphQL-Docs)
Jikan Unofficial MyAnimeList API No Yes Unknown [Go!] (https://jikan.me)
Kitsu Anime discovery platform OAuth Yes Unknown [Go!] (http://docs.kitsu.apiary.io/)
Studio Ghibli Resources from Studio Ghibli films No Yes Unknown [Go!] (https://ghibliapi.herokuapp.com)

Anti-Malware

API Description Auth HTTPS CORS Link
AlienVault Open Threat Exchange (OTX) IP/domain/URL reputation apiKey Yes Unknown [Go!] (https://otx.alienvault.com/api/)
Certly Certly Link/Domain Flagging apiKey Yes Unknown [Go!] (https://guard.certly.io/)
Google Safe Browsing Google Link/Domain Flagging apiKey Yes Unknown [Go!] (https://developers.google.com/safe-browsing/)
Metacert Metacert Link Flagging apiKey Yes Unknown [Go!] (https://metacert.com/)
VirusTotal VirusTotal File/URL Analysis apiKey Yes Unknown [Go!] (https://www.virustotal.com/en/documentation/public-api/)
Web Of Trust (WOT) Website reputation apiKey Yes Unknown [Go!] (https://www.mywot.com/wiki/API)

Art & Design

API Description Auth HTTPS CORS Link
Behance Design apiKey Yes Unknown [Go!] (https://www.behance.net/dev)
Cooper Hewitt Smithsonian Design Museum apiKey Yes Unknown [Go!] (https://collection.cooperhewitt.org/api)
Dribbble Design OAuth No Unknown [Go!] (http://developer.dribbble.com/v1/)
Harvard Art Museums Art apiKey No Unknown [Go!] (https://github.com/harvardartmuseums/api-docs)
Iconfinder Icons apiKey Yes Unknown [Go!] (https://developer.iconfinder.com)
Icons8 Icons OAuth Yes Unknown [Go!] (http://docs.icons8.apiary.io/#reference/0/meta)
Noun Project Icons OAuth No Unknown [Go!] (http://api.thenounproject.com/index.html)
Rijksmuseum Art apiKey Yes Unknown [Go!] (https://www.rijksmuseum.nl/en/api)

Books

API Description Auth HTTPS CORS Link
BookNomads Books published in the Netherlands and Flanders (about 2.5 million), book covers, and related data No Yes Unknown [Go!] (https://www.booknomads.com/dev)
British National Bibliography Books No No Unknown [Go!] (http://bnb.data.bl.uk/)
Goodreads Books apiKey Yes Unknown [Go!] (https://www.goodreads.com/api)
Google Books Books OAuth Yes Unknown [Go!] (https://developers.google.com/books/)
Open Library Books, book covers, and related data No Yes Unknown [Go!] (https://openlibrary.org/developers/api)

Business

API Description Auth HTTPS CORS Link
Charity Search Non-profit charity data apiKey No Unknown [Go!] (http://charityapi.orghunter.com/)
Clearbit Logo Search for company logos and embed them in your projects No Yes Unknown [Go!] (https://clearbit.com/docs#logo-api)
Domainsdb.info Registered Domain Names Search No Yes Unknown [Go!] (https://domainsdb.info/)
Gmail Flexible, RESTful access to the user’s inbox OAuth Yes Unknown [Go!] (https://developers.google.com/gmail/api/)
Google Analytics Collect, configure, and analyze your data to reach the right audience OAuth Yes Unknown [Go!] (https://developers.google.com/analytics/)
mailgun Email Service apiKey Yes Unknown [Go!] (https://www.mailgun.com/)
markerapi Trademark Search No No Unknown [Go!] (http://www.markerapi.com/)
Trello Boards, lists, and cards to help you organize and prioritize your projects OAuth Yes Unknown [Go!] (https://developers.trello.com/)

Calendar

API Description Auth HTTPS CORS Link
Church Calendar Catholic liturgical calendar No No Unknown [Go!] (http://calapi.inadiutorium.cz/)
Czech and Slovak Namedays Calendar Lookup for a date and returns nameday No Yes Unknown [Go!] (https://api.abalin.net/)
Czech Namedays Calendar Lookup for a name and returns nameday date No No Unknown [Go!] (http://svatky.adresa.info/)
Google Calendar Display, create and modify Google calendar events OAuth Yes Unknown [Go!] (https://developers.google.com/google-apps/calendar/)
Hebrew Calendar Convert between Gregarian and Hebrew, fetch Shabbat and Holiday times, etc No No Unknown [Go!] (https://www.hebcal.com/home/developer-apis)
Holidays Historical data regarding holidays apiKey Yes Unknown [Go!] (https://holidayapi.com/)
LectServe Protestant liturgical calendar No No Unknown [Go!] (http://www.lectserve.com)
Non-Working Days Database of ICS files for non working days No Yes Unknown [Go!] (https://github.com/gadael/icsdb)

Cloud Storage & File Sharing

API Description Auth HTTPS CORS Link
Box File Sharing and Storage OAuth Yes Unknown [Go!] (https://developer.box.com/)
Dropbox File Sharing and Storage OAuth Yes Unknown [Go!] (https://www.dropbox.com/developers)
Google Drive File Sharing and Storage OAuth Yes Unknown [Go!] (https://developers.google.com/drive/)
OneDrive File Sharing and Storage OAuth Yes Unknown [Go!] (https://dev.onedrive.com/)
Pastebin Plain Text Storage apiKey Yes Unknown [Go!] (https://pastebin.com/api/)

Continuous Integration

API Description Auth HTTPS CORS Link
CircleCI Automate the software development process using continuous integration and continuous delivery apiKey Yes Unknown [Go!] (https://circleci.com/docs/api/v1-reference/)
Codeship Codeship is a Continuous Integration Platform in the cloud apiKey Yes Unknown [Go!] (https://apidocs.codeship.com/)
Travis CI Sync your GitHub projects with Travis CI to test your code in minutes apiKey Yes Unknown [Go!] (https://docs.travis-ci.com/api/)

Cryptocurrency

API Description Auth HTTPS CORS Link
BitcoinCharts Financial and Technical Data related to the Bitcoin Network No Yes Unknown [Go!] (https://bitcoincharts.com/about/exchanges/)
Bitfinex Cryptocurrency Trading Platform apiKey Yes Unknown [Go!] (https://docs.bitfinex.com/docs/introduction)
Block Bitcoin Payment, Wallet & Transaction Data apiKey Yes Unknown [Go!] (https://www.block.io/docs/basic)
Blockchain Bitcoin Payment, Wallet & Transaction Data No Yes Unknown [Go!] (https://www.blockchain.info/api)
Coinbase Bitcoin, Litecoin and Ethereum Prices apiKey Yes Unknown [Go!] (https://developers.coinbase.com)
CoinBin Cryptocurrency information No Yes Unknown [Go!] (https://coinbin.org/)
CoinDesk Bitcoin Price Index No No Unknown [Go!] (http://www.coindesk.com/api/)
CoinMarketCap Cryptocurrencies Prices No Yes Unknown [Go!] (https://coinmarketcap.com/api/)
CryptoCompare Cryptocurrencies Comparison No Yes Unknown [Go!] (https://www.cryptocompare.com/api#)
Cryptonator Cryptocurrencies Exchange Rates No Yes Unknown [Go!] (https://www.cryptonator.com/api/)
GDAX Cryptocurrency Trading Platform apiKey Yes Unknown [Go!] (https://docs.gdax.com/#api)
MercadoBitcoin Brazilian Cryptocurrency Information No Yes Unknown [Go!] (https://www.mercadobitcoin.net/api-doc/)

Currency Exchange

API Description Auth HTTPS CORS Link
1Forge Forex currency market data apiKey Yes Unknown [Go!] (https://1forge.com/forex-data-api/api-documentation)
Currencylayer Exchange rates and currency conversion apiKey Yes Unknown [Go!] (https://currencylayer.com/documentation)
Czech National Bank A collection of exchange rates No Yes Unknown [Go!] (https://www.cnb.cz/cs/financni_trhy/devizovy_trh/kurzy_devizoveho_trhu/denni_kurz.xml)
Fixer.io Exchange rates and currency conversion No Yes Unknown [Go!] (http://fixer.io)

Data Validation

API Description Auth HTTPS CORS Link
languagelayer Language detection No Yes Unknown [Go!] (https://languagelayer.com)
Lob.com US Address Verification apiKey Yes Unknown [Go!] (https://lob.com/)
mailboxlayer Email address validation No Yes Unknown [Go!] (https://mailboxlayer.com)
MailTest Email address validation No Yes Unknown [Go!] (http://mailtest.in/documentation/)
NumValidate Open Source phone number validation No Yes Unknown [Go!] (https://numvalidate.com)
numverify Phone number validation No Yes Unknown [Go!] (https://numverify.com)
PurgoMalum Content validator against profanity & obscenity No No Unknown [Go!] (http://www.purgomalum.com)
vatlayer VAT number validation No Yes Unknown [Go!] (https://vatlayer.com)

Development

API Description Auth HTTPS CORS Link
ApiLeap Make screenshots from web pages and HTML apiKey Yes Unknown [Go!] (https://apileap.com/)
APIs.guru Wikipedia for Web APIs, OpenAPI/Swagger specs for public APIs No Yes Unknown [Go!] (https://apis.guru/api-doc/)
BetterMeta Return a site’s meta tags in JSON format X-Mashape-Key Yes Unknown [Go!] (http://bettermeta.io)
Bitbucket Pull public information for a Bitbucket account No Yes Unknown [Go!] (https://api.bitbucket.org/2.0/users/karllhughes)
Browshot Easily make screenshots of web pages in any screen size, as any device apiKey Yes Unknown [Go!] (https://browshot.com/api/documentation)
CDNJS Library info on CDNJS No Yes Unknown [Go!] (https://api.cdnjs.com/libraries/jquery)
Changelogs.md Structured changelog metadata from open source projects No Yes Unknown [Go!] (https://changelogs.md)
Count.io Persistent counting and A/B testing No Yes Unknown [Go!] (https://count.io)
DigitalOcean Status Status of all DigitalOcean services No Yes Unknown [Go!] (https://status.digitalocean.com/api/v1)
DomainDb Info Domain name search to find all domains containing particular words/phrases/etc No Yes Unknown [Go!] (https://domainsdb.info/apidomainsdb/index.php)
Faceplusplus A tool to detect face OAuth Yes Unknown [Go!] (https://www.faceplusplus.com/)
Genderize.io Determines a gender from a first name No Yes Unknown [Go!] (https://genderize.io)
Github Information for a user’s Github profile No Yes Unknown [Go!] (https://developer.github.com/v3/)
Gitter Chat for GitHub OAuth Yes Unknown [Go!] (https://github.com/gitterHQ/docs)
HackerRank Compile source code and run against a set of provided test cases apiKey Yes Unknown [Go!] (https://www.hackerrank.com/api/docs)
HTTP2.Pro Test endpoints for client and server HTTP/2 protocol support No Yes Unknown [Go!] (https://http2.pro/doc/api)
import.io Retrieve structured data from a website or RSS feed apiKey Yes Unknown [Go!] (http://api.docs.import.io/)
IPify A simple IP Address API No Yes Unknown [Go!] (https://www.ipify.org/)
IPinfo Another simple IP Address API No Yes Unknown [Go!] (https://ipinfo.io/developers)
JSON 2 JSONP Convert JSON to JSONP (on-the-fly) for easy cross-domain data requests using client-side JavaScript No Yes Unknown [Go!] (https://json2jsonp.com/)
JSONbin.io Free JSON storage service. Ideal for small scale Web apps, Websites and Mobile apps apiKey Yes Unknown [Go!] (https://jsonbin.io)
Judge0 Compile and run source code No Yes Unknown [Go!] (https://api.judge0.com/)
Kairos Face Recognition and Emotion Analysis apiKey Yes Unknown [Go!] (https://www.kairos.com/features)
Let’s Validate Uncovers the technologies used on websites and URL to thumbnail No Yes Unknown [Go!] (https://github.com/letsvalidate/api)
LiveEdu Live Coding Streaming OAuth Yes Unknown [Go!] (https://www.liveedu.tv/developer/applications/)
Myjson A simple JSON store for your web or mobile app No No Unknown [Go!] (http://myjson.com/api)
Plino Spam filtering system No Yes Unknown [Go!] (https://plino.herokuapp.com/)
Public APIs A collective list of free JSON APIs for use in web development No Yes Unknown [Go!] (https://github.com/toddmotto/public-apis/tree/master/json)
QR code Generate and decode / read QR code graphics No Yes Unknown [Go!] (http://goqr.me/api/)
ReqRes A hosted REST-API ready to respond to your AJAX requests No Yes Unknown [Go!] (https://reqres.in/ )
Scrape Website Email Grabs email addresses from a URL X-Mashape-Key Yes Unknown [Go!] (https://market.mashape.com/tommytcchan/scrape-website-email)
SHOUTCLOUD ALL-CAPS AS A SERVICE No No Unknown [Go!] (http://shoutcloud.io/)
StackExchange Q&A forum for developers OAuth Yes Unknown [Go!] (https://api.stackexchange.com/)
Verse Check what’s the latest version of your favorite open-source project No Yes Unknown [Go!] (https://verse.pawelad.xyz/)
XML to JSON Integration developer utility APIs No Yes Unknown [Go!] (https://developers.wso2apistore.com/)

Dictionaries

API Description Auth HTTPS CORS Link
Oxford Dictionary Data apiKey Yes Unknown [Go!] (https://developer.oxforddictionaries.com/)
Wordnik Dictionary Data No No Unknown [Go!] (http://developer.wordnik.com)
Words Definitions and synonyms for more than 150,000 words apiKey Yes Unknown [Go!] (https://www.wordsapi.com/)

Documents & Productivity

API Description Auth HTTPS CORS Link
File.io File Sharing No Yes Unknown [Go!] (https://www.file.io)
Mercury Web parser apiKey Yes Unknown [Go!] (https://mercury.postlight.com/web-parser/)
pdflayer HTML/URL to PDF No Yes Unknown [Go!] (https://pdflayer.com)
Pocket Bookmarking service OAuth Yes Unknown [Go!] (https://getpocket.com/developer/)
PrexView Data from XML or JSON to PDF, HTML or Image apiKey Yes Unknown [Go!] (https://prexview.com)
Restpack Provides screenshot, HTML to PDF, and content extraction APIs apiKey Yes Unknown [Go!] (https://restpack.io/)
Todoist Todo Lists OAuth Yes Unknown [Go!] (https://developer.todoist.com)
Wunderlist Todo Lists OAuth Yes Unknown [Go!] (https://developer.wunderlist.com/documentation)

Environment

API Description Auth HTTPS CORS Link
AirVisual Air quality and weather data apiKey Yes Unknown [Go!] (https://airvisual.com/api)
OpenAQ Open air quality data apiKey Yes Unknown [Go!] (https://docs.openaq.org/)
PM2.5.in Air quality of China apiKey No Unknown [Go!] (http://www.pm25.in/api_doc)
UK Carbon Intensity The Official Carbon Intensity API for Great Britain developed by National Grid No Yes Unknown [Go!] (https://carbon-intensity.github.io/api-definitions/#carbon-intensity-api-v1-0-0)

Events

API Description Auth HTTPS CORS Link
Eventbrite Find events OAuth Yes Unknown [Go!] (https://www.eventbrite.com/developer/v3/)
Picatic Sell tickets anywhere apiKey Yes Unknown [Go!] (http://developer.picatic.com/?utm_medium=web&utm_source=github&utm_campaign=public-apis%20repo&utm_content=toddmotto)
Ticketmaster Search events, attractions, or venues apiKey Yes Unknown [Go!] (http://developer.ticketmaster.com/products-and-docs/apis/getting-started/)

Finance

API Description Auth HTTPS CORS Link
Alpha Vantage Realtime and historical stock data apiKey Yes Unknown [Go!] (https://www.alphavantage.co/)
Barchart OnDemand Stock, Futures, and Forex Market Data apiKey Yes Unknown [Go!] (https://www.barchartondemand.com/free)
Consumer Financial Protection Bureau Financial services consumer complains data apiKey Yes Unknown [Go!] (https://data.consumerfinance.gov/resource/jhzv-w97w.json)
IEX Stocks and Market Data No Yes Unknown [Go!] (https://iextrading.com/developer/)
IG Spreadbetting and CFD Market Data apiKey Yes Unknown [Go!] (https://labs.ig.com/gettingstarted)
Plaid Connect with users’ bank accounts and access transaction data apiKey Yes Unknown [Go!] (https://plaid.com/)
Razorpay IFSC Indian Financial Systems Code (Bank Branch Codes) No Yes Unknown [Go!] (https://ifsc.razorpay.com/)
RoutingNumbers.info ACH/NACHA Bank Routing Numbers No Yes Unknown [Go!] (https://www.routingnumbers.info/api/index.html)
VAT Rates A collection of all VAT rates for EU countries No Yes Unknown [Go!] (https://jsonvat.com/)

Food & Drink

API Description Auth HTTPS CORS Link
BigOven Recipe Search X-Mashape-Key No Unknown [Go!] (http://api2.bigoven.com/)
BreweryDB Beer apiKey No Unknown [Go!] (http://www.brewerydb.com/developers)
Edamam Recipe Search apiKey Yes Unknown [Go!] (https://developer.edamam.com/)
Food2Fork Recipe Search apiKey No Unknown [Go!] (http://food2fork.com/about/api)
LCBO Alcohol apiKey Yes Unknown [Go!] (https://lcboapi.com/)
Open Food Facts Food Products Database No Yes Unknown [Go!] (https://world.openfoodfacts.org/data)
PunkAPI Brewdog Beer Recipes No Yes Unknown [Go!] (https://punkapi.com/)
Recipe Puppy Food No No Unknown [Go!] (http://www.recipepuppy.com/about/api/)
TacoFancy Community-driven taco database No No Unknown [Go!] (https://github.com/evz/tacofancy-api)
The Report of the Week Food & Drink Reviews No Yes Unknown [Go!] (https://github.com/andyklimczak/TheReportOfTheWeek-API)
TheCocktailDB Cocktail Recipes apiKey No Unknown [Go!] (http://www.thecocktaildb.com/)
TheMealDB Meal Recipes apiKey No Unknown [Go!] (http://www.themealdb.com/)
What’s on the menu? NYPL human-transcribed historical menu collection apiKey No Unknown [Go!] (http://nypl.github.io/menus-api/)
Yummly Find food recipes apiKey Yes Unknown [Go!] (https://developer.yummly.com/)
Zomato Discover restaurants apiKey Yes Unknown [Go!] (https://developers.zomato.com/api)

Fraud Prevention

API Description Auth HTTPS CORS Link
Whitepages Pro Global identity verification with phone, address, email, and IP apiKey Yes Unknown [Go!] (https://pro.whitepages.com/developer/documentation/identity-check-api/)
Whitepages Pro Phone reputation to detect spammy phones apiKey Yes Unknown [Go!] (https://pro.whitepages.com/developer/documentation/phone-reputation-api/)
Whitepages Pro Get an owner’s name, address, demographics based on the phone number apiKey Yes Unknown [Go!] (https://pro.whitepages.com/developer/documentation/reverse-phone-api/)
Whitepages Pro Phone number validation, line_type, carrier append apiKey Yes Unknown [Go!] (https://pro.whitepages.com/developer/documentation/phone-intelligence-api/)
Whitepages Pro Get normalized physical address, residents, address type, and validity apiKey Yes Unknown [Go!] (https://pro.whitepages.com/developer/documentation/reverse-address-api/)

Games & Comics

API Description Auth HTTPS CORS Link
Battle.net Blizzard Entertainment apiKey Yes Unknown [Go!] (https://dev.battle.net/)
Battlefield 4 Battlefield 4 Information No Yes Unknown [Go!] (https://bf4stats.com/api)
Chuck Norris Database Jokes No No Unknown [Go!] (http://www.icndb.com/api/)
Clash of Clans Clash of Clans Game Information No Yes Unknown [Go!] (https://developer.clashofclans.com)
Clash Royale Clash Royale Game Information No Yes Unknown [Go!] (https://github.com/martincarrera/clash-royale-api)
Comic Vine Comics No Yes Unknown [Go!] (https://comicvine.gamespot.com/api/documentation)
Deck of Cards Deck of Cards No No Unknown [Go!] (http://deckofcardsapi.com/)
Destiny The Game Bungie Platform API apiKey Yes Unknown [Go!] (https://github.com/Bungie-net/api)
Dota 2 Provides information about Player stats , Match stats, Rankings for Dota 2 No Yes Unknown [Go!] (https://docs.opendota.com/)
Eve Online Third-Party Developer Documentation OAuth Yes Unknown [Go!] (https://eveonline-third-party-documentation.readthedocs.io/en/latest/)
Games Minecraft and other server info & user info) No Yes Unknown [Go!] (https://docs.gameapis.net/)
Giant Bomb Video Games No Yes Unknown [Go!] (https://www.giantbomb.com/api/documentation)
Guild Wars 2 Guild Wars 2 Game Information apiKey Yes Unknown [Go!] (https://wiki.guildwars2.com/wiki/API:Main)
Halo Halo 5 and Halo Wars 2 Information apiKey Yes Unknown [Go!] (https://developer.haloapi.com/)
Hearthstone Hearthstone Cards Information X-Mashape-Key Yes Unknown [Go!] (http://hearthstoneapi.com/)
IGDB.com Video Game Database apiKey Yes Unknown [Go!] (https://api.igdb.com/)
Jokes Programming and general jokes No Yes Unknown [Go!] (https://github.com/15Dkatz/official_joke_api)
Jservice Jeopardy Question Database No No Unknown [Go!] (http://jservice.io)
Magic The Gathering Magic The Gathering Game Information No No Unknown [Go!] (http://magicthegathering.io/)
Marvel Marvel Comics apiKey No Unknown [Go!] (http://developer.marvel.com)
Open Trivia Trivia Questions No Yes Unknown [Go!] (https://opentdb.com/api_config.php)
PandaScore E-sports games and results apiKey Yes Unknown [Go!] (https://api.pandascore.co)
PlayerUnknown’s Battlegrounds PUBG Stats apiKey Yes Unknown [Go!] (https://pubgtracker.com/site-api)
Pokéapi Pokémon Information No Yes Unknown [Go!] (https://pokeapi.co)
Pokémon TCG Pokémon TCG Information No Yes Unknown [Go!] (https://pokemontcg.io)
Qriusity Quiz/Trivia Questions No Yes Unknown [Go!] (https://qriusity.com/)
Riot Games League of Legends Game Information apiKey Yes Unknown [Go!] (https://developer.riotgames.com/)
Steam Steam Client Interaction OAuth Yes Unknown [Go!] (https://developer.valvesoftware.com/wiki/Steam_Web_API)
xkcd Retrieve xkcd comics as JSON No Yes Unknown [Go!] (https://xkcd.com/json.html)

Geocoding

API Description Auth HTTPS CORS Link
adresse.data.gouv.fr Address database of France, geocoding, and reverse No Yes Unknown [Go!] (https://adresse.data.gouv.fr)
Battuta A (country/region/city) in-cascade location API apiKey Yes Unknown [Go!] (https://battuta.medunes.net)
Bing Maps Create/customize digital maps based on Bing Maps data apiKey Yes Unknown [Go!] (https://www.microsoft.com/maps/)
City Context Crime, school, and transportation data for US cities apiKey Yes Unknown [Go!] (https://www.citycontext.com/api-reference#/)
CitySDK Open APIs for select European cities No Yes Unknown [Go!] (http://www.citysdk.eu/citysdk-toolkit/)
Daum Maps Daum Maps provide multiple APIs for Korean maps apiKey No Unknown [Go!] (http://apis.map.daum.net/)
FreeGeoIP Geolocation of IP addresses No Yes Unknown [Go!] (https://freegeoip.net/)
GeoApi French geographical data No Yes Unknown [Go!] (https://api.gouv.fr/api/geoapi.html)
Geocode.xyz Provides worldwide forward/reverse geocoding, batch geocoding and geoparsing No Yes Unknown [Go!] (https://geocode.xyz/)
GeoNames Place names and other geographical data No No Unknown [Go!] (http://www.geonames.org/export/web-services.html)
Google Earth Engine A cloud-based platform for planetary-scale environmental data analysis apiKey Yes Unknown [Go!] (https://developers.google.com/earth-engine/)
Google Maps Create/customize digital maps based on Google Maps data apiKey Yes Unknown [Go!] (https://developers.google.com/maps/)
GraphLoc Free GraphQL IP Geolocation API No Yes Unknown [Go!] (https://www.graphloc.com)
IP 2 Country Map an IP to a country No Yes Unknown [Go!] (https://ip2country.info)
IP Address Details Find geolocation with ip address No Yes Unknown [Go!] (https://ipinfo.io/)
IP Location Find IP address location information No Yes Unknown [Go!] (https://ipapi.co/)
IP Sidekick Geolocation API that returns extra information about an IP address apiKey Yes Unknown [Go!] (https://ipsidekick.com)
IP Vigilante Free IP Geolocation API No Yes Unknown [Go!] (https://www.ipvigilante.com/)
Mapbox Create/customize beautiful digital maps apiKey Yes Unknown [Go!] (https://www.mapbox.com/developers/)
Mapzen Search Open Source & Open Data Global Geocoding Service apiKey Yes Unknown [Go!] (https://mapzen.com/products/search/)
Mexico Mexico RESTful zip codes API No Yes Unknown [Go!] (https://github.com/IcaliaLabs/sepomex)
One Map, Singapore Singapore Land Authority REST API services for Singapore addresses apiKey Yes Unknown [Go!] (https://docs.onemap.sg/)
OnWater Determine if a lat/lon is on water or land No Yes Unknown [Go!] (https://onwater.io/)
OpenCage Forward and reverse geocoding using open data No Yes Unknown [Go!] (https://geocoder.opencagedata.com)
OpenStreetMap Navigation, geolocation and geographical data OAuth No Unknown [Go!] (http://wiki.openstreetmap.org/wiki/API)
PostcodeData.nl Provide geolocation data based on postcode for Dutch addresses No No Unknown [Go!] (http://api.postcodedata.nl/v1/postcode/?postcode=1211EP&streetnumber=60&ref=domeinnaam.nl&type=json)
Postcodes.io Postcode lookup & Geolocation for the UK No Yes Unknown [Go!] (https://postcodes.io)
REST Countries Get information about countries via a RESTful API No Yes Unknown [Go!] (https://restcountries.eu)
Uebermaps Discover and share maps with friends apiKey Yes Unknown [Go!] (https://uebermaps.com/api/v2)
Utah AGRC Utah Web API for geocoding Utah addresses apiKey Yes Unknown [Go!] (https://api.mapserv.utah.gov)
ViaCep Brazil RESTful zip codes API No Yes Unknown [Go!] (https://viacep.com.br)
Zippopotam Get information about place such as country, city, state, etc No No Unknown [Go!] (http://www.zippopotam.us)

Government

API Description Auth HTTPS CORS Link
BCLaws Access to the laws of British Columbia No No Unknown [Go!] (http://www.bclaws.ca/civix/template/complete/api/index.html)
BusinessUSA BusinessUSA gives developers access to authoritative information on U.S. programs, events, services and more apiKey Yes Unknown [Go!] (https://business.usa.gov/developer)
Census.gov The US Census Bureau provides various APIs and data sets on demographics and businesses No Yes Unknown [Go!] (https://www.census.gov/data/developers/data-sets.html)
EPA Web services and data sets from the US Environmental Protection Agency No Yes Unknown [Go!] (https://developer.epa.gov/category/api/)
FEC Information on campaign donations in federal elections apiKey Yes Unknown [Go!] (https://api.open.fec.gov/developers/)
Food Standards Agency UK food hygiene rating data API No No Unknown [Go!] (http://ratings.food.gov.uk/open-data/en-GB)
Regulations.gov Regulations.gov provides access to Federal regulatory materials and increases public participation and their understanding of the Federal rule making process apiKey Yes Unknown [Go!] (https://regulationsgov.github.io/developers/)

Health

API Description Auth HTTPS CORS Link
BetterDoctor Detailed information about doctors in your area apiKey Yes Unknown [Go!] (https://developer.betterdoctor.com/)
Diabetes Logging and retrieving diabetes information No No Unknown [Go!] (http://predictbgl.com/api/)
Flutrack Influenza-like symptoms with geotracking No No Unknown [Go!] (http://www.flutrack.org/)
Healthcare.gov Educational content about the US Health Insurance Marketplace No Yes Unknown [Go!] (https://www.healthcare.gov/developers/)
Lexigram NLP that extracts mentions of clinical concepts from text, gives access to clinical ontology apiKey Yes Unknown [Go!] (https://docs.lexigram.io/v1/welcome)
Makeup Makeup Information No No Unknown [Go!] (http://makeup-api.herokuapp.com/)
Medicare Access to the data from the CMS - medicare.gov No Yes Unknown [Go!] (https://data.medicare.gov/developers)
NPPES National Plan & Provider Enumeration System, info on healthcare providers registered in US No Yes Unknown [Go!] (https://npiregistry.cms.hhs.gov/registry/help-api)
Nutritionix Worlds largest verified nutrition database apiKey Yes Unknown [Go!] (https://developer.nutritionix.com/)
openFDA Public FDA data about drugs, devices, and foods No Yes Unknown [Go!] (https://open.fda.gov/api/)
USDA Nutrients National Nutrient Database for Standard Reference No Yes Unknown [Go!] (https://ndb.nal.usda.gov/ndb/doc/index)

Jobs

API Description Auth HTTPS CORS Link
Adzuna Job board aggregator apiKey Yes Unknown [Go!] (https://developer.adzuna.com/overview)
Authentic Jobs Job board for designers, hackers, and creative pros apiKey Yes Unknown [Go!] (https://authenticjobs.com/api/docs)
Careerjet Job search engine apiKey No Unknown [Go!] (https://www.careerjet.com/partners/api/)
Github Jobs Jobs for software developers No Yes Unknown [Go!] (https://jobs.github.com/api)
Indeed Job board aggregator apiKey Yes Unknown [Go!] (https://www.indeed.com/publisher)
Jobs2Careers Job aggregator apiKey Yes Unknown [Go!] (http://api.jobs2careers.com/api/spec.pdf)
Jooble Job search engine apiKey Yes Unknown [Go!] (https://us.jooble.org/api/about)
Juju Job search engine apiKey No Unknown [Go!] (http://www.juju.com/publisher/spec/)
Open Skills Job titles, skills, and related jobs data No No Unknown [Go!] (https://github.com/workforce-data-initiative/skills-api/wiki/API-Overview)
Reed Job board aggregator apiKey Yes Unknown [Go!] (https://www.reed.co.uk/developers)
Search.gov Jobs Tap into a list of current jobs openings with the United States government No Yes Unknown [Go!] (https://search.gov/developer/jobs.html)
The Muse Job board and company profiles apiKey Yes Unknown [Go!] (https://www.themuse.com/developers/api/v2)
Upwork Freelance job board and management system OAuth Yes Unknown [Go!] (https://developers.upwork.com/)
USAJOBS US government job board apiKey Yes Unknown [Go!] (https://developer.usajobs.gov/)
ZipRecruiter Job search app and website apiKey Yes Unknown [Go!] (https://www.ziprecruiter.com/publishers)

Machine Learning

API Description Auth HTTPS CORS Link
Clarifai Computer Vision OAuth Yes Unknown [Go!] (https://developer.clarifai.com/)
Cleverbot Web chat bot apiKey Yes Unknown [Go!] (https://www.cleverbot.com/api/)
Dialogflow Natural Language Processing apiKey Yes Unknown [Go!] (https://dialogflow.com)
Keen IO Data Analytics apiKey Yes Unknown [Go!] (https://keen.io/)
Unplugg Forecasting API for timeseries data apiKey Yes Unknown [Go!] (https://unplu.gg/test_api.html)
Wit.ai Natural Language Processing OAuth Yes Unknown [Go!] (https://wit.ai/)

Math

API Description Auth HTTPS CORS Link
Newton Symbolic and Arithmetic Math Calculator No Yes Unknown [Go!] (https://newton.now.sh/)
Numbers Facts about numbers No No Unknown [Go!] (http://numbersapi.com)

Music

API Description Auth HTTPS CORS Link
Bandsintown Music Events No Yes Unknown [Go!] (https://app.swaggerhub.com/apis/Bandsintown/PublicAPI/3.0.0)
Deezer Music OAuth Yes Unknown [Go!] (https://developers.deezer.com/api)
Discogs Music OAuth Yes Unknown [Go!] (https://www.discogs.com/developers/)
Genius Crowdsourced lyrics and music knowledge OAuth Yes Unknown [Go!] (https://docs.genius.com/)
iTunes Search Software products No Yes Unknown [Go!] (https://affiliate.itunes.apple.com/resources/documentation/itunes-store-web-service-search-api/)
Jamendo Music OAuth Yes Unknown [Go!] (https://developer.jamendo.com/v3.0)
LastFm Music apiKey Yes Unknown [Go!] (https://www.last.fm/api)
Lyrics.ovh Simple API to retrieve the lyrics of a song No Yes Unknown [Go!] (http://docs.lyricsovh.apiary.io/)
Mixcloud Music OAuth Yes Unknown [Go!] (https://www.mixcloud.com/developers/)
MusicBrainz Music No Yes Unknown [Go!] (https://musicbrainz.org/doc/Development/XML_Web_Service/Version_2)
Musikki Music apiKey Yes Unknown [Go!] (https://music-api.musikki.com/reference)
Musixmatch Music apiKey Yes Unknown [Go!] (https://developer.musixmatch.com/)
Songkick Music Events OAuth Yes Unknown [Go!] (https://www.songkick.com/developer/)
Songsterr Provides guitar, bass and drums tabs and chords No Yes Unknown [Go!] (https://www.songsterr.com/a/wa/api/)
Soundcloud Music No Yes Unknown [Go!] (https://developers.soundcloud.com/)
Spotify Music OAuth Yes Unknown [Go!] (https://developer.spotify.com/web-api/)
TasteDive Similar artist API (also works for movies and TV shows) apiKey Yes Unknown [Go!] (https://tastedive.com/read/api)
TheAudioDB Music apiKey No Unknown [Go!] (http://www.theaudiodb.com)
Vagalume Crowdsourced lyrics and music knowledge apiKey Yes Unknown [Go!] (https://api.vagalume.com.br/docs/)

News

API Description Auth HTTPS CORS Link
Chronicling America Provides access to millions of pages of historic US newspapers from the Library of Congress No No Unknown [Go!] (http://chroniclingamerica.loc.gov/about/api/)
Feedbin RSS reader OAuth Yes Unknown [Go!] (https://github.com/feedbin/feedbin-api)
New York Times Provides news apiKey Yes Unknown [Go!] (https://developer.nytimes.com/)
News Headlines currently published on a range of news sources and blogs apiKey Yes Unknown [Go!] (https://newsapi.org/)
NPR One Personalized news listening experience from NPR OAuth Yes Unknown [Go!] (http://dev.npr.org/api/)
The Guardian Access all the content the Guardian creates, categorised by tags and section apiKey Yes Unknown [Go!] (http://open-platform.theguardian.com/)

Open Data

API Description Auth HTTPS CORS Link
18F US Federal Government /Developer Program No No Unknown [Go!] (http://18f.github.io/API-All-the-X/)
Abbreviation Get abbreviations and meanings X-Mashape-Key Yes Unknown [Go!] (https://market.mashape.com/daxeel/abbreviations)
Callook.info United States ham radio callsigns No Yes Unknown [Go!] (https://callook.info)
CARTO Location Information Prediction apiKey Yes Unknown [Go!] (https://carto.com/)
Celebinfo Celebrity information X-Mashape-Key Yes Unknown [Go!] (https://market.mashape.com/daxeel/celebinfo/)
Colorado Data Engine Formatted and geolocated Colorado public data No Yes Unknown [Go!] (http://codataengine.org/)
Colorado Information Marketplace Colorado State Government Open Data No Yes Unknown [Go!] (https://data.colorado.gov/)
Data USA US Public Data No Yes Unknown [Go!] (https://datausa.io/about/api/)
Datakick The open product database apiKey Yes Unknown [Go!] (https://www.datakick.org/api)
Dronestream Tracks United States drone strikes No Yes Unknown [Go!] (https://dronestre.am/)
Federal Register The Daily Journal of the United States Government No Yes Unknown [Go!] (https://www.federalregister.gov/reader-aids/developer-resources)
fonoApi Mobile Device Description No Yes Unknown [Go!] (https://fonoapi.freshpixl.com/)
French Address Search French Government No Yes Unknown [Go!] (https://adresse.data.gouv.fr/api)
INQStats Open demographic data such as population, life expectancy, migration rate, etc apiKey No Unknown [Go!] (http://blog.inqubu.com/inqstats-open-api-published-to-get-demographic-data)
Marijuana Strains Marijuana strains, races, flavors, and effects apiKey No Unknown [Go!] (http://strains.evanbusse.com/)
Microlink.io Turns any link into information No Yes Unknown [Go!] (https://docs.microlink.io)
Open Government, Australia Australian Government Open Data No Yes Unknown [Go!] (https://www.data.gov.au/)
Open Government, Canada Canadian Government Open Data No No Unknown [Go!] (http://open.canada.ca/en)
Open Government, France French Government Open Data apiKey Yes Unknown [Go!] (https://www.data.gouv.fr/)
Open Government, India Indian Government Open Data apiKey Yes Unknown [Go!] (https://data.gov.in/)
Open Government, New Zealand New Zealand Government Open Data No Yes Unknown [Go!] (https://www.data.govt.nz/)
Open Government, Taiwan Taiwan Government Open Data No Yes Unknown [Go!] (https://data.gov.tw/)
Open Government, USA United States Government Open Data No Yes Unknown [Go!] (https://www.data.gov/)
Prague Opendata Prague City Open Data No No Unknown [Go!] (http://opendata.praha.eu/en)
Quandl Stock Market Data No Yes Unknown [Go!] (https://www.quandl.com/)
Represent by Open North Find Canadian Government Representatives No Yes Unknown [Go!] (https://represent.opennorth.ca/)
Scoop.it Content Curation Service apiKey No Unknown [Go!] (http://www.scoop.it/dev)
Teleport Quality of Life Data No Yes Unknown [Go!] (https://developers.teleport.org/)
UPC database More than 1.5 million barcode numbers from all around the world apiKey Yes Unknown [Go!] (https://upcdatabase.org/api)
Wikidata Collaboratively edited knowledge base operated by the Wikimedia Foundation OAuth Yes Unknown [Go!] (https://www.wikidata.org/w/api.php?action=help)
Wikipedia Mediawiki Encyclopedia No Yes Unknown [Go!] (https://www.mediawiki.org/wiki/API:Main_page)
Yelp Find Local Business OAuth Yes Unknown [Go!] (https://www.yelp.com/developers/documentation/v3)

Open Source Projects

API Description Auth HTTPS CORS Link
Countly Countly web analytics No No Unknown [Go!] (http://resources.count.ly/docs)
Drupal.org Drupal.org No Yes Unknown [Go!] (https://www.drupal.org/drupalorg/docs/api)
Libraries.io Open source software libraries apiKey Yes Unknown [Go!] (https://libraries.io/api)

Patent

API Description Auth HTTPS CORS Link
EPO European patent search system api OAuth Yes Unknown [Go!] (https://developers.epo.org/)
TIPO Taiwan patent search system api apiKey Yes Unknown [Go!] (https://tiponet.tipo.gov.tw/Gazette/OpenData/OD/OD05.aspx?QryDS=API00)
USPTO USA patent api services No Yes Unknown [Go!] (https://www.uspto.gov/learning-and-resources/open-data-and-mobility)

Personality

API Description Auth HTTPS CORS Link
chucknorris.io JSON API for hand curated Chuck Norris jokes No Yes Unknown [Go!] (https://api.chucknorris.io)
FavQs.com FavQs allows you to collect, discover, and share your favorite quotes apiKey Yes Unknown [Go!] (https://favqs.com/api)
Forismatic Inspirational Quotes No No Unknown [Go!] (http://forismatic.com/en/api/)
icanhazdadjoke The largest selection of dad jokes on the internet No Yes Unknown [Go!] (https://icanhazdadjoke.com/api)
Medium Community of readers and writers offering unique perspectives on ideas OAuth Yes Unknown [Go!] (https://github.com/Medium/medium-api-docs)
Quotes on Design Inspirational Quotes No Yes Unknown [Go!] (https://quotesondesign.com/api-v4-0/)
Traitify Assess, collect, and analyze Personality No Yes Unknown [Go!] (https://app.traitify.com/developer)
tronalddump.io Api & web archive for the things Donald Trump has said No Yes Unknown [Go!] (https://www.tronalddump.io)

Photography

API Description Auth HTTPS CORS Link
500px Photography Community OAuth Yes Unknown [Go!] (https://github.com/500px/api-documentation)
Flickr Flickr Services OAuth Yes Unknown [Go!] (https://www.flickr.com/services/api/)
Getty Images Build applications using the world’s most powerful imagery OAuth Yes Unknown [Go!] (http://developers.gettyimages.com/en/)
Gfycat Jiffier GIFs OAuth Yes Unknown [Go!] (https://developers.gfycat.com/api/)
Giphy Get all your gifs apiKey Yes Unknown [Go!] (https://developers.giphy.com/docs/)
Gyazo Upload images apiKey Yes Unknown [Go!] (https://gyazo.com/api/docs)
Imgur Images OAuth Yes Unknown [Go!] (https://apidocs.imgur.com/)
Pixabay Photography apiKey Yes Unknown [Go!] (https://pixabay.com/sk/service/about/api/)
Pixhost Upload images, photos, galleries No Yes Unknown [Go!] (https://pixhost.org/api/index.html)
PlaceKitten Resizable kitten placeholder images No Yes Unknown [Go!] (https://placekitten.com/)
ScreenShotLayer URL 2 Image No Yes Unknown [Go!] (https://screenshotlayer.com)
Unsplash Photography OAuth Yes Unknown [Go!] (https://unsplash.com/developers)

Science

API Description Auth HTTPS CORS Link
arcsecond.io Multiple astronomy data sources No Yes Unknown [Go!] (https://api.arcsecond.io/)
CORE Access the world’s Open Access research papers apiKey Yes Unknown [Go!] (https://core.ac.uk/services#api)
inspirehep.net High Energy Physics info. system No Yes Unknown [Go!] (https://inspirehep.net/info/hep/api?ln=en)
Launch Library Upcoming Space Launches No Yes Unknown [Go!] (https://launchlibrary.net/docs/1.3/api.html)
Minor Planet Center Asterank.com Information No No Unknown [Go!] (http://www.asterank.com/mpc)
NASA NASA data, including imagery No Yes Unknown [Go!] (https://api.nasa.gov)
Open Notify ISS astronauts, current location, etc No No Unknown [Go!] (http://open-notify.org/Open-Notify-API/)
Open Science Framework Repository and archive for study designs, research materials, data, manuscripts, etc No Yes Unknown [Go!] (https://developer.osf.io)
SHARE A free, open, dataset about research and scholarly activities No Yes Unknown [Go!] (https://share.osf.io/api/v2/)
SpaceX Company, vehicle, launchpad and launch data No Yes Unknown [Go!] (https://github.com/r-spacex/SpaceX-API)
Sunrise and Sunset Sunset and sunrise times for a given latitude and longitude No Yes Unknown [Go!] (https://sunrise-sunset.org/api)
USGS Earthquake Hazards Program Earthquakes data real-time No Yes Unknown [Go!] (https://earthquake.usgs.gov/fdsnws/event/1/)
USGS Water Services Water quality and level info for rivers and lakes No Yes Unknown [Go!] (https://waterservices.usgs.gov/)
World Bank World Data No No Unknown [Go!] (https://datahelpdesk.worldbank.org/knowledgebase/topics/125589)

Security

API Description Auth HTTPS CORS Link
AXFR Database AXFR public database No No Unknown [Go!] (http://api.axfrcheck.com)
HaveIBeenPwned Passwords which have previously been exposed in data breaches No Yes Unknown [Go!] (https://haveibeenpwned.com/API/v2)
UK Police UK Police data No Yes Unknown [Go!] (https://data.police.uk/docs/)

Shopping

API Description Auth HTTPS CORS Link
Best Buy Products, Buying Options, Categories, Recommendations, Stores, and Commerce apiKey Yes Unknown [Go!] (https://bestbuyapis.github.io/api-documentation/#overview)
eBay Sell and Buy on eBay OAuth Yes Unknown [Go!] (https://go.developer.ebay.com/)
Wal-Mart Item price and availability apiKey Yes Unknown [Go!] (https://developer.walmartlabs.com/docs)

Social

API Description Auth HTTPS CORS Link
Buffer Access to pending and sent updates in Buffer OAuth Yes Unknown [Go!] (https://buffer.com/developers/api)
Cisco Spark Team Collaboration Software OAuth Yes Unknown [Go!] (https://developer.ciscospark.com)
Discord Make bots for Discord, integrate Discord onto an external platform OAuth Yes Unknown [Go!] (https://discordapp.com/developers/docs/intro)
Disqus Communicate with Disqus data OAuth Yes Unknown [Go!] (https://disqus.com/api/docs/auth/)
DonReach Social Count Get the social share count of a URL from every major social network No Yes Unknown [Go!] (https://donreach.com/social-share-count/)
Facebook Facebook Login, Share on FB, Social Plugins, Analytics and more OAuth Yes Unknown [Go!] (https://developers.facebook.com/)
Foursquare Interact with Foursquare users and places (geolocation-based checkins, photos, tips, events, etc) OAuth Yes Unknown [Go!] (https://developer.foursquare.com/)
Fuck Off as a Service Asks someone to fuck off No Yes Unknown [Go!] (https://www.foaas.com)
Full Contact Get Social Media profiles and contact Information OAuth Yes Unknown [Go!] (https://www.fullcontact.com/developer/docs/)
HackerNews Social news for CS and entrepreneurship No Yes Unknown [Go!] (https://github.com/HackerNews/API)
Instagram Instagram Login, Share on Instagram, Social Plugins and more OAuth Yes Unknown [Go!] (https://www.instagram.com/developer/)
LinkedIn The foundation of all digital integrations with LinkedIn OAuth Yes Unknown [Go!] (https://developer.linkedin.com/docs/rest-api)
Meetup.com Data about Meetups from Meetup.com apiKey Yes Unknown [Go!] (https://www.meetup.com/meetup_api/)
Pinterest The world’s catalog of ideas OAuth Yes Unknown [Go!] (https://developers.pinterest.com/)
PWRTelegram bot Boosted version of the Telegram bot API OAuth Yes Unknown [Go!] (https://pwrtelegram.xyz)
Reddit Homepage of the internet OAuth Yes Unknown [Go!] (https://www.reddit.com/dev/api)
SharedCount Social media like and share data for any URL apiKey Yes Unknown [Go!] (http://docs.sharedcount.com/)
Slack Team Instant Messaging OAuth Yes Unknown [Go!] (https://api.slack.com/)
Telegram Bot Simplified HTTP version of the MTProto API for bots OAuth Yes Unknown [Go!] (https://core.telegram.org/bots/api)
Telegram MTProto Read and write Telegram data OAuth Yes Unknown [Go!] (https://core.telegram.org/api#getting-started)
Tumblr Read and write Tumblr Data OAuth Yes Unknown [Go!] (https://www.tumblr.com/docs/en/api/v2)
Twitch Game Streaming API OAuth Yes Unknown [Go!] (https://dev.twitch.tv/docs)
Twitter Read and write Twitter data OAuth Yes Unknown [Go!] (https://dev.twitter.com/rest/public)
vk Read and write vk data OAuth Yes Unknown [Go!] (https://vk.com/dev/sites)

Sports & Fitness

API Description Auth HTTPS CORS Link
BikeWise Bikewise is a place to learn about and report bike crashes, hazards, and thefts No Yes Unknown [Go!] (https://www.bikewise.org/documentation/api_v2)
Cartola FC The Cartola FC API serves to check the partial points of your team No Yes Unknown [Go!] (https://github.com/wgenial/cartrolandofc)
City Bikes City Bikes around the world No No Unknown [Go!] (http://api.citybik.es/v2/)
Cricket Live Scores Live cricket scores X-Mashape-Key Yes Unknown [Go!] (https://market.mashape.com/dev132/cricket-live-scores)
Ergast F1 F1 data from the beginning of the world championships in 1950 No No Unknown [Go!] (http://ergast.com/mrd/)
Fitbit Fitbit Information OAuth Yes Unknown [Go!] (https://dev.fitbit.com/)
Football-Data.org Football Data No No Unknown [Go!] (http://api.football-data.org/index)
JCDecaux Bike JCDecaux’s self-service bicycles apiKey Yes Unknown [Go!] (https://developer.jcdecaux.com/)
NBA Stats Current and historical NBA Statistics No Yes Unknown [Go!] (https://any-api.com/nba_com/nba_com/docs/API_Description)
NFL Arrests NFL Arrest Data No No Unknown [Go!] (http://nflarrest.com/api/)
Pro Motocross The RESTful AMA Pro Motocross lap times for every racer on the start gate No No Unknown [Go!] (http://promotocrossapi.com)
Strava Connect with athletes, activities and more OAuth Yes Unknown [Go!] (https://strava.github.io/api/)
SuredBits Query sports data, including teams, players, games, scores, and statistics No No Unknown [Go!] (https://suredbits.com/api/)
TheSportsDB Crowd-Sourced Sports Data and Artwork apiKey No Unknown [Go!] (http://www.thesportsdb.com)
UFC Data Ultimate Fighting Championship information for events and fighters No No Unknown [Go!] (http://ufc-data-api.ufc.com/)
Wger Workout manager data as exercises, muscles or equipment apiKey Yes Unknown [Go!] (https://wger.de/en/software/api)

Test Data

API Description Auth HTTPS CORS Link
Adorable Avatars Generate random cartoon avatars No Yes Unknown [Go!] (http://avatars.adorable.io)
Bacon Ipsum A Meatier Lorem Ipsum Generator No Yes Unknown [Go!] (https://baconipsum.com/json-api/)
FHIR Fast Healthcare Interoperability Resources test data No Yes Unknown [Go!] (http://fhirtest.uhn.ca/home)
Hipster Ipsum Generates Hipster Ipsum text No No Unknown [Go!] (http://hipsterjesus.com/)
JSONPlaceholder Fake data for testing and prototyping No No Unknown [Go!] (http://jsonplaceholder.typicode.com/)
Lorem Text Generates Lorem Ipsum text X-Mashape-Key Yes Unknown [Go!] (https://market.mashape.com/montanaflynn/lorem-text-generator)
LoremPicsum Generate placeholder pictures No No Unknown [Go!] (http://lorempicsum.com)
Loripsum The “lorem ipsum” generator that doesn’t suck No No Unknown [Go!] (http://loripsum.net/)
RandomUser Generates random user data No Yes Unknown [Go!] (https://randomuser.me)
RoboHash Generate random robot/alien avatars No Yes Unknown [Go!] (https://robohash.org/)
UI Names Generate random fake names No Yes Unknown [Go!] (https://github.com/thm/uinames)
Yes No Generate yes or no randomly No Yes Unknown [Go!] (https://yesno.wtf/api)

Text Analysis

API Description Auth HTTPS CORS Link
Aylien Text Analysis A collection of information retrieval and natural language APIs apiKey Yes Unknown [Go!] (http://docs.aylien.com/)
Detect Language Detects text language apiKey Yes Unknown [Go!] (https://detectlanguage.com/)
Google Cloud Natural Natural language understanding technologies to developers, including sentiment, entity, and syntax analysis apiKey Yes Unknown [Go!] (https://cloud.google.com/natural-language/docs/)
Semantira Text Analytics with sentiment analysis, categorization & named entity extraction OAuth Yes Unknown [Go!] (https://semantria.readme.io/docs)
Watson Natural Language Understanding Natural language processing for advanced text analysis OAuth Yes Unknown [Go!] (https://www.ibm.com/watson/developercloud/natural-language-understanding/api/v1/)

Tracking

API Description Auth HTTPS CORS Link
Postmon An API to query Brazilian ZIP codes and orders easily, quickly and free No No Unknown [Go!] (http://postmon.com.br)
Sweden Provides information about parcels in transport apiKey No Unknown [Go!] (https://developer.postnord.com/docs2)

Transportation

API Description Auth HTTPS CORS Link
ADS-B Exchange Access real-time and historical data of any and all airbone aircraft No Yes Unknown [Go!] (https://www.adsbexchange.com/data/)
AIS Hub Real-time data of any marine and inland vessel equipped with AIS tracking system apiKey No Unknown [Go!] (http://www.aishub.net/api)
Amadeus Travel Innovation Sandbox Travel Search - Limited usage apiKey Yes Unknown [Go!] (https://sandbox.amadeus.com/)
Bay Area Rapid Transit Stations and predicted arrivals for BART apiKey No Unknown [Go!] (http://api.bart.gov)
Community Transit Transitland API No Yes Unknown [Go!] (https://github.com/transitland/transitland-datastore/blob/master/README.md#api-endpoints)
Goibibo API for travel search apiKey Yes Unknown [Go!] (https://developer.goibibo.com/docs)
GraphHopper A-to-B routing with turn-by-turn instructions apiKey Yes Unknown [Go!] (https://graphhopper.com/api/1/docs/)
Icelandic APIs Open APIs that deliver services in or regarding Iceland No Yes Unknown [Go!] (http://docs.apis.is/)
Indian Railways Indian Railways Information apiKey No Unknown [Go!] (http://api.erail.in/)
Izi Audio guide for travellers apiKey Yes Unknown [Go!] (http://api-docs.izi.travel/)
Navitia The open API for building cool stuff with transport data apiKey Yes Unknown [Go!] (https://api.navitia.io/)
REFUGE Restrooms Provides safe restroom access for transgender, intersex, and gender nonconforming individuals No Yes Unknown [Go!] (https://www.refugerestrooms.org/api/docs/#!/restrooms)
Schiphol Airport Schiphol apiKey Yes Unknown [Go!] (https://developer.schiphol.nl/)
TransitLand Transit Aggregation No Yes Unknown [Go!] (https://transit.land/documentation/datastore/api-endpoints.html)
Transport for Atlanta, US Marta No No Unknown [Go!] (http://www.itsmarta.com/app-developer-resources.aspx)
Transport for Auckland, New Zealand Auckland Transport No Yes Unknown [Go!] (https://api.at.govt.nz/)
Transport for Belgium Belgian transport API No Yes Unknown [Go!] (https://hello.irail.be/api/)
Transport for Berlin, Germany Third-party VBB API No Yes Unknown [Go!] (https://github.com/derhuerst/vbb-rest/blob/master/docs/index.md)
Transport for Boston, US MBTA API No No Unknown [Go!] (http://realtime.mbta.com/Portal/Home/Documents)
Transport for Budapest, Hungary Budapest public transport API No Yes Unknown [Go!] (https://apiary.io/)
Transport for Chicago, US CTA No No Unknown [Go!] (http://www.transitchicago.com/developers/)
Transport for Czech Republic Czech transport API No Yes Unknown [Go!] (https://www.chaps.cz/eng/products/idos-internet)
Transport for Denver, US RTD No No Unknown [Go!] (http://www.rtd-denver.com/gtfs-developer-guide.shtml)
Transport for Finland Finnish transport API No Yes Unknown [Go!] (https://digitransit.fi/en/developers/ )
Transport for Germany Deutsche Bahn (DB) API apiKey No Unknown [Go!] (http://data.deutschebahn.com/dataset/api-fahrplan)
Transport for India India Public Transport API apiKey Yes Unknown [Go!] (https://data.gov.in/sector/transport)
Transport for London, England TfL API No Yes Unknown [Go!] (https://api.tfl.gov.uk)
Transport for Madrid, Spain Madrid BUS transport API apiKey No Unknown [Go!] (http://opendata.emtmadrid.es/Servicios-web/BUS)
Transport for Minneapolis, US NexTrip API OAuth No Unknown [Go!] (http://svc.metrotransit.org/)
Transport for New York City, US MTA apiKey No Unknown [Go!] (http://datamine.mta.info/)
Transport for Norway Norwegian transport API No No Unknown [Go!] (http://reisapi.ruter.no/help)
Transport for Ottawa, Canada OC Transpo next bus arrival API No No Unknown [Go!] (http://www.octranspo.com/index.php/developers)
Transport for Paris, France RATP Open Data API No No Unknown [Go!] (http://data.ratp.fr/api/v1/console/datasets/1.0/search/)
Transport for Paris, France Live schedules made simple No No Unknown [Go!] (http://restratpws.azurewebsites.net/swagger/)
Transport for Philadelphia, US SEPTA APIs No No Unknown [Go!] (http://www3.septa.org/hackathon/)
Transport for Sao Paulo, Brazil SPTrans OAuth No Unknown [Go!] (http://www.sptrans.com.br/desenvolvedores/APIOlhoVivo/Documentacao.aspx)
Transport for Sweden Public Transport consumer OAuth Yes Unknown [Go!] (https://www.trafiklab.se/api)
Transport for Switzerland Swiss public transport API No Yes Unknown [Go!] (https://transport.opendata.ch/)
Transport for Switzerland Official Swiss Public Transport Open Data apiKey Yes Unknown [Go!] (https://opentransportdata.swiss/en/)
Transport for The Netherlands NS, only trains apiKey No Unknown [Go!] (http://www.ns.nl/reisinformatie/ns-api)
Transport for The Netherlands OVAPI, country-wide public transport No Yes Unknown [Go!] (https://github.com/skywave/KV78Turbo-OVAPI/wiki)
Transport for Toronto, Canada TTC No Yes Unknown [Go!] (https://myttc.ca/developers)
Transport for United States NextBus API No No Unknown [Go!] (http://www.nextbus.com/xmlFeedDocs/NextBusXMLFeed.pdf)
Transport for Vancouver, Canada TransLink OAuth Yes Unknown [Go!] (https://developer.translink.ca/)
Transport for Victoria, AU PTV API apiKey Yes Unknown [Go!] (https://www.ptv.vic.gov.au/about-ptv/ptv-data-and-reports/digital-products/ptv-timetable-api/)
Transport for Washington, US Washington Metro transport API OAuth Yes Unknown [Go!] (https://developer.wmata.com/)
WhereIsMyTransport Platform for public transport data in emerging cities OAuth Yes Unknown [Go!] (https://developer.whereismytransport.com/)

University

API Description Auth HTTPS CORS Link
Universities List University names, countries and domains No Yes Unknown [Go!] (https://github.com/Hipo/university-domains-list)

URL Shorteners

API Description Auth HTTPS CORS Link
Bitly URL shortener and link management OAuth Yes Unknown [Go!] (http://dev.bitly.com/get_started.html)
ClickMeter Monitor, compare, and optimize your marketing links apiKey Yes Unknown [Go!] (https://support.clickmeter.com/hc/en-us/categories/201474986)
Google URL Shortener Takes long URLs and squeezes them into fewer characters to make a link that is easier to share apiKey Yes Unknown [Go!] (https://developers.google.com/url-shortener/v1/getting_started)
Rebrandly Custom URL shortener for sharing branded links apiKey Yes Unknown [Go!] (https://developers.rebrandly.com/v1/docs)

Vehicle

API Description Auth HTTPS CORS Link
Brazilian Vehicles and Prices Vehicles information from Fundação Instituto de Pesquisas Econômicas - Fipe No Yes Unknown [Go!] (https://deividfortuna.github.io/fipe/)
NHTSA NHTSA Product Information Catalog and Vehicle Listing No Yes Unknown [Go!] (https://vpic.nhtsa.dot.gov/api/)

Video

API Description Auth HTTPS CORS Link
An API of Ice And Fire Game Of Thrones API No Yes Unknown [Go!] (https://anapioficeandfire.com/)
Czech Television TV programme of Czech TV No No Unknown [Go!] (http://www.ceskatelevize.cz/xml/tv-program/)
Dailymotion Dailymotion Developer API OAuth Yes Unknown [Go!] (https://developer.dailymotion.com/)
Netflix Roulette Netflix database No Yes Unknown [Go!] (https://netflixroulette.net/api/)
Ron Swanson Quotes Television No Yes Unknown [Go!] (https://github.com/jamesseanwright/ron-swanson-quotes#ron-swanson-quotes-api)
SWAPI Star Wars Information No Yes Unknown [Go!] (https://swapi.co)
TMDb Community-based movie data apiKey Yes Unknown [Go!] (https://www.themoviedb.org/documentation/api)
TVDB Television data apiKey Yes Unknown [Go!] (https://api.thetvdb.com/swagger)
TVMaze TV Show Data No No Unknown [Go!] (http://www.tvmaze.com/api)
Utelly Check where a tv show or movie is available X-Mashape-Key Yes Unknown [Go!] (https://market.mashape.com/utelly/utelly)
Vimeo Vimeo Developer API OAuth Yes Unknown [Go!] (https://developer.vimeo.com/)
YouTube Add YouTube functionality to your sites and apps OAuth Yes Unknown [Go!] (https://developers.google.com/youtube/)

Weather

API Description Auth HTTPS CORS Link
Dark Sky Weather apiKey Yes Unknown [Go!] (https://darksky.net/dev/)
MetaWeather Weather No Yes Unknown [Go!] (https://www.metaweather.com/api/)
ODWeather Weather and weather webcams No No Unknown [Go!] (http://api.oceandrivers.com/static/docs.html)
OpenWeatherMap Weather apiKey No Unknown [Go!] (http://openweathermap.org/api)
Weatherbit Weather apiKey Yes Unknown [Go!] (https://www.weatherbit.io/api)
Wunderground Weather apiKey Yes Unknown [Go!] (https://www.wunderground.com/weather/api/)
Yahoo! Weather Weather No Yes Unknown [Go!] (https://developer.yahoo.com/weather/)