| ### Animals | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [Cat Facts](https://alexwohlbruck.github.io/cat-facts/) | Daily cat facts | No | Yes | Unknown | | |
| | [Dogs](https://dog.ceo/dog-api/) | Based on the Stanford Dogs Dataset | No | Yes | Yes | | |
| | [HTTPCat](https://http.cat/) | Cat for every HTTP Status | No | Yes | Unknown | | |
| | [Movebank](https://github.com/movebank/movebank-api-doc) | Movement and Migration data of animals | No | Yes | Unknown | | |
| | [RandomCat](https://aws.random.cat/meow) | Random pictures of cats | No | Yes | Yes | | |
| | [RandomDog](https://random.dog/woof.json) | Random pictures of dogs | No | Yes | Yes | | |
| | [RandomFox](https://randomfox.ca/floof/) | Random pictures of foxes | No | Yes | No | | |
| | [RescueGroups](https://userguide.rescuegroups.org/display/APIDG/API+Developers+Guide+Home) | Adoption | No | Yes | Unknown | | |
| | [Shibe.Online](http://shibe.online/) | Random pictures of Shibu Inu, cats or birds | No | No | No | | |
| ### Anime | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [Studio Ghibli](https://ghibliapi.herokuapp.com) | Resources from Studio Ghibli films | No | Yes | Unknown | | |
| ### Books | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [BookNomads](https://www.booknomads.com/dev) | Books published in the Netherlands and Flanders (about 2.5 million), book covers and related data | No | Yes | Unknown | | |
| | [British National Bibliography](http://bnb.data.bl.uk/) | Books | No | No | Unknown | | |
| | [Open Library](https://openlibrary.org/developers/api) | Books, book covers and related data | No | Yes | Unknown | | |
| | [Penguin Publishing](http://www.penguinrandomhouse.biz/webservices/rest/) | Books, book covers and related data | No | Yes | Unknown | | |
| ### Business | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [Domainsdb.info](https://domainsdb.info/) | Registered Domain Names Search | No | Yes | Unknown | | |
| | [markerapi](http://www.markerapi.com/) | Trademark Search | No | No | Unknown | | |
| | [Ticksel](https://ticksel.com) | Friendly website analytics made for humans | No | Yes | Unknown | | |
| ### Calendar | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [Church Calendar](http://calapi.inadiutorium.cz/) | Catholic liturgical calendar | No | No | Unknown | | |
| | [Czech Namedays Calendar](http://svatky.adresa.info/) | Lookup for a name and returns nameday date | No | No | Unknown | | |
| | [Hebrew Calendar](https://www.hebcal.com/home/developer-apis) | Convert between Gregarian and Hebrew, fetch Shabbat and Holiday times, etc | No | No | Unknown | | |
| | [LectServe](http://www.lectserve.com) | Protestant liturgical calendar | No | No | Unknown | | |
| | [Nager.Date](https://date.nager.at) | Public holidays for more than 90 countries | No | Yes | No | | |
| | [Namedays Calendar](https://api.abalin.net/) | Provides namedays for multiple countries | No | Yes | Yes | | |
| | [Non-Working Days](https://github.com/gadael/icsdb) | Database of ICS files for non working days | No | Yes | Unknown | | |
| | [Russian Calendar](https://github.com/egno/work-calendar) | Check if a date is a Russian holiday or not | No | Yes | No | | |
| ### Cryptocurrency | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [BitcoinCharts](https://bitcoincharts.com/about/exchanges/) | Financial and Technical Data related to the Bitcoin Network | No | Yes | Unknown | | |
| | [Blockchain](https://www.blockchain.info/api) | Bitcoin Payment, Wallet & Transaction Data | No | Yes | Unknown | | |
| | [Chasing Coin](https://chasing-coins.com/api) | Cryptocurrency, coin and token resource on the web | No | Yes | Unknown | | |
| | [CoinBin](https://coinbin.org/) | Cryptocurrency information | No | Yes | Unknown | | |
| | [CoinDesk](http://www.coindesk.com/api/) | Bitcoin Price Index | No | No | Unknown | | |
| | [CoinMarketCap](https://coinmarketcap.com/api/) | Cryptocurrencies Prices | No | Yes | Unknown | | |
| | [Coinpaprika](https://api.coinpaprika.com) | Cryptocurrencies prices, volume and more | No | Yes | Yes | | |
| | [CryptoCompare](https://www.cryptocompare.com/api#) | Cryptocurrencies Comparison | No | Yes | Unknown | | |
| | [Cryptonator](https://www.cryptonator.com/api/) | Cryptocurrencies Exchange Rates | No | Yes | Unknown | | |
| | [Gemini](https://docs.gemini.com/rest-api/) | Cryptocurrencies Exchange | No | Yes | Unknown | | |
| | [Livecoin](https://www.livecoin.net/api) | Cryptocurrency Exchange | No | Yes | Unknown | | |
| | [MercadoBitcoin](https://www.mercadobitcoin.net/api-doc/) | Brazilian Cryptocurrency Information | No | Yes | Unknown | | |
| | [Nexchange](https://nexchange2.docs.apiary.io/) | Automated cryptocurrency exchange service | No | No | Yes | | |
| ### Currency Exchange | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [Czech National Bank](https://www.cnb.cz/cs/financni_trhy/devizovy_trh/kurzy_devizoveho_trhu/denni_kurz.xml) | A collection of exchange rates | No | Yes | Unknown | | |
| | [Exchangeratesapi.io](https://exchangeratesapi.io) | Exchange rates with currency conversion | No | Yes | Yes | | |
| ### Data Validation | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [languagelayer](https://languagelayer.com) | Language detection | No | Yes | Unknown | | |
| | [mailboxlayer](https://mailboxlayer.com) | Email address validation | No | Yes | Unknown | | |
| | [NumValidate](https://numvalidate.com) | Open Source phone number validation | No | Yes | Unknown | | |
| | [numverify](https://numverify.com) | Phone number validation | No | Yes | Unknown | | |
| | [PurgoMalum](http://www.purgomalum.com) | Content validator against profanity & obscenity | No | No | Unknown | | |
| | [vatlayer](https://vatlayer.com) | VAT number validation | No | Yes | Unknown | | |
| ### Development | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [Apility.io](https://apility.io/apidocs/) | IP, Domains and Emails anti-abuse API blocklist | No | Yes | Yes | | |
| | [APIs.guru](https://apis.guru/api-doc/) | Wikipedia for Web APIs, OpenAPI/Swagger specs for public APIs | No | Yes | Unknown | | |
| | [Bitbucket](https://api.bitbucket.org/2.0/users/karllhughes) | Pull public information for a Bitbucket account | No | Yes | Unknown | | |
| | [Bored](https://www.boredapi.com/) | Find random activities to fight boredom | No | Yes | Unknown | | |
| | [CDNJS](https://api.cdnjs.com/libraries/jquery) | Library info on CDNJS | No | Yes | Unknown | | |
| | [Changelogs.md](https://changelogs.md) | Structured changelog metadata from open source projects | No | Yes | Unknown | | |
| | [Count.io](https://count.io) | Persistent counting and A/B testing | No | Yes | Unknown | | |
| | [DigitalOcean Status](https://status.digitalocean.com/api/v1) | Status of all DigitalOcean services | No | Yes | Unknown | | |
| | [DomainDb Info](https://domainsdb.info/apidomainsdb/index.php) | Domain name search to find all domains containing particular words/phrases/etc | No | Yes | Unknown | | |
| | [Genderize.io](https://genderize.io) | Determines a gender from a first name | No | Yes | Unknown | | |
| | [HTTP2.Pro](https://http2.pro/doc/api) | Test endpoints for client and server HTTP/2 protocol support | No | Yes | Unknown | | |
| | [JSON 2 JSONP](https://json2jsonp.com/) | Convert JSON to JSONP (on-the-fly) for easy cross-domain data requests using client-side JavaScript | No | Yes | Unknown | | |
| | [Judge0](https://api.judge0.com/) | Compile and run source code | No | Yes | Unknown | | |
| | [Let's Validate](https://github.com/letsvalidate/api) | Uncovers the technologies used on websites and URL to thumbnail | No | Yes | Unknown | | |
| | [License-API](https://github.com/cmccandless/license-api/blob/master/README.md) | Unofficial REST API for choosealicense.com | No | Yes | No | | |
| | [Myjson](http://myjson.com/api) | A simple JSON store for your web or mobile app | No | No | Unknown | | |
| | [OOPSpam](https://oopspam.com/) | Multiple spam filtering service | No | Yes | Yes | | |
| | [Plino](https://plino.herokuapp.com/) | Spam filtering system | No | Yes | Unknown | | |
| | [Public APIs](https://github.com/davemachado/public-api) | A collective list of free JSON APIs for use in web development | No | Yes | Unknown | | |
| | [QR code](http://qrtag.net/api/) | Create an easy to read QR code and URL shortener | No | Yes | Yes | | |
| | [QR code](http://goqr.me/api/) | Generate and decode / read QR code graphics | No | Yes | Unknown | | |
| | [ReqRes](https://reqres.in/ ) | A hosted REST-API ready to respond to your AJAX requests | No | Yes | Unknown | | |
| | [SHOUTCLOUD](http://shoutcloud.io/) | ALL-CAPS AS A SERVICE | No | No | Unknown | | |
| | [Verse](https://verse.pawelad.xyz/) | Check what's the latest version of your favorite open-source project | No | Yes | Unknown | | |
| | [XML to JSON](https://developers.wso2apistore.com/) | Integration developer utility APIs | No | Yes | Unknown | Documents & Productivity | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [File.io](https://www.file.io) | File Sharing | No | Yes | Unknown | | |
| ### Environment | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [UK Carbon Intensity](https://carbon-intensity.github.io/api-definitions/#carbon-intensity-api-v1-0-0) | The Official Carbon Intensity API for Great Britain developed by National Grid | No | Yes | Unknown | Finance | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [Financial Modeling Prep](https://financialmodelingprep.com/) | Stock information and data | No | Yes | Unknown | | |
| | [IEX](https://iextrading.com/developer/) | Stocks and Market Data | No | Yes | Unknown | | |
| | [Razorpay IFSC](https://ifsc.razorpay.com/) | Indian Financial Systems Code (Bank Branch Codes) | No | Yes | Unknown | | |
| | [RoutingNumbers.info](https://www.routingnumbers.info/api/index.html) | ACH/NACHA Bank Routing Numbers | No | Yes | Unknown | | |
| | [VAT Rates](https://jsonvat.com/) | A collection of all VAT rates for EU countries | No | Yes | Unknown | | |
| ### Food & Drink | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [Open Brewery DB](https://www.openbrewerydb.org) | Breweries, Cideries and Craft Beer Bottle Shops | No | Yes | Yes | | |
| | [Open Food Facts](https://world.openfoodfacts.org/data) | Food Products Database | No | Yes | Unknown | | |
| | [PunkAPI](https://punkapi.com/) | Brewdog Beer Recipes | No | Yes | Unknown | | |
| | [Recipe Puppy](http://www.recipepuppy.com/about/api/) | Food | No | No | Unknown | | |
| | [TacoFancy](https://github.com/evz/tacofancy-api) | Community-driven taco database | No | No | Unknown | | |
| | [The Report of the Week](https://github.com/andyklimczak/TheReportOfTheWeek-API) | Food & Drink Reviews | No | Yes | Unknown | Games & Comics | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [AmiiboAPI](http://www.amiiboapi.com/) | Amiibo Information | No | No | Yes | | |
| | [Battlefield 4](https://bf4stats.com/api) | Battlefield 4 Information | No | Yes | Unknown | | |
| | [Chuck Norris Database](http://www.icndb.com/api/) | Jokes | No | No | Unknown | | |
| | [Clash Royale](https://github.com/martincarrera/clash-royale-api) | Clash Royale Game Information | No | Yes | Unknown | | |
| | [Comic Vine](https://comicvine.gamespot.com/api/documentation) | Comics | No | Yes | Unknown | | |
| | [Deck of Cards](http://deckofcardsapi.com/) | Deck of Cards | No | No | Unknown | | |
| | [Dota 2](https://docs.opendota.com/) | Provides information about Player stats , Match stats, Rankings for Dota 2 | No | Yes | Unknown | | |
| | [Games](https://docs.gameapis.net/) | Minecraft and other server info & user info) | No | Yes | Unknown | | |
| | [Giant Bomb](https://www.giantbomb.com/api/documentation) | Video Games | No | Yes | Unknown | | |
| | [Jokes](https://github.com/15Dkatz/official_joke_api) | Programming and general jokes | No | Yes | Unknown | | |
| | [Jservice](http://jservice.io) | Jeopardy Question Database | No | No | Unknown | | |
| | [Magic The Gathering](http://magicthegathering.io/) | Magic The Gathering Game Information | No | No | Unknown | | |
| | [Open Trivia](https://opentdb.com/api_config.php) | Trivia Questions | No | Yes | Unknown | | |
| | [Qriusity](https://qriusity.com/) | Quiz/Trivia Questions | No | Yes | Unknown | | |
| | [Rick and Morty](https://rickandmortyapi.com) | All the Rick and Morty information, including images | No | Yes | Yes | | |
| | [xkcd](https://xkcd.com/json.html) | Retrieve xkcd comics as JSON | No | Yes | Unknown | | |
| ### Geocoding | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [adresse.data.gouv.fr](https://adresse.data.gouv.fr) | Address database of France, geocoding and reverse | No | Yes | Unknown | | |
| | [CitySDK](http://www.citysdk.eu/citysdk-toolkit/) | Open APIs for select European cities | No | Yes | Unknown | | |
| | [GeoApi](https://api.gouv.fr/api/geoapi.html) | French geographical data | No | Yes | Unknown | | |
| | [Geocode.xyz](https://geocode.xyz/) | Provides worldwide forward/reverse geocoding, batch geocoding and geoparsing | No | Yes | Unknown | | |
| | [GeoNames](http://www.geonames.org/export/web-services.html) | Place names and other geographical data | No | No | Unknown | | |
| | [HelloSalut](https://www.fourtonfish.com/hellosalut/hello/) | Get hello translation following user language | No | Yes | Unknown | | |
| | [IP 2 Country](https://ip2country.info) | Map an IP to a country | No | Yes | Unknown | | |
| | [IP Address Details](https://ipinfo.io/) | Find geolocation with ip address | No | Yes | Unknown | | |
| | [IP Location](https://ipapi.co/) | Find IP address location information | No | Yes | Unknown | | |
| | [OnWater](https://onwater.io/) | Determine if a lat/lon is on water or land | No | Yes | Unknown | | |
| | [OpenCage](https://geocoder.opencagedata.com) | Forward and reverse geocoding using open data | No | Yes | Unknown | | |
| | [PostcodeData.nl](http://api.postcodedata.nl/v1/postcode/?postcode=1211EP&streetnumber=60&ref=domeinnaam.nl&type=json) | Provide geolocation data based on postcode for Dutch addresses | No | No | Unknown | | |
| | [Postcodes.io](https://postcodes.io) | Postcode lookup & Geolocation for the UK | No | Yes | Unknown | | |
| | [Zippopotam](http://www.zippopotam.us) | Get information about place such as country, city, state, etc | No | No | Unknown | | |
| ### Government | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [BCLaws](http://www.bclaws.ca/civix/template/complete/api/index.html) | Access to the laws of British Columbia | No | No | Unknown | | |
| | [Census.gov](https://www.census.gov/data/developers/data-sets.html) | The US Census Bureau provides various APIs and data sets on demographics and businesses | No | Yes | Unknown | | |
| | [Colorado Data Engine](http://codataengine.org/) | Formatted and geolocated Colorado public data | No | Yes | Unknown | | |
| | [Colorado Information Marketplace](https://data.colorado.gov/) | Colorado State Government Open Data | No | Yes | Unknown | | |
| | [Data USA](https://datausa.io/about/api/) | US Public Data | No | Yes | Unknown | | |
| | [Data.parliament.uk](http://www.data.parliament.uk/developers/) | Contains live datasets including information about petitions, bills, MP votes, attendence and more | No | No | Unknown | | |
| | [EPA](https://developer.epa.gov/category/api/) | Web services and data sets from the US Environmental Protection Agency | No | Yes | Unknown | | |
| | [Federal Register](https://www.federalregister.gov/reader-aids/developer-resources) | The Daily Journal of the United States Government | No | Yes | Unknown | | |
| | [Open Government, Australia](https://www.data.gov.au/) | Australian Government Open Data | No | Yes | Unknown | | |
| | [Open Government, Belgium](https://data.gov.be/) | Belgium Government Open Data | No | Yes | Unknown | | |
| | [Open Government, Canada](http://open.canada.ca/en) | Canadian Government Open Data | No | No | Unknown | | |
| | [Open Government, New Zealand](https://www.data.govt.nz/) | New Zealand Government Open Data | No | Yes | Unknown | | |
| | [Open Government, Taiwan](https://data.gov.tw/) | Taiwan Government Open Data | No | Yes | Unknown | | |
| | [Open Government, USA](https://www.data.gov/) | United States Government Open Data | No | Yes | Unknown | | |
| | [Prague Opendata](http://opendata.praha.eu/en) | Prague City Open Data | No | No | Unknown | | |
| | [Represent by Open North](https://represent.opennorth.ca/) | Find Canadian Government Representatives | No | Yes | Unknown | | |
| | [USAspending.gov](https://api.usaspending.gov/) | US federal spending data | No | Yes | Unknown | | |
| ### Health | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [Diabetes](http://predictbgl.com/api/) | Logging and retrieving diabetes information | No | No | Unknown | | |
| | [Flutrack](http://www.flutrack.org/) | Influenza-like symptoms with geotracking | No | No | Unknown | | |
| | [Healthcare.gov](https://www.healthcare.gov/developers/) | Educational content about the US Health Insurance Marketplace | No | Yes | Unknown | | |
| | [Makeup](http://makeup-api.herokuapp.com/) | Makeup Information | No | No | Unknown | | |
| | [Medicare](https://data.medicare.gov/developers) | Access to the data from the CMS - medicare.gov | No | Yes | Unknown | | |
| | [NPPES](https://npiregistry.cms.hhs.gov/registry/help-api) | National Plan & Provider Enumeration System, info on healthcare providers registered in US | No | Yes | Unknown | | |
| | [openFDA](https://open.fda.gov) | Public FDA data about drugs, devices and foods | No | Yes | Unknown | | |
| | [USDA Nutrients](https://ndb.nal.usda.gov/ndb/doc/index) | National Nutrient Database for Standard Reference | No | Yes | Unknown | | |
| ### Jobs | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [Github Jobs](https://jobs.github.com/api) | Jobs for software developers | No | Yes | Unknown | | |
| | [Open Skills](https://github.com/workforce-data-initiative/skills-api/wiki/API-Overview) | Job titles, skills and related jobs data | No | No | Unknown | | |
| | [Search.gov Jobs](https://search.gov/developer/jobs.html) | Tap into a list of current jobs openings with the United States government | No | Yes | Unknown | Music | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [Bandsintown](https://app.swaggerhub.com/apis/Bandsintown/PublicAPI/3.0.0) | Music Events | No | Yes | Unknown | | |
| | [Genrenator](https://binaryjazz.us/genrenator-api/) | Music genre generator | No | Yes | Unknown | | |
| | [iTunes Search](https://affiliate.itunes.apple.com/resources/documentation/itunes-store-web-service-search-api/) | Software products | No | Yes | Unknown | | |
| | [Lyrics.ovh](http://docs.lyricsovh.apiary.io/) | Simple API to retrieve the lyrics of a song | No | Yes | Unknown | | |
| | [MusicBrainz](https://musicbrainz.org/doc/Development/XML_Web_Service/Version_2) | Music | No | Yes | Unknown | | |
| | [Songsterr](https://www.songsterr.com/a/wa/api/) | Provides guitar, bass and drums tabs and chords | No | Yes | Unknown | | |
| ### News | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [Chronicling America](http://chroniclingamerica.loc.gov/about/api/) | Provides access to millions of pages of historic US newspapers from the Library of Congress | No | No | Unknown | | |
| ### Open Data | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [18F](http://18f.github.io/API-All-the-X/) | Unofficial US Federal Government API Development | No | No | Unknown | | |
| | [Archive.org](https://archive.readme.io/docs) | The Internet Archive | No | Yes | Unknown | | |
| | [Callook.info](https://callook.info) | United States ham radio callsigns | No | Yes | Unknown | | |
| | [Dronestream](https://dronestre.am/) | Tracks United States drone strikes | No | Yes | Unknown | | |
| | [fonoApi](https://fonoapi.freshpixl.com/) | Mobile Device Description | No | Yes | Unknown | | |
| | [French Address Search](https://adresse.data.gouv.fr/api) | Address search via the French Government | No | Yes | Unknown | | |
| | [Microlink.io](https://microlink.io) | Extract structured data from any website | No | Yes | Yes | | |
| | [Population.io](http://api.population.io/) | Open demographic data such as population tables, population rank and life expectancy | No | No | Unknown | | |
| | [Quandl](https://www.quandl.com/) | Stock Market Data | No | Yes | Unknown | | |
| | [Teleport](https://developers.teleport.org/) | Quality of Life Data | No | Yes | Unknown | | |
| | [Universities List](https://github.com/Hipo/university-domains-list) | University names, countries and domains | No | Yes | Unknown | | |
| | [University of Oslo](https://data.uio.no/) | Courses, lecture videos, detailed information for courses etc. for the University of Oslo (Norway) | No | Yes | Unknown | | |
| | [Wikipedia](https://www.mediawiki.org/wiki/API:Main_page) | Mediawiki Encyclopedia | No | Yes | Unknown | | |
| ### Open Source Projects | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [Countly](http://resources.count.ly/docs) | Countly web analytics | No | No | Unknown | | |
| | [Drupal.org](https://www.drupal.org/drupalorg/docs/api) | Drupal.org | No | Yes | Unknown | | |
| ### Patent | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [USPTO](https://www.uspto.gov/learning-and-resources/open-data-and-mobility) | USA patent api services | No | Yes | Unknown | | |
| ### Personality | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [Advice Slip](http://api.adviceslip.com/) | Generate random advice slips | No | Yes | Unknown | | |
| | [chucknorris.io](https://api.chucknorris.io) | JSON API for hand curated Chuck Norris jokes | No | Yes | Unknown | | |
| | [Forismatic](http://forismatic.com/en/api/) | Inspirational Quotes | No | No | Unknown | | |
| | [icanhazdadjoke](https://icanhazdadjoke.com/api) | The largest selection of dad jokes on the internet | No | Yes | Unknown | | |
| | [Quotes on Design](https://quotesondesign.com/api-v4-0/) | Inspirational Quotes | No | Yes | Unknown | | |
| | [Traitify](https://app.traitify.com/developer) | Assess, collect and analyze Personality | No | Yes | Unknown | | |
| | [tronalddump.io](https://www.tronalddump.io) | Api & web archive for the things Donald Trump has said | No | Yes | Unknown | | |
| ### Photography | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [Lorem Picsum](https://picsum.photos/) | Images from Unsplash | No | Yes | Unknown | | |
| | [Pixhost](https://pixhost.org/api/index.html) | Upload images, photos, galleries | No | Yes | Unknown | | |
| | [PlaceKitten](https://placekitten.com/) | Resizable kitten placeholder images | No | Yes | Unknown | | |
| | [ScreenShotLayer](https://screenshotlayer.com) | URL 2 Image | No | Yes | Unknown | | |
| ### Science & Math | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [arcsecond.io](https://api.arcsecond.io/) | Multiple astronomy data sources | No | Yes | Unknown | | |
| | [inspirehep.net](https://inspirehep.net/info/hep/api?ln=en) | High Energy Physics info. system | No | Yes | Unknown | | |
| | [Launch Library](https://launchlibrary.net/docs/1.3/api.html) | Upcoming Space Launches | No | Yes | Unknown | | |
| | [Minor Planet Center](http://www.asterank.com/mpc) | Asterank.com Information | No | No | Unknown | | |
| | [NASA](https://api.nasa.gov) | NASA data, including imagery | No | Yes | Unknown | | |
| | [Newton](https://newton.now.sh/) | Symbolic and Arithmetic Math Calculator | No | Yes | Unknown | | |
| | [Numbers](http://numbersapi.com) | Facts about numbers | No | No | Unknown | | |
| | [Open Notify](http://open-notify.org/Open-Notify-API/) | ISS astronauts, current location, etc | No | No | Unknown | | |
| | [Open Science Framework](https://developer.osf.io) | Repository and archive for study designs, research materials, data, manuscripts, etc | No | Yes | Unknown | | |
| | [SHARE](https://share.osf.io/api/v2/) | A free, open, dataset about research and scholarly activities | No | Yes | Unknown | | |
| | [SpaceX](https://github.com/r-spacex/SpaceX-API) | Company, vehicle, launchpad and launch data | No | Yes | Unknown | | |
| | [Sunrise and Sunset](https://sunrise-sunset.org/api) | Sunset and sunrise times for a given latitude and longitude | No | Yes | Unknown | | |
| | [USGS Earthquake Hazards Program](https://earthquake.usgs.gov/fdsnws/event/1/) | Earthquakes data real-time | No | Yes | Unknown | | |
| | [USGS Water Services](https://waterservices.usgs.gov/) | Water quality and level info for rivers and lakes | No | Yes | Unknown | | |
| | [World Bank](https://datahelpdesk.worldbank.org/knowledgebase/topics/125589) | World Data | No | No | Unknown | | |
| ### Security | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [AXFR Database](http://api.axfrcheck.com) | AXFR public database | No | No | Unknown | | |
| | [FilterLists](https://filterlists.com/api) | Lists of filters for adblockers and firewalls | No | Yes | Unknown | | |
| | [HaveIBeenPwned](https://haveibeenpwned.com/API/v2) | Passwords which have previously been exposed in data breaches | No | Yes | Unknown | | |
| | [UK Police](https://data.police.uk/docs/) | UK Police data | No | Yes | Unknown | Social | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [Fuck Off as a Service](https://www.foaas.com) | Asks someone to fuck off | No | Yes | Unknown | | |
| | [HackerNews](https://github.com/HackerNews/API) | Social news for CS and entrepreneurship | No | Yes | Unknown | | |
| ### Sports & Fitness | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [BikeWise](https://www.bikewise.org/documentation/api_v2) | Bikewise is a place to learn about and report bike crashes, hazards and thefts | No | Yes | Unknown | | |
| | [Cartola FC](https://github.com/wgenial/cartrolandofc) | The Cartola FC API serves to check the partial points of your team | No | Yes | Unknown | | |
| | [City Bikes](http://api.citybik.es/v2/) | City Bikes around the world | No | No | Unknown | | |
| | [Ergast F1](http://ergast.com/mrd/) | F1 data from the beginning of the world championships in 1950 | No | Yes | Unknown | | |
| | [Football-Data.org](http://api.football-data.org/index) | Football Data | No | No | Unknown | | |
| | [NBA Stats](https://any-api.com/nba_com/nba_com/docs/API_Description) | Current and historical NBA Statistics | No | Yes | Unknown | | |
| | [NFL Arrests](http://nflarrest.com/api/) | NFL Arrest Data | No | No | Unknown | | |
| | [Pro Motocross](http://promotocrossapi.com) | The RESTful AMA Pro Motocross lap times for every racer on the start gate | No | No | Unknown | | |
| | [SuredBits](https://suredbits.com/api/) | Query sports data, including teams, players, games, scores and statistics | No | No | No | | |
| | [UFC Data](http://ufc-data-api.ufc.com/) | Ultimate Fighting Championship information for events and fighters | No | No | No | | |
| ### Test Data | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [Adorable Avatars](http://avatars.adorable.io) | Generate random cartoon avatars | No | Yes | Unknown | | |
| | [Bacon Ipsum](https://baconipsum.com/json-api/) | A Meatier Lorem Ipsum Generator | No | Yes | Unknown | | |
| | [Dicebear Avatars](https://avatars.dicebear.com/) | Generate random pixel-art avatars | No | Yes | Unknown | | |
| | [FHIR](http://fhirtest.uhn.ca/home) | Fast Healthcare Interoperability Resources test data | No | Yes | Unknown | | |
| | [Hipster Ipsum](http://hipsterjesus.com/) | Generates Hipster Ipsum text | No | No | Unknown | | |
| | [JSONPlaceholder](http://jsonplaceholder.typicode.com/) | Fake data for testing and prototyping | No | No | Unknown | | |
| | [LoremPicsum](http://lorempicsum.com) | Generate placeholder pictures | No | No | Unknown | | |
| | [Loripsum](http://loripsum.net/) | The "lorem ipsum" generator that doesn't suck | No | No | Unknown | | |
| | [RandomUser](https://randomuser.me) | Generates random user data | No | Yes | Unknown | | |
| | [RoboHash](https://robohash.org/) | Generate random robot/alien avatars | No | Yes | Unknown | | |
| | [UI Names](https://github.com/thm/uinames) | Generate random fake names | No | Yes | Unknown | | |
| | [Yes No](https://yesno.wtf/api) | Generate yes or no randomly | No | Yes | Unknown | Tracking | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [Postmon](http://postmon.com.br) | An API to query Brazilian ZIP codes and orders easily, quickly and free | No | No | Unknown | | |
| ### Transportation | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [ADS-B Exchange](https://www.adsbexchange.com/data/) | Access real-time and historical data of any and all airborne aircraft | No | Yes | Unknown | | |
| | [Icelandic APIs](http://docs.apis.is/) | Open APIs that deliver services in or regarding Iceland | No | Yes | Unknown | | |
| | [REFUGE Restrooms](https://www.refugerestrooms.org/api/docs/#!/restrooms) | Provides safe restroom access for transgender, intersex and gender nonconforming individuals | No | Yes | Unknown | | |
| | [TransitLand](https://transit.land/documentation/datastore/api-endpoints.html) | Transit Aggregation | No | Yes | Unknown | | |
| | [Transport for Atlanta, US](http://www.itsmarta.com/app-developer-resources.aspx) | Marta | No | No | Unknown | | |
| | [Transport for Auckland, New Zealand](https://api.at.govt.nz/) | Auckland Transport | No | Yes | Unknown | | |
| | [Transport for Chicago, US](http://www.transitchicago.com/developers/) | CTA | No | No | Unknown | | |
| | [Transport for Denver, US](http://www.rtd-denver.com/gtfs-developer-guide.shtml) | RTD | No | No | Unknown | | |
| | [Transport for Grenoble, France](https://www.metromobilite.fr/pages/opendata/OpenDataApi.html) | Grenoble public transport | No | No | No | | |
| | [Transport for Paris, France](http://restratpws.azurewebsites.net/swagger/) | Live schedules made simple | No | No | Unknown | | |
| | [Transport for Philadelphia, US](http://www3.septa.org/hackathon/) | SEPTA APIs | No | No | Unknown | | |
| | [Transport for The Netherlands](https://github.com/skywave/KV78Turbo-OVAPI/wiki) | OVAPI, country-wide public transport | No | Yes | Unknown | | |
| | [Transport for Toronto, Canada](https://myttc.ca/developers) | TTC | No | Yes | Unknown | Vehicle | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [NHTSA](https://vpic.nhtsa.dot.gov/api/) | NHTSA Product Information Catalog and Vehicle Listing | No | Yes | Unknown | | |
| ### Video | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [Breaking Bad Quotes](https://github.com/shevabam/breaking-bad-quotes) | Some Breaking Bad quotes | No | Yes | Unknown | | |
| | [Czech Television](http://www.ceskatelevize.cz/xml/tv-program/) | TV programme of Czech TV | No | No | Unknown | | |
| | [Ron Swanson Quotes](https://github.com/jamesseanwright/ron-swanson-quotes#ron-swanson-quotes-api) | Television | No | Yes | Unknown | | |
| | [STAPI](http://stapi.co) | Information on all things Star Trek | No | No | No | | |
| | [SWAPI](https://swapi.co) | Star Wars Information | No | Yes | Unknown | | |
| | [TVMaze](http://www.tvmaze.com/api) | TV Show Data | No | No | Unknown | | |
| ### Weather | |
| | API | Description | Auth | HTTPS | CORS | | |
| |---|---|---|---|---| | |
| | [MetaWeather](https://www.metaweather.com/api/) | Weather | No | Yes | No | | |
| | [ODWeather](http://api.oceandrivers.com/static/docs.html) | Weather and weather webcams | No | No | Unknown | |