This is a quick and dirty dump of some public data & service APIs, articles on hackathons and cheat sheets I enjoyed using. It’s a work in progress, so feel free to contribute and happy hacking!

Microsoft Cognitive Services
https://azure.microsoft.com/de-de/services/cognitive-services/

IBM Watson APIs
https://www.ibm.com/watson/developer/

Microsoft Bot Framework
https://dev.botframework.com/

LUIS - Language Understanding
https://www.luis.ai/

SMS, Voice, Video
https://www.twilio.com/

CIA World Factbook
https://www.cia.gov/library/publications/the-world-factbook/

WikiData (be warned as it’s a pain to use, but it‘s a mighty tool)
https://www.wikidata.org/w/api.php?action=help

Several huge data sets about Earth and Climate
https://aws.amazon.com/de/earth/

Earthquake data
https://earthquake.usgs.gov/earthquakes/feed/v1.0/summary/all_hour.geojson

Air Quality & Pollution
https://airvisual.com/api

Data of the US Environmental Protection Agency
https://developer.epa.gov/category/api/

NASA API
https://api.nasa.gov/

Rocket Launches
https://launchlibrary.net/docs/1.3/api.html

Current Position of the ISS
http://api.open-notify.org/iss-now.json

Meteorite Landings Earth
https://data.nasa.gov/resource/y77d-th95.json

Near-Earth Asteroids and Comets
https://data.nasa.gov/resource/2vr3-k9wn.json

Open Data USA
https://www.data.gov/

Open Data France
https://www.data.gouv.fr/fr/

World population data
http://api.population.io/
http://api.population.io/1.0/population/World/today-and-tomorrow/?format=json

World Demographics (Worldbank)
https://datahelpdesk.worldbank.org/knowledgebase/topics/125589-developer-information

World’s BIP
http://api.worldbank.org/countries?per_page=304&format=json

US Demographic
http://api.worldbank.org/countries/USA/indicators/SP.POP.TOTL?per_page=5000&format=json

Train infrastructure in Germany (DB) and Switzerland (SBB)
http://data.deutschebahn.com/
https://data.sbb.ch

The world’s airports and air fields
https://ckannet-storage.commondatastorage.googleapis.com/2014-12-13T15:15:31.729Z/airfields.json

Uber locations and price estimations https://developer.uber.com/products

Mercedes-Benz Connected Vehicle
https://developer.mercedes-benz.com/apis

Invoice digitalization http://developer.gini.net

Crime data
https://www.data.gov/local/

Liste geknackter Passwörter (Yahoo und andere große Einbrüche) https://haveibeenpwned.com/API/v2

Historische Events (Datum und Sprache im Link lässt sich anpassen) http://www.vizgr.org/historical-events/search.php?format=json&begin_date=-3000000&end_date=20151231&lang=de

Weather data
https://developer.yahoo.com/weather/
e.g. Berlin: https://query.yahooapis.com/v1/public/yql?q=select%20*%20from%20weather.forecast%20where%20woeid%20in%20%28select%20woeid%20from%20geo.places%281%29%20where%20text%3D%22Berlin%22%29&format=json&env=store%3A%2F%2Fdatatables.org%2Falltableswithkeys

Pokémon API
https://pokeapi.co/docsv2/ (z.B: https://pokeapi.co/api/v2/pokemon/1/)

Stanford Dog API
https://dog.ceo/dog-api/

Chuck Norris Facts
https://api.chucknorris.io/

Dumbest Things Donald Trump has said - API
https://www.tronalddump.io/

TODO

TODO