Klarna payment and shopping service.

Get music libraries, playlists, charts, and perform out of KKBOX's platform.

Anime discovery platform.

Email verification API.

Get the IP geolocation data through the simple REST API. All the responses are JSON encoded.

Vehicle info, pricing, configuration, plus much more.

Data Analytics.

REST API for random Kanye West quotes.

Kakao Maps provide multiple APIs for Korean maps.

Kakao Login, Share on KakaoTalk, Social Plugins and more.

Create and interact with Datasets, Notebooks, and connect with Kaggle.

Job search engine.

Online code execution system.

Fake data for testing and prototyping.

Free JSON storage service. Ideal for small scale Web apps, Websites and Mobile apps.

Create and edit videos programmatically: watermarks,resizing,slideshows,voice-over,text animations.

Convert JSON to JSONP (on-the-fly) for easy cross-domain data requests using client-side JavaScript.

Package info and download stats on jsDelivr CDN.

People groups of the world with the fewest followers of Christ.

Job search engine.

Joke of the day and large category of jokes accessible via REST API.

Programming, Miscellaneous and Dark Jokes.

Job aggregator.

JIRA is a proprietary issue tracking product that allows bug tracking and agile project management.

API to retrieve song information, album meta data and many more from JioSaavn.

Unofficial MyAnimeList API.

JCDecaux's self-service bicycles.

Music.

Audio guide for travellers.

IUCN Red List of Threatened Species.