ATND is the Web service for events in Japan.
https://atnd.org/events
It is inspired by the article below.
https://www.schoolofhaskell.com/school/to-infinity-and-beyond/competition-winners/interfacing-with-restful-json-apis
https://github.com/BJTerry/mailchimp
- Event search api
http://api.atnd.org
cabal update && cabal install atndapisee https://github.com/ynishi/atndapi/blob/master/test/Web/ATNDSpec.hs