{"data":{"slug":"church-calendar-api","name":"Church Calendar API","tagline":"Roman Catholic liturgical calendar as a no-auth REST API.","description":"Serves the General Roman Calendar as reformed after the Second Vatican Council: the season, rank, liturgical colour and celebrations for any date, plus whole-year listings. Runs at calapi.inadiutorium.cz with no key and no rate limit, and the Ruby service behind it is open source so you can self-host a diocesan or religious-order calendar with its own proper celebrations. The usual starting point for anyone who needs 'what feast is today?'.","url":"http://calapi.inadiutorium.cz/","docs_url":"http://calapi.inadiutorium.cz/api-doc","repo_url":"https://github.com/igneus/church-calendar-api","track":"api","kind":"api","pricing":"free","pricing_note":"No key, no published rate limit.","open_source":true,"license":null,"auth":"none","cors":"unknown","official":false,"categories":["Liturgical Calendar","Saints"],"languages":["en","cs","fr","it","la"],"votes":{"up":0,"down":0,"score":0,"confidence":0},"deprecated":false,"deprecated_note":null,"health":{"state":"up","status_code":200,"checked_at":"2026-08-13T21:58:40Z"},"listed_via":null,"added_at":"2026-08-13T21:56:03Z","launched_at":null,"verified_at":null,"permalink":"https://fideshunt.com/apis/church-calendar-api"},"related":[{"slug":"catholic-readings-api","name":"Catholic Readings API","tagline":"Daily Mass readings, saints and liturgical seasons as static JSON.","permalink":"https://fideshunt.com/apis/catholic-readings-api"},{"slug":"martyrology-api","name":"Roman Martyrology API","tagline":"The eulogies of the Roman Martyrology for any liturgical day.","permalink":"https://fideshunt.com/apis/martyrology-api"},{"slug":"litcal-api","name":"Liturgical Calendar API (LitCal)","tagline":"Generates the General Roman Calendar for any year from 1970 to 9999.","permalink":"https://fideshunt.com/apis/litcal-api"},{"slug":"romcal","name":"romcal","tagline":"Generate the Roman Rite calendar locally, no network call.","permalink":"https://fideshunt.com/apis/romcal"}]}