{"data":{"slug":"liturgical-calendar-api","name":"Liturgical Calendar API","tagline":"The Roman Rite calendar for any year, nation or diocese.","description":"John Romano D'Orazio's calendar service, and the most complete implementation going: the General Roman Calendar plus national and diocesan propers, from 1970 to any year you ask for, in several languages and with an OpenAPI schema. The Catholic Digital Commons Foundation's Martyrology API and MCP server are both built against it, which makes it the de facto backbone of the Catholic liturgical data stack.","url":"https://github.com/Liturgical-Calendar/LiturgicalCalendarAPI","docs_url":"https://github.com/Liturgical-Calendar/LiturgicalCalendarAPI/blob/master/jsondata/schemas/openapi.json","repo_url":"https://github.com/Liturgical-Calendar/LiturgicalCalendarAPI","track":"api","kind":"api","pricing":"free","pricing_note":"Open source; a public instance is run by the maintainer.","open_source":true,"license":null,"auth":"none","cors":"unknown","official":false,"categories":["Liturgical Calendar","Daily Readings"],"languages":["en","it","la","fr","es","de","pt","nl","hu","sk"],"votes":{"up":0,"down":0,"score":0,"confidence":0},"deprecated":false,"deprecated_note":null,"health":{"state":"up","status_code":200,"checked_at":"2026-08-14T00:17:50Z"},"listed_via":null,"added_at":"2026-08-13T21:56:03Z","launched_at":null,"verified_at":null,"permalink":"https://fideshunt.com/apis/liturgical-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":"church-calendar-api","name":"Church Calendar API","tagline":"Roman Catholic liturgical calendar as a no-auth REST API.","permalink":"https://fideshunt.com/apis/church-calendar-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":"aelf-api","name":"AELF API","tagline":"Official French liturgical texts: Mass readings and the Hours.","permalink":"https://fideshunt.com/apis/aelf-api"}]}