Lectionary API

A modern REST API providing lectionary readings and liturgical calendar data for Christian churches

Version v1 OpenAPI 3.0 Free & Open Source
View API Documentation GitHub Repository

API Endpoints

Readings

Get scripture readings by date, tradition, or date range

GEThttp://lectio-api.org/api/v1/readings/today
GEThttp://lectio-api.org/api/v1/readings?date=2025-12-25

Traditions

List and query supported lectionary traditions

GEThttp://lectio-api.org/api/v1/traditions
GEThttp://lectio-api.org/api/v1/traditions/rcl

Calendar

Access liturgical calendar and season information

GEThttp://lectio-api.org/api/v1/calendar/current
GEThttp://lectio-api.org/api/v1/calendar/2025/seasons

Supported Traditions

Access readings from multiple Christian lectionary traditions

Revised Common Lectionary (RCL)
Roman Catholic
Episcopal / Anglican

Quick Start

Get today's readings with a simple HTTP request

# Get today's readings for the Revised Common Lectionary curl "http://lectio-api.org/api/v1/readings/today?tradition=rcl" # Get readings for a specific date curl "http://lectio-api.org/api/v1/readings?date=2025-12-25&tradition=rcl" # List all available traditions curl "http://lectio-api.org/api/v1/traditions"