Spec

Code snippets

curl "https://api.oanor.com/easter-api/v1/meta" \
  -H "x-oanor-key: oanor_test_..."

await fetch("https://api.oanor.com/easter-api/v1/meta", {
  headers: { "x-oanor-key": "oanor_test_..." }
});

$ch = curl_init("https://api.oanor.com/easter-api/v1/meta");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);

import requests
requests.get(
    "https://api.oanor.com/easter-api/v1/meta",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

A real response from this endpoint, captured by the latest health check.

{
    "data": {
        "notes": "Years in the Gregorian calendar. The computus determines Easter from the paschal full moon; the JDN is calendar-independent. For general date arithmetic use a date-time API.",
        "service": "easter-api",
        "endpoints": {
            "GET /v1/meta": "This document.",
            "GET /v1/easter": "Western and Orthodox Easter dates for a year.",
            "GET /v1/julian-day": "Convert a Gregorian date to a Julian Day Number, or back.",
            "GET /v1/movable-feasts": "Dates of the Easter-relative movable feasts for a year."
        },
        "description": "Computus & calendar: Easter Sunday (Western & Orthodox), Easter-relative movable feasts, and Julian Day Number ↔ Gregorian date."
    },
    "meta": {
        "timestamp": "2026-06-05T19:50:22.036Z",
        "request_id": "5fcc6b96-4423-422d-bf37-8b0f595ec31f"
    },
    "status": "ok",
    "message": "Meta",
    "success": true
}