/v1/meta
Totals & CODATA adjustment
Live testen
10 freie Calls pro Tag — keine Anmeldung, kein API-Key. Geht durchs oanor-Gateway.
Funktioniert. Hol dir einen API-Key und nutze sie in deinem Projekt.
API-Key holenCode-Snippets
curl "https://api.oanor.com/constants-api/v1/meta" \ -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/constants-api/v1/meta", {
headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/constants-api/v1/meta");
curl_setopt($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/constants-api/v1/meta",
headers={"x-oanor-key": "oanor_test_..."}
)
Beispiel-Response
Echte Antwort dieses Endpoints, erfasst beim letzten Health-Check.
{
"data": {
"note": "value is the recommended numeric value; uncertainty is the standard uncertainty (0 when exact).",
"exact": 81,
"total": 355,
"fields": [
"name",
"slug",
"value",
"value_str",
"uncertainty",
"exact",
"unit"
],
"source": "NIST — CODATA 2022 fundamental physical constants",
"adjustment": "2022 CODATA"
},
"meta": {
"timestamp": "2026-05-31T05:48:04.141Z",
"request_id": "84a5fe00-aa54-4216-af98-7f0200d5826e"
},
"status": "ok",
"message": "Meta retrieved",
"success": true
}