Citation & reference counts for a DOI

Code-Snippets

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

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

$ch = curl_init("https://api.oanor.com/opencitations-api/v1/count");
curl_setopt($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/opencitations-api/v1/count",
    headers={"x-oanor-key": "oanor_test_..."}
)

Beispiel-Response

Echte Antwort dieses Endpoints, erfasst beim letzten Health-Check.

{
    "data": {
        "doi": "10.1186/1756-8722-6-59",
        "cited_by_count": 208,
        "reference_count": 72
    },
    "meta": {
        "timestamp": "2026-06-01T16:23:08.515Z",
        "request_id": "68c949d8-2bc2-4406-9f74-97d3412cc8d7"
    },
    "status": "ok",
    "message": "Counts retrieved",
    "success": true
}