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GET /v1/info

Blood type details

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10 free calls per day — no sign-up, no API key. Goes through the oanor gateway.

Custom headers (optional)
api.oanor.com/bloodtype-api

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Code snippets

curl "https://api.oanor.com/bloodtype-api/v1/info" \
  -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/bloodtype-api/v1/info", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/bloodtype-api/v1/info");
curl_setopt($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/bloodtype-api/v1/info",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

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

{
    "data": {
        "note": "Antigens present, plasma antibodies, and RBC/plasma compatibility for this type.",
        "type": "A+",
        "antigens": [
            "A",
            "RhD"
        ],
        "disclaimer": "Educational only — actual transfusion requires laboratory cross-matching and clinical judgement. Not medical advice.",
        "plasma_antibodies": [
            "anti-B"
        ],
        "rbc_can_donate_to": [
            "A+",
            "AB+"
        ],
        "universal_rbc_donor": false,
        "plasma_can_donate_to": [
            "O-",
            "O+",
            "A-",
            "A+"
        ],
        "rbc_can_receive_from": [
            "O-",
            "O+",
            "A-",
            "A+"
        ],
        "us_frequency_percent": 35.7,
        "universal_plasma_donor": false,
        "universal_rbc_recipient": false
    },
    "meta": {
        "timestamp": "2026-06-04T01:59:17.160Z",
        "request_id": "49d6cf00-b596-4950-b9eb-c3756da3b360"
    },
    "status": "ok",
    "message": "Blood type info",
    "success": true
}