Compute a check digit

Code snippets

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

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

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

Example response

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

{
    "data": {
        "body": "400638133393",
        "type": "EAN-13",
        "full_code": "4006381333931",
        "check_digit": "1"
    },
    "meta": {
        "timestamp": "2026-06-02T16:51:59.199Z",
        "request_id": "ac74ae90-8a59-4e4f-ba04-4685742c0a23"
    },
    "status": "ok",
    "message": "Compute a check digit",
    "success": true
}