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GET /v1/parse

Validate & decompose a BCP 47 language tag

Try it live

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

Custom headers (optional)
api.oanor.com/bcp47-api

It works. Grab an API key and use it in your project.

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Code snippets

curl "https://api.oanor.com/bcp47-api/v1/parse" \
  -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/bcp47-api/v1/parse", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/bcp47-api/v1/parse");
curl_setopt($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/bcp47-api/v1/parse",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

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

{
    "data": {
        "tag": "zh-Hant-TW",
        "type": "redundant",
        "valid": true,
        "deprecated": null,
        "descriptions": [
            "Taiwan Chinese in traditional script"
        ],
        "preferred_value": null
    },
    "meta": {
        "timestamp": "2026-05-31T04:30:15.714Z",
        "request_id": "8aa4eb7c-d01c-4f4b-87d3-dcb5a1a15b46"
    },
    "status": "ok",
    "message": "Tag parsed",
    "success": true
}