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GET /v1/convert

Data unit conversion

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/transfer-api

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

Get an API key

Code snippets

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

Example response

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

{
    "data": {
        "GB": 1,
        "KB": 1000000,
        "MB": 1000,
        "TB": 0.001,
        "GiB": 0.931322575,
        "KiB": 976562.5,
        "MiB": 953.674316,
        "bits": 8000000000,
        "mode": "size",
        "note": "Decimal (KB=1000) and binary (KiB=1024) sizes from the input.",
        "bytes": 1000000000,
        "inputs": {
            "from": "GB",
            "value": 1
        }
    },
    "meta": {
        "timestamp": "2026-06-04T18:38:14.093Z",
        "request_id": "a8e9e379-f0fe-48c8-aaad-b1fda5b0b4be"
    },
    "status": "ok",
    "message": "Data unit convert",
    "success": true
}