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GET /v1/compare

Compare two emails

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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/emailnormalize-api

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Code snippets

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

Example response

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

{
    "data": {
        "a": {
            "input": "[email protected]",
            "normalized": "[email protected]"
        },
        "b": {
            "input": "[email protected]",
            "normalized": "[email protected]"
        },
        "same": true
    },
    "meta": {
        "timestamp": "2026-06-03T09:24:58.673Z",
        "request_id": "6c74db27-d604-4301-9117-fc19ebdb5bb0"
    },
    "status": "ok",
    "message": "Compare two emails",
    "success": true
}