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GET /v1/lookup

Reverse: find the Keybase user behind an identity

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/keybase-api

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

Get an API key

Code snippets

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

Example response

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

{
    "data": {
        "count": 1,
        "query": {
            "value": "malgorithms",
            "network": "github"
        },
        "matches": [
            {
                "uid": "23260c2ce19420f97b58d7d95b68ca00",
                "proofs": [
                    {
                        "url": "https://twitter.com/malgorithms",
                        "name": "malgorithms",
                        "state": 1,
                        "network": "twitter"
                    },
                    {
                        "url": "https://github.com/malgorithms",
                        "name": "malgorithms",
                        "state": 1,
                        "network": "github"
                    },
                    {
                        "url": "https://reddit.com/user/malgorithms",
                        "name": "malgorithms",
                        "state": 1,
                        "network": "reddit"
                    },
                    {
                        "url": "https://news.ycombinator.com/user?id=malgorithms",
                        "name": "malgorithms",
                        "state": 1,
                        "network": "hackernews"
                    },
                    {
                        "url": "http://chriscoyne.com",
                        "name": "chriscoyne.com",
                        "state": 1,
                        "network": "dns"
                    },
                    {
                        "url": "https://chriscoyne.com",
                        "name": "chriscoyne.com",
                        "state": 1,
                        "network": "generic_web_site"
                    }
                ],
                "location": "Maine",
                "username": "chris",
                "full_name": "Chris Coyne"
            }
        ]
    },
    "meta": {
        "timestamp": "2026-06-09T11:39:56.040Z",
        "request_id": "dbbe64f8-c3cb-4a67-a0cf-e4f718122c6e"
    },
    "status": "ok",
    "message": "Lookup completed successfully",
    "success": true
}