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GET /v1/proteome

Reference proteomes

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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/uniprot-api

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Code snippets

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

Example response

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

{
    "data": {
        "count": 2,
        "organism": 9606,
        "proteomes": [
            {
                "id": "UP000005640",
                "type": "Reference and representative proteome",
                "organism": "Homo sapiens",
                "taxon_id": 9606,
                "genome_source": "Ensembl",
                "protein_count": 83526,
                "genome_assembly": "GCA_000001405.29"
            },
            {
                "id": "UP001055169",
                "type": "Excluded",
                "organism": "Homo sapiens",
                "taxon_id": 9606,
                "genome_source": "ENA/EMBL",
                "protein_count": 54825,
                "genome_assembly": "GCA_022833125.2"
            }
        ]
    },
    "meta": {
        "timestamp": "2026-06-01T00:03:28.674Z",
        "request_id": "4a999c1b-3613-493e-b3f7-f871c4033129"
    },
    "status": "ok",
    "message": "Proteomes retrieved",
    "success": true
}