Assembly levels & notes

Code snippets

curl "https://api.oanor.com/genomes-api/v1/meta" \
  -H "x-oanor-key: oanor_test_..."

await fetch("https://api.oanor.com/genomes-api/v1/meta", {
  headers: { "x-oanor-key": "oanor_test_..." }
});

$ch = curl_init("https://api.oanor.com/genomes-api/v1/meta");
curl_setopt($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/genomes-api/v1/meta",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

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

{
    "data": {
        "note": "NCBI Assembly is the registry of genome assemblies — the reference genome builds for organisms across the tree of life. /v1/search?q=Homo sapiens finds genome assemblies for an organism (or by free text), returning each assembly's accession (GCF_… RefSeq / GCA_… GenBank), name, organism, taxon id, assembly level (Complete Genome, Chromosome, Scaffold, Contig), RefSeq category, UCSC/Ensembl names, submitter and release date; /v1/assembly?id=GCF_000001405.40 returns a single assembly's metadata — accession, name, organism, level, contig and scaffold N50, sequencing coverage, type, linked BioSample, description and FTP download paths (you may pass the accession, the assembly name like GRCh38.p14, or a numeric uid). Data from NCBI Assembly (public domain). A genome-assembly registry — distinct from sequence (ENA), genome annotation (Ensembl), variant (ClinVar/dbVar) and expression (GEO) databases. Ideal for bioinformatics, comparative genomics and reference-genome tooling.",
        "levels": [
            "Complete Genome",
            "Chromosome",
            "Scaffold",
            "Contig"
        ],
        "source": "NCBI Assembly — genome assembly registry (ncbi.nlm.nih.gov/assembly)",
        "endpoints": [
            "/v1/search",
            "/v1/assembly",
            "/v1/meta"
        ]
    },
    "meta": {
        "timestamp": "2026-06-01T23:40:55.917Z",
        "request_id": "39a1ecb1-1ab6-4a4d-9ddf-18d7ff8de5a6"
    },
    "status": "ok",
    "message": "Meta retrieved",
    "success": true
}