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GET /v1/toppathways

Top-level pathways for a species

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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/reactome-api

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Code snippets

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

Example response

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

{
    "data": {
        "count": 29,
        "species": "9606",
        "pathways": [
            {
                "id": "R-HSA-9612973",
                "name": "Autophagy",
                "species": "Homo sapiens",
                "is_disease": false,
                "has_diagram": true
            },
            {
                "id": "R-HSA-1640170",
                "name": "Cell Cycle",
                "species": "Homo sapiens",
                "is_disease": false,
                "has_diagram": true
            },
            {
                "id": "R-HSA-1500931",
                "name": "Cell-Cell communication",
                "species": "Homo sapiens",
                "is_disease": false,
                "has_diagram": true
            },
            {
                "id": "R-HSA-8953897",
                "name": "Cellular responses to stimuli",
                "species": "Homo sapiens",
                "is_disease": false,
                "has_diagram": true
            },
            {
                "id": "R-HSA-4839726",
                "name": "Chromatin organization",
                "species": "Homo sapiens",
                "is_disease": false,
                "has_diagram": true
            },
            {
                "id": "R-HSA-9909396",
                "name": "Circadian clock",
                "species": "Homo sapiens",
                "is_disease": false,
                "has_diagram": true
            },
            {
                "id": "R-HSA-1266738",
                "name": "Developmental Biology",
                "species": "Homo sapiens",
                "is_disease": false,
                "has_diagram": true
            },
            {
                "id": "R-HSA-8963743",
                "name": "Digestion and absorption",
                "species": "Homo sapiens",
                "is_disease": false,
                "has_diagram": true
            },
            {
                "id": "R-HSA-1643685",
                "name": "Disease",
                "species": "Homo sapiens",
                "is_disease": true,
                "has_diagram": true
            },
            {
                "id": "R-HSA-73894",
                "name": "DNA Repair",
                "species": "Homo sapiens",
                "is_disease": false,
                "has_diagram": true
            },
            {
                "id": "R-HSA-69306",
                "name": "DNA Replication",
                "species": "Homo sapiens",
                "is_disease": false,
                "has_diagram": true
            },
            {
                "id": "R-HSA-9748784",
                "name": "Drug ADME",
                "species": "Homo sapiens",
                "is_disease": false,
                "has_diagram": true
            },
            {
                "id": "R-HSA-1474244",
                "name": "Extracellular matrix organization",
                "species": "Homo sapiens",
                "is_dise
…