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GET /v1/search

Search terms across ontologies

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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/ontology-api

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Code snippets

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

Example response

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

{
    "data": {
        "count": 20,
        "query": "diabetes",
        "total": 257,
        "results": [
            {
                "iri": "http://purl.obolibrary.org/obo/MONDO_0005015",
                "type": "class",
                "label": "diabetes mellitus",
                "obo_id": "MONDO:0005015",
                "ontology": "mondo",
                "definition": "A metabolic disorder characterized by abnormally high blood sugar levels due to diminished production of insulin or insulin resistance/desensitization."
            },
            {
                "iri": "http://purl.obolibrary.org/obo/MONDO_0004782",
                "type": "class",
                "label": "diabetes insipidus",
                "obo_id": "MONDO:0004782",
                "ontology": "mondo",
                "definition": "A disorder characterized by excretion of large amounts of urine, accompanied by excessive thirst. Causes include deficiency of antidiuretic hormone or failure of the kidneys to respond to antidiuretic hormone. It may also be drug-related."
            },
            {
                "iri": "http://purl.obolibrary.org/obo/MONDO_0005406",
                "type": "class",
                "label": "gestational diabetes",
                "obo_id": "MONDO:0005406",
                "ontology": "mondo",
                "definition": "Carbohydrate intolerance first diagnosed during pregnancy."
            },
            {
                "iri": "http://purl.obolibrary.org/obo/MONDO_0005827",
                "type": "class",
                "label": "lipoatrophic diabetes",
                "obo_id": "MONDO:0005827",
                "ontology": "mondo",
                "definition": "A rare syndrome characterized by almost complete absence of body fat, accentuated muscularity, insulin-resistant diabetes, hyperlipidemia, hepatomegaly, and hypermetabolism."
            },
            {
                "iri": "http://purl.obolibrary.org/obo/MONDO_0015967",
                "type": "class",
                "label": "monogenic diabetes",
                "obo_id": "MONDO:0015967",
                "ontology": "mondo",
                "definition": "Diabetes mellitus that is caused by mutations in a single gene."
            },
            {
                "iri": "http://purl.obolibrary.org/obo/MONDO_0007450",
                "type": "class",
                "label": "neurohypophyseal diabetes insipidus",
                "obo_id": "MONDO:0007450",
                "ontology": "mondo",
                "definition": "Hereditary central diabetes insipidus is a rare genetic subtype of central diabetes insipidus (CDI) characterized by polyuria and polydipsia due to a deficiency in vasopressin (AVP) synthesis."
            },
            {
                "iri": "http://purl.obolibrary.org/obo/MONDO_0015790",
                "type": "class",
                "label": "central diabetes insipidus",
                "obo_id": "MONDO:0015790",
                "onto
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