The ontology catalogue

Code snippets

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

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

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

Example response

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

{
    "data": {
        "page": 0,
        "size": 25,
        "count": 25,
        "total": 280,
        "ontologies": [
            {
                "id": "addicto",
                "terms": 1363,
                "title": "Addiction Ontology",
                "status": "LOADED",
                "version": null,
                "description": "The Addiction Ontology (AddictO) is an ontology being developed all aspects of addiction research."
            },
            {
                "id": "ado",
                "terms": 1963,
                "title": "Alzheimer's Disease Ontology (ADO)",
                "status": "LOADED",
                "version": "2.0.1",
                "description": "Alzheimer's Disease Ontology is a knowledge-based ontology that encompasses varieties of concepts related to Alzheimer'S Disease, foundamentally structured by upper level Basic Formal Ontology(BFO). This Ontology is enriched by the interrelational entities that demonstrate the nextwork of the unders"
            },
            {
                "id": "aeo",
                "terms": 430,
                "title": "Anatomical Entity Ontology",
                "status": "LOADED",
                "version": null,
                "description": "AEO is an ontology of anatomical structures that expands CARO, the Common Anatomy Reference Ontology"
            },
            {
                "id": "afo",
                "terms": 3516,
                "title": "Allotrope Merged Ontology Suite",
                "status": "LOADED",
                "version": "REC/2026/03",
                "description": "Allotrope Merged Ontology Suite"
            },
            {
                "id": "afpo",
                "terms": 473,
                "title": "African Population Ontology",
                "status": "LOADED",
                "version": "2024-03-21",
                "description": "AfPO is an ontology that can be used in the study of diverse populations across Africa. It brings together publicly available demographic, anthropological and genetic data relating to African people in a standardised and structured format. The AfPO can be employed to classify African study participa"
            },
            {
                "id": "agro",
                "terms": 4162,
                "title": "Agronomy Ontology",
                "status": "LOADED",
                "version": null,
                "description": "AgrO is an ontlogy for representing agronomic practices, techniques, variables and related entities"
            },
            {
                "id": "aism",
                "terms": 8614,
                "title": "Ontology for the Anatomy of the Insect SkeletoMuscular system",
                "status": "LOADED",
                "version": "2026-02-14",
                "description": "The ontology for the Anatomy of the Insect SkeletoMuscular system (AISM) contains terms used to describe the cuticle - as a single anatomical structure - and the skeletal mu
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