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GET /v1/categories

Categories + status legend

Try it live

10 free calls per day — no sign-up, no API key. Goes through the oanor gateway.

Custom headers (optional)
api.oanor.com/caniuse-api

It works. Grab an API key and use it in your project.

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Code snippets

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

Example response

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

{
    "data": {
        "updated": 1779860541,
        "statuses": {
            "cr": "W3C Candidate Recommendation",
            "ls": "WHATWG Living Standard",
            "pr": "W3C Proposed Recommendation",
            "wd": "W3C Working Draft",
            "rec": "W3C Recommendation",
            "other": "Other",
            "unoff": "Unofficial / Note"
        },
        "categories": {
            "JS": [
                "JS"
            ],
            "CSS": [
                "CSS3",
                "CSS",
                "CSS2"
            ],
            "SVG": [
                "SVG"
            ],
            "HTML5": [
                "Canvas",
                "HTML5"
            ],
            "Other": [
                "PNG",
                "Other",
                "DOM"
            ],
            "JS API": [
                "JS API"
            ],
            "Security": [
                "Security"
            ]
        }
    },
    "meta": {
        "timestamp": "2026-06-02T16:52:09.627Z",
        "request_id": "a117ae06-c346-449d-9f7d-ed2c76dc54de"
    },
    "status": "ok",
    "message": "Categories + statuses",
    "success": true
}