GET /v1/categories Public

List all measurement categories

Returns all supported measurement categories in deterministic order. No authentication required.

Prefer a language client when available: JavaScript / TypeScript, Python, or PHP (Laravel). Samples on this page stay raw HTTP so they match the OpenAPI contract.

Possible errors

INVALID_REQUEST · RATE_LIMIT_EXCEEDED

All endpoints · Error reference

cURL

curl "https://api.unifyunits.com/v1/categories"

Response 200

json

{
  "data": [
    { "id": "length", "name": "Length", "base_unit": "m", "unit_count": 11 },
    { "id": "mass", "name": "Mass", "base_unit": "kg", "unit_count": 10 }
  ],
  "meta": { "count": 15 }
}