Free

List meta trademark classes

GET/meta/trademark-classesNo key

The 45 Nice classes a trademark is filed under.

Static, in class order: 1 to 34 are goods, 35 to 45 services.

AccessNo key. Limited per address; a key adds the paid fields.
BillingOne call.
FormatsJSON

Request

fieldsstringOptionalQuery

Comma-separated top-level keys to keep; an unknown key answers 400 unsupported_field.

curl -X GET "https://api.unique.domains/v1/meta/trademark-classes"

Response

classinteger
titlestring
kindstring

Errors

rate_limited429

Too many requests

internal500

Unexpected error

200 · application/jsonExample
{
  "data": [
    {
      "class": 9,
      "title": "Scientific and electronic apparatus, software",
      "kind": "goods"
    }
  ],
  "meta": {
    "asOf": "2026-11-05T08:00:00Z",
    "cursor": null,
    "limit": null
  },
  "links": {
    "self": "https://api.unique.domains/v1/meta/trademark-classes",
    "next": null,
    "register": null,
    "product": null,
    "dataset": null
  }
}

API status

Ask AI about Unique Domains