List categories

const options = {
  method: 'GET',
  headers: {'x-spree-api-key': '<api-key>', Authorization: 'Bearer <token>'}
};

fetch('http://{defaultHost}/api/v3/admin/categories', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

curl --request GET \
  --url http://{defaultHost}/api/v3/admin/categories \
  --header 'Authorization: Bearer <token>' \
  --header 'x-spree-api-key: <api-key>'

{
  "data": [
    {
      "id": "ctg_UkLWZg9DAJ",
      "name": "Clothing",
      "permalink": "clothing",
      "position": 0,
      "depth": 0,
      "meta_title": null,
      "meta_description": null,
      "meta_keywords": null,
      "children_count": 0,
      "parent_id": null,
      "description": "",
      "description_html": "",
      "image_url": null,
      "square_image_url": null,
      "is_root": true,
      "is_child": false,
      "is_leaf": true,
      "metadata": {},
      "pretty_name": "Clothing",
      "lft": 1,
      "rgt": 2,
      "products_count": 0,
      "created_at": "2026-07-27T20:00:06.415Z",
      "updated_at": "2026-07-27T20:00:06.415Z"
    }
  ],
  "meta": {
    "page": 1,
    "limit": 25,
    "count": 1,
    "pages": 1,
    "from": 1,
    "to": 1,
    "in": 1,
    "previous": null,
    "next": null
  }
}