curl --request POST \
  --url https://api.example.com/items/{id}/tags \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "tags": [
    "<string>"
  ]
}
'

{
  "metadata": {
    "item_id": "<string>",
    "tags": [
      "<string>"
    ],
    "extensions": {}
  }
}