curl --request POST \
  --url https://api.peec.ai/customer/v1/categories/delete \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "category_ids": [
    "3c90c3cc-0d44-4b50-8888-8dd25736052a"
  ],
  "project_id": "or_f45b94ba-5e35-4982-93ed-285e72ee14eb"
}
'

{
  "deleted": [
    {
      "category_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
    }
  ],
  "rejected": [
    {
      "category_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "message": "<string>"
    }
  ]
}