curl --request POST \
  --url https://api.pubrio.com/channels/templates/default \
  --header 'Content-Type: application/json' \
  --header 'pubrio-api-key: <api-key>' \
  --data '
{
  "channel_template_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "profile_id": 123
}
'

{
  "data": [
    {
      "channel_template_id": 251,
      "channel_template_identifier": "4c717a78-26e9-49eb-ab2e-e1ce0755674a",
      "is_default": true,
      "last_modified": "2025-08-07T17:58:54.105Z"
    },
    "..."
  ]
}