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

{
  "data": {
    "channel_template_id": 251,
    "last_modified": "2025-08-07T18:00:43.255Z",
    "name": "Email Template",
    "...": "..."
  }
}