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

{
  "data": [
    {
      "channel_template_id": 245,
      "channel_template_identifier": "4f6f40cb-ed6d-4cca-99d8-616feef8de93",
      "channel_node_id": "93873c33-2635-4537-928c-6a4f3564164c",
      "channel_node_slug": "send_email",
      "channel_type_id": 1,
      "channel_type_slug": "email",
      "owner_email": "[email protected]",
      "owner_name": "Owner",
      "name": "email",
      "description": null,
      "parameters": {
        "content": "<div>hello world</div>",
        "subject": "Hello World",
        "attachments": []
      },
      "default_values": null,
      "version_number": 1,
      "version_name": "version 1",
      "is_default": true,
      "is_personal": true,
      "created_at": "2025-07-29T09:07:11.969Z",
      "last_modified": "2025-07-29T09:07:11.969Z"
    },
    "..."
  ]
}