curl --request POST \
  --url 'https://api.iomnihub.ai/stable/open/customers/send-attachment-message?api_key=' \
  --header 'Content-Type: application/json' \
  --data '
{
  "customer_id": "1022",
  "attachment_type": "image",
  "attachment_url": "https://iomnihub.com/logo.png"
}
'

{
  "id": "<string>",
  "project_id": 123,
  "timestamp": "<string>",
  "function_name": "<string>",
  "message": "<string>",
  "status": "<string>",
  "extra": {
    "timestamp": "<string>",
    "project_id": 123,
    "platform_id": 123,
    "customer_id": 123,
    "customer_phone": "<string>",
    "template_id": "<string>",
    "template_name": "<string>",
    "source": "<string>",
    "success": true,
    "report": {
      "messaging_product": "<string>",
      "contacts": [
        {
          "input": "<string>",
          "wa_id": "<string>"
        }
      ],
      "messages": [
        {
          "id": "<string>",
          "message_status": "<string>"
        }
      ]
    }
  }
}