Delete a contact

DELETE https://services.chatmount.co/v2/chatbots/:chatbotId/contacts/:contactId

{
  "message": "Success",
  "data": {
    "id": "contact_internal_123",
    "external_id": "user_123",
    "name": "John Doe",
    "email": "john@example.com",
    "phonenumber": "+1234567890",
    "custom_attributes": { "department": "Sales" },
    "created_at": 1704067200,
    "updated_at": 1704153600
  }
}