รหัสโปรโมชันที่ไม่ซ้ำกันในทุกข้อความ

curl --request POST \
  --url https://restapi.smsbat.com/bat/messagelist \
  --header 'Content-Type: application/json' \
  --header 'X-Authorization-Key: YOUR_API_KEY' \
  --data '{
  "messages": [
    {
      "from": "YourBrand",
      "to": "380XXXXXXXXX",
      "type": "viber_trans",
      "text": "Your promo code: {{promo_code}}",
      "ttl": "30",
      "fallbacks": [
        {
          "from": "YourBrand",
          "to": "380XXXXXXXXX",
          "type": "sms",
          "text": "Your promo code: {{promo_code}}"
        }
      ]
    }
  ]
}'