6. Required Request Parameters
| Parameter | Mandatory | Format / Example | Description |
|---|---|---|---|
| merchant_id | Yes | 123456 | Your Merchant ID (MID) |
| ORDER_ID | Yes | ORD-20251216-001 | Unique order ID from your system (max 50 chars) |
| TXN_AMOUNT | Yes | 150.00 | Amount with two decimals |
| WEBSITE | Yes | MYSHOP | Merchant website identifier |
| CALLBACK_URL | Yes | https://yoursite.com/callback | HTTPS callback URL |
| MOBILE_NO | Yes | 97412345678 | Customer mobile (with country code) |
| Yes | [email protected] | Customer email | |
| txnDate | Yes | 2025-12-16 | Transaction date (YYYY-MM-DD) |
| signature | Yes | A1B2C3... | SHA256 signature (uppercase) |