1️⃣ Checksum Demo (Array + JSON)

2️⃣ Initiate Transaction

RAW JSON SENT:
{
  "body": {"requestType":"Payment","mid":"OljnXB68963303248238","websiteName":"DEFAULT","orderId":"ORDER_1776259751","txnAmount":{"value":"1.00","currency":"INR"},"userInfo":{"custId":"CUST_1776259751"},"callbackUrl":"https://paytm.auraaccessoriessolutions.fun/webhook.php"},
  "head": {
    "signature": "pj7gkyNzcyDAIWGcdcWYkfMVyUwZLWa/O9EZ+M8k2lHQSN2UFtNM/hWKFosv978S4kE8by2edeHJjwAm9SR3I0M5rmt5AAcv/UzRqK7fQ+4="
  }
}

Array
(
    [head] => Array
        (
            [responseTimestamp] => 1776259751347
            [version] => v1
            [signature] => /RNsP+l4NXlS8Q1cQ6p4DRZ8s4nmO0+wi13LM5jDzJcGse+TugyvNRez/miHkQUdJcXVfxiC0tPss4A84KPzSqPLGHGlM0VZZLbOFoePRXI=
        )

    [body] => Array
        (
            [resultInfo] => Array
                (
                    [resultStatus] => S
                    [resultCode] => 0000
                    [resultMsg] => Success
                )

            [txnToken] => 96dc51e1afe94c348ff1fe56f53bfc9a1776259751260
            [isPromoCodeValid] => 
            [authenticated] => 
        )

)

3️⃣ Process Transaction (UPI_INTENT)

Array
(
    [head] => Array
        (
            [responseTimestamp] => 1776259752218
            [version] => v1
        )

    [body] => Array
        (
            [resultInfo] => Array
                (
                    [resultStatus] => S
                    [resultCode] => 0000
                    [resultMsg] => Success
                )

            [deepLinkInfo] => Array
                (
                    [deepLink] => upi://pay?pa=paytm-83965700@ptybl&pn=WIGOPE%20TECHNOLOGIES%20PRIVATE%20LIMITED&mc=5722&tid=PYTM60415805201952106525XXXXXXXXXXX&tr=60415805201952106525&am=1&cu=INR
                    [orderId] => ORDER_1776259751
                    [cashierRequestId] => 20260415232e628112d0844858dbc2454361557b4theia84b4d5fcc42mkts0000013
                    [transId] => 20260415210460000251249598262239571
                )

            [riskContent] => Array
                (
                    [eventLinkId] => nibk1f3fab3ac3804d0da17fca7692e9e3d4
                )

        )

)

✅ UPI Intent Deeplink