1️⃣ Checksum Demo (Array + JSON)

2️⃣ Initiate Transaction

RAW JSON SENT:
{
  "body": {"requestType":"Payment","mid":"OljnXB68963303248238","websiteName":"DEFAULT","orderId":"ORDER_1776676414","txnAmount":{"value":"1.00","currency":"INR"},"userInfo":{"custId":"CUST_1776676414"},"callbackUrl":"https://paytm.auraaccessoriessolutions.fun/webhook.php"},
  "head": {
    "signature": "FgwOtuI4A/a/oJxoRU8sRk+OpBrAfZ3rzptY21I2EhuZ3BsJnhUioPOmf6I0tabFRKXmGb1N/MRNHbEiYNo4Po+aU2fRUlUR04tRSucMrZU="
  }
}

Array
(
    [head] => Array
        (
            [responseTimestamp] => 1776676415210
            [version] => v1
            [signature] => Z8qr757k0WJuXWH+7wZBBELyoQanrqwH2Nz5C/T4DdIsM+k8eHuN4403yMAhjpQDSmc63mRSQZ1A3ld+jBzHKw4rOep71eQyCDB8kica2MU=
        )

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

            [txnToken] => 7fb66b5bcffb4526bcaaeae37a2a05211776676415111
            [isPromoCodeValid] => 
            [authenticated] => 
        )

)

3️⃣ Process Transaction (UPI_INTENT)

Array
(
    [head] => Array
        (
            [responseTimestamp] => 1776676416139
            [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=PYTM60420804035338692649XXXXXXXXXXX&tr=60420804035338692649&am=1&cu=INR
                    [orderId] => ORDER_1776676414
                    [cashierRequestId] => 20260420204ea907102af45f088f1d0990f91735btheia7fcb99ddb69wvqn0000013
                    [transId] => 20260420210570000252997213161542088
                )

            [riskContent] => Array
                (
                    [eventLinkId] => gktpecf3cbc57e4a4d7698e9d00d4efce254
                )

        )

)

✅ UPI Intent Deeplink