Paytm Payment gateway, system error in initate transaction mode php

user_10166870 0
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I am integrating paytm payment gateway in php. I am passing all the required parameters properly to generate checksum code, After hitting the curl, i am getting a system error issue in response. we have tried to contact payment regarding this, but they are not much responding regarding this issue, So i am on my own.

Below i have mentioned my code, If anyone came across this issue before, Help me out to solve this prob

Checksum Code:

Kp+cPIrrZDweulOb3kEsYxMB4h3fJCtTOuT//bhEeJ3fpxIa1rvb6OfT5icCOkANyR4XCzbwhpaCrLCtGWDf/27BA06dSORyJnbqdAj8FKg=

Serverside code

 $encFile = PaytmChecksum::generateSignature($arrInputs,$mid);
 $paytmParams["head"] = array(
        "signature"    => $encFile
    );
    $post_data = json_encode($paytmParams, JSON_UNESCAPED_SLASHES);
    $url = "https://securegw-stage.paytm.in/theia/api/v1/initiateTransaction?mid=$mid&orderId=$transactionId";

    $ch = curl_init($url);
    curl_setopt($ch, CURLOPT_POST, 1);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: application/json"));
    $headers[] = 'X-Redirect-Url: http://localhost/TEWebSite/web/site/paymentresponse';
    $response = curl_exec($ch);

Initiate Transaction Response: {"head":{"requestId":null,"responseTimestamp":"1607942634809","version":"v1"},"body":{"extraParamsMap":null,"resultInfo":{"resultStatus":"U","resultCode":"00000900","resultMsg":"System error"}}}

paytm php
1 Answers

my sample.php file which is working fine may you got your problem

<?php
require_once("PaytmChecksum.php");

$mid = $_POST["mid"];
$orderId = $_POST["orderId"];
$amount = $_POST["amount"];
$userId = $_POST["userId"];



$paytmParams = array();

$paytmParams["body"] = array(
    "requestType"   => "Payment",
    "mid"           => $mid,
    "websiteName"   => "WEBSTAGING",
    "orderId"       => $orderId,
    "callbackUrl"   => "https://securegw-stage.paytm.in/theia/paytmCallback?ORDER_ID=$orderId>",
    "txnAmount"     => array(
        "value"     => intval($amount),
        "currency"  => "INR",
    ),
    "userInfo"      => array(
        "custId"    => "userId",
    ),
);

$checksum = PaytmChecksum::generateSignature(json_encode($paytmParams["body"], JSON_UNESCAPED_SLASHES), "MKMo2%0SvLS_5z4%");

$paytmParams["head"] = array(
    "signature"    => $checksum
);

$post_data = json_encode($paytmParams, JSON_UNESCAPED_SLASHES);

$url = "https://securegw-stage.paytm.in/theia/api/v1/initiateTransaction?mid=ZpsqDd42488117746297&orderId=$orderId";



$ch = curl_init($url);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); 
curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: application/json")); 
$response = curl_exec($ch);
print_r($response);```
user_170676330
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