{
   "metaData": {
      "message": null,
      "referenceId": "5ae6e6d94b4b5f9dee282b95f6020c98",
      "statusCode": null,
      "txnId": "upiIntentTxn12345",
      "txnStatus": "pending",
      "unmappedStatus": "pending"
   },
   "result": {
      "paymentId": "15257049438",
      "merchantName": "Your Merchant Name",
      "merchantVpa": "merchant@hdfcbank",
      "amount": "10.00",
      "intentURIData": "upi://mandate?pa=merchant@hdfcbank&pn=MERCHANT NAME&mn=&tid=upiIntentTxn12345&validitystart=05062025&validityend=01122025&am=10.00&amrule=MAX&recur=MONTHLY&recurvalue=30&recurtype=&tr=15257049438&cu=INR&mc=5411&tn=UPI Transaction for upiIntentTxn12345&mode=13&purpose=14&orgid=159240&rev=Y&block=N&txnType=CREATE",
      "postToBank": {
         "token": "C6ABAA6A-F0CE-432A-61C1-CFA48EDE847B",
         "amount": "10.00",
         "mihpayid": "5ae6e6d94b4b5f9dee282b95f6020c98",
         "disableIntentSeamlessFailure": "0",
         "payeeVpa": "merchant@hdfcbank",
         "payeeName": "Your Merchant Name",
         "additionalCharges": 0,
         "transactionFee": "10.00"
      },
      "issuerUrl": "https://secure.payu.in/intentSeamlessHandler.php"
   }
}

  unmappedstatus=success&phone=9988776655&txnid=upiConsentTxn12345&hash=84e335094bbcb2ddaa0f9a488eb338e143b273765d89c9dfa502402562d0b6f3c7935e28194ca92f380be7c84c3695415b106dcf52cb016a15fcf6adc98d724&status=success&firstname=Ashish&productinfo=Monthly Subscription&mode=UPI&amount=10.00&[email protected]&mihpayid=403993715525317379&surl=https://example.com/success&payment_source=sist

function validateWebhookHash($response, $salt) {
    $hashSequence = "status||||||udf5|udf4|udf3|udf2|udf1|email|firstname|productinfo|amount|txnid|key";
    $hashVarsSeq = explode('|', $hashSequence);
    
    $hashString = $salt . '|';
    foreach(array_reverse($hashVarsSeq) as $hashVar) {
        $hashString .= isset($response[$hashVar]) ? $response[$hashVar] : '';
        $hashString .= '|';
    }
    $hashString = rtrim($hashString, '|');
    
    $calculatedHash = strtolower(hash('sha512', $hashString));
    $receivedHash = strtolower($response['hash']);
    
    return $calculatedHash === $receivedHash;
}

curl --location 'https://test.info.payu.in/merchant/postservice.php?form=2' \
--header 'Content-Type: application/x-www-form-urlencoded' \
--data-urlencode 'command=pre_debit_SI' \
--data-urlencode 'var1={"authpayuid":"999000000000826","requestid":"RCS0123459PD","debitdate":"2024-11-22","amount":"125","invoiceDisplayNumber":"12345678910"}' \
--data-urlencode 'key=JP***g' \
--data-urlencode 'hash=abc0ada2e12'

import requests

url = "https://test.info.payu.in/merchant/postservice.php?form=2"

payload = {
    "command": "pre_debit_SI",
    "var1": '{"authpayuid":"999000000000826","requestid":"RCS0123459PD","debitdate":"2024-11-22","amount":"125","invoiceDisplayNumber":"12345678910"}',
    "key": "JP***g",
    "hash": "abc0ada2e12"
}

headers = {
    "Content-Type": "application/x-www-form-urlencoded"
}

response = requests.post(url, data=payload, headers=headers)
print(response.json())

using System;
using System.Net.Http;
using System.Collections.Generic;
using System.Threading.Tasks;

class Program
{
    static async Task Main()
    {
        using var client = new HttpClient();
        
        var content = new FormUrlEncodedContent(new[]
        {
            new KeyValuePair<string, string>("command", "pre_debit_SI"),
            new KeyValuePair<string, string>("var1", "{\"authpayuid\":\"999000000000826\",\"requestid\":\"RCS0123459PD\",\"debitdate\":\"2024-11-22\",\"amount\":\"125\",\"invoiceDisplayNumber\":\"12345678910\"}"),
            new KeyValuePair<string, string>("key", "JP***g"),
            new KeyValuePair<string, string>("hash", "abc0ada2e12")
        });
        
        var response = await client.PostAsync("https://test.info.payu.in/merchant/postservice.php?form=2", content);
        var result = await response.Content.ReadAsStringAsync();
        Console.WriteLine(result);
    }
}

const sendPreDebitRequest = async () => {
    const url = "https://test.info.payu.in/merchant/postservice.php?form=2";
    
    const params = new URLSearchParams();
    params.append("command", "pre_debit_SI");
    params.append("var1", JSON.stringify({
        authpayuid: "999000000000826",
        requestid: "RCS0123459PD",
        debitdate: "2024-11-22",
        amount: "125",
        invoiceDisplayNumber: "12345678910"
    }));
    params.append("key", "JP***g");
    params.append("hash", "abc0ada2e12");
    
    const response = await fetch(url, {
        method: "POST",
        headers: {
            "Content-Type": "application/x-www-form-urlencoded"
        },
        body: params
    });
    
    const data = await response.json();
    console.log(data);
};

sendPreDebitRequest();

import java.io.*;
import java.net.*;
import java.nio.charset.StandardCharsets;

public class PreDebitSI {
    public static void main(String[] args) throws Exception {
        String url = "https://test.info.payu.in/merchant/postservice.php?form=2";
        
        String params = "command=pre_debit_SI" +
            "&var1=" + URLEncoder.encode("{\"authpayuid\":\"999000000000826\",\"requestid\":\"RCS0123459PD\",\"debitdate\":\"2024-11-22\",\"amount\":\"125\",\"invoiceDisplayNumber\":\"12345678910\"}", StandardCharsets.UTF_8) +
            "&key=JP***g" +
            "&hash=abc0ada2e12";
        
        HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection();
        conn.setRequestMethod("POST");
        conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
        conn.setDoOutput(true);
        
        try (OutputStream os = conn.getOutputStream()) {
            os.write(params.getBytes(StandardCharsets.UTF_8));
        }
        
        try (BufferedReader br = new BufferedReader(new InputStreamReader(conn.getInputStream()))) {
            String line;
            while ((line = br.readLine()) != null) {
                System.out.println(line);
            }
        }
    }
}

<?php
$url = "https://test.info.payu.in/merchant/postservice.php?form=2";

$data = array(
    "command" => "pre_debit_SI",
    "var1" => json_encode(array(
        "authpayuid" => "999000000000826",
        "requestid" => "RCS0123459PD",
        "debitdate" => "2024-11-22",
        "amount" => "125",
        "invoiceDisplayNumber" => "12345678910"
    )),
    "key" => "JP***g",
    "hash" => "abc0ada2e12"
);

$ch = curl_init($url);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: application/x-www-form-urlencoded"));

$response = curl_exec($ch);
curl_close($ch);

echo $response;
?>

{
    "status": "1",
    "action": "MANDATE_PRE_DEBIT",
    "message": "Request Processed Successfully"
}

curl -X POST "https://test.payu.in/merchant/postservice?form=2" \
-H "accept: application/json" \
-H "Content-Type: application/x-www-form-urlencoded" \
-d "key=JPM7Fg&command=si_transaction&var1={
  \"authpayuid\": \"6611192557\",
  \"amount\": \"100.00\",
  \"txnid\": \"REC15113506209\",
  \"phone\": \"9999999999\",
  \"email\": \"[email protected]\",
  \"firstname\": \"John\",
  \"lastname\": \"Doe\",
  \"address1\": \"123 Main Street\",
  \"city\": \"Mumbai\",
  \"state\": \"Maharashtra\",
  \"country\": \"IN\",
  \"zipcode\": \"400001\",
  \"invoiceDisplayNumber\": \"12345678910\",
  \"udf1\": \"ABCDE1234F\",
  \"udf2\": \"\",
  \"udf3\": \"15-08-1990\",
  \"udf4\": \"\",
  \"udf5\": \"INV789012\"
}&hash=jbUS07Og8BToVZ..."

import requests

url = "https://test.payu.in/merchant/postservice?form=2"

payload = {
    "key": "JPM7Fg",
    "command": "si_transaction",
    "var1": '{"authpayuid":"6611192557","amount":"100.00","txnid":"REC15113506209","phone":"9999999999","email":"[email protected]","firstname":"John","lastname":"Doe","address1":"123 Main Street","city":"Mumbai","state":"Maharashtra","country":"IN","zipcode":"400001","invoiceDisplayNumber":"12345678910","udf1":"ABCDE1234F","udf2":"","udf3":"15-08-1990","udf4":"","udf5":"INV789012"}',
    "hash": "jbUS07Og8BToVZ..."
}

headers = {
    "accept": "application/json",
    "Content-Type": "application/x-www-form-urlencoded"
}

response = requests.post(url, data=payload, headers=headers)
print(response.json())

using System;
using System.Net.Http;
using System.Collections.Generic;
using System.Threading.Tasks;

class Program
{
    static async Task Main()
    {
        using var client = new HttpClient();
        
        var content = new FormUrlEncodedContent(new[]
        {
            new KeyValuePair<string, string>("key", "JPM7Fg"),
            new KeyValuePair<string, string>("command", "si_transaction"),
            new KeyValuePair<string, string>("var1", "{\"authpayuid\":\"6611192557\",\"amount\":\"100.00\",\"txnid\":\"REC15113506209\",\"phone\":\"9999999999\",\"email\":\"[email protected]\",\"firstname\":\"John\",\"lastname\":\"Doe\",\"address1\":\"123 Main Street\",\"city\":\"Mumbai\",\"state\":\"Maharashtra\",\"country\":\"IN\",\"zipcode\":\"400001\",\"invoiceDisplayNumber\":\"12345678910\",\"udf1\":\"ABCDE1234F\",\"udf2\":\"\",\"udf3\":\"15-08-1990\",\"udf4\":\"\",\"udf5\":\"INV789012\"}"),
            new KeyValuePair<string, string>("hash", "jbUS07Og8BToVZ...")
        });
        
        var response = await client.PostAsync("https://test.payu.in/merchant/postservice?form=2", content);
        var result = await response.Content.ReadAsStringAsync();
        Console.WriteLine(result);
    }
}

const executeRecurringPayment = async () => {
    const url = "https://test.payu.in/merchant/postservice?form=2";
    
    const params = new URLSearchParams();
    params.append("key", "JPM7Fg");
    params.append("command", "si_transaction");
    params.append("var1", JSON.stringify({
        authpayuid: "6611192557",
        amount: "100.00",
        txnid: "REC15113506209",
        phone: "9999999999",
        email: "[email protected]",
        firstname: "John",
        lastname: "Doe",
        address1: "123 Main Street",
        city: "Mumbai",
        state: "Maharashtra",
        country: "IN",
        zipcode: "400001",
        invoiceDisplayNumber: "12345678910",
        udf1: "ABCDE1234F",
        udf2: "",
        udf3: "15-08-1990",
        udf4: "",
        udf5: "INV789012"
    }));
    params.append("hash", "jbUS07Og8BToVZ...");
    
    const response = await fetch(url, {
        method: "POST",
        headers: {
            "accept": "application/json",
            "Content-Type": "application/x-www-form-urlencoded"
        },
        body: params
    });
    
    const data = await response.json();
    console.log(data);
};

executeRecurringPayment();

import java.io.*;
import java.net.*;
import java.nio.charset.StandardCharsets;

public class RecurringPaymentTransaction {
    public static void main(String[] args) throws Exception {
        String url = "https://test.payu.in/merchant/postservice?form=2";
        
        String params = "key=JPM7Fg" +
            "&command=si_transaction" +
            "&var1=" + URLEncoder.encode("{\"authpayuid\":\"6611192557\",\"amount\":\"100.00\",\"txnid\":\"REC15113506209\",\"phone\":\"9999999999\",\"email\":\"[email protected]\",\"firstname\":\"John\",\"lastname\":\"Doe\",\"address1\":\"123 Main Street\",\"city\":\"Mumbai\",\"state\":\"Maharashtra\",\"country\":\"IN\",\"zipcode\":\"400001\",\"invoiceDisplayNumber\":\"12345678910\",\"udf1\":\"ABCDE1234F\",\"udf2\":\"\",\"udf3\":\"15-08-1990\",\"udf4\":\"\",\"udf5\":\"INV789012\"}", StandardCharsets.UTF_8) +
            "&hash=jbUS07Og8BToVZ...";
        
        HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection();
        conn.setRequestMethod("POST");
        conn.setRequestProperty("accept", "application/json");
        conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
        conn.setDoOutput(true);
        
        try (OutputStream os = conn.getOutputStream()) {
            os.write(params.getBytes(StandardCharsets.UTF_8));
        }
        
        try (BufferedReader br = new BufferedReader(new InputStreamReader(conn.getInputStream()))) {
            String line;
            while ((line = br.readLine()) != null) {
                System.out.println(line);
            }
        }
    }
}

<?php
$url = "https://test.payu.in/merchant/postservice?form=2";

$data = array(
    "key" => "JPM7Fg",
    "command" => "si_transaction",
    "var1" => json_encode(array(
        "authpayuid" => "6611192557",
        "amount" => "100.00",
        "txnid" => "REC15113506209",
        "phone" => "9999999999",
        "email" => "[email protected]",
        "firstname" => "John",
        "lastname" => "Doe",
        "address1" => "123 Main Street",
        "city" => "Mumbai",
        "state" => "Maharashtra",
        "country" => "IN",
        "zipcode" => "400001",
        "invoiceDisplayNumber" => "12345678910",
        "udf1" => "ABCDE1234F",
        "udf2" => "",
        "udf3" => "15-08-1990",
        "udf4" => "",
        "udf5" => "INV789012"
    )),
    "hash" => "jbUS07Og8BToVZ..."
);

$ch = curl_init($url);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
    "accept: application/json",
    "Content-Type: application/x-www-form-urlencoded"
));

$response = curl_exec($ch);
curl_close($ch);

echo $response;
?>

{
  "status": 1,
  "message": "Transaction Processed successfully",
  "details": {
    "REC15113506209": {
      "transactionid": "REC15113506209",
      "amount": "100.00",
      "payuid": "6611427463",
      "status": "captured",
      "field9": "Transaction Completed Successfully",
      "phone": "9999999999",
      "email": "[email protected]",
      "udf1": "ABCDE1234F",
      "udf2": "",
      "udf3": "15-08-1990",
      "udf4": "",
      "udf5": "INV789012"
    }
  }
}

  curl --location 'https://test.payu.in/merchant/postservice.php?form=2' \
  --header 'Content-Type: application/x-www-form-urlencoded' \
  --data 'form=2&key=smsplus&command=pre_debit_si&var1={"authpayuid": "25600438037", "requestId": "REQ-2024-001-SEQ2", "debitDate": "2024-12-20", "amount": "100.00", "invoiceDisplayNumber": "INV-12345", "mandateSeqNo": 2}&hash=d9e184476637002a3c2db99a7324673647a313de96e574b7a9812e99153dc1a47f0f9da9b32e3a7382bb46dce09a5eb8d4471c85e1bfc1b0dac380a67ff07b43'

  curl --location 'https://test.payu.in/merchant/postservice.php?form=2' \
  --header 'Content-Type: application/x-www-form-urlencoded' \
  --data 'form=2&key=smsplus&command=si_transaction&var1={"authpayuid": "25600438037", "invoiceDisplayNumber": "INV-12345", "amount": "100.00", "txnid": "TXN-2024-001-SEQ2", "phone": "9999999999", "email": "[email protected]", "mandateSeqNo": 2}&hash=23a6d57370cc2b2c36a7a8ff3b0894a4309a153586544399155d29fe7dc2599cbcf74519d7bc3c8da1e407a874f2c953e05704279e770332db187d1c7b0cbb4d'