Cancel QR Transaction API

The Cancel QR Transaction API is used to cancel the initiated transaction with PayU. The output will be a JSON.

Environment

Environments	URI
Production	https://info.payu.in/merchant/postservice.php

Request parameters

Parameter	Description	Sample Value
key `mandatory`	`string` Merchant key provided by PayU. Reference: For more information on how to generate the Key and Salt, refer to any of the following: Production: Generate Production Merchant Key and Sat. Test: Generate Test Merchant Key and Salt.	Your Test Key
command `mandatory`	`string` The parameter must contain the name of the web service.	cancel_qr_payment
hash `mandatory`	`string` This parameter must contain the hash value to be calculated at your end. The string used for calculating the hash is mentioned below: `sha512(key\|command\|var1\|salt`. sha512 is the encryption method used here.
var1 `mandatory`	json This parameter is in JSON format. For the description of fields in JSON Format, refer to the next table.

The var1 parameter is in a JSON format and the fields are described in the following table:

Field	Description	Sample
transactionId `mandatory`	`String` This is the transactionId with which initial transaction is initiated.	cancel1234
product_type `optional`	`String` This parameter can be used to indicate the product if merchant has initiated multiple in progress transactions with same txnid.	DBQR

Sample request

curl --location --request POST 'https://info.payu.in/merchant/postservice.php' \
--data-urlencode 'key=J****g' \
--data-urlencode 'command=cancel_qr_payment' \
--data-urlencode 'hash=8bb33d0ed43485019eab261cc5f73838149e3bbc1d253e63ca829ff05975c173ec9f308bafe022605aa7fce31821ea3b18df3752accd8a7f50658a96552a0860' \
--data-urlencode 'var1={"transactionId":"","product_type":"DBQR"}'

import http.client

conn = http.client.HTTPSConnection("info.payu.in")
payload = 'key=J****g&command=cancel_qr_payment&hash=8bb33d0ed43485019eab261cc5f73838149e3bbc1d253e63ca829ff05975c173ec9f308bafe022605aa7fce31821ea3b18df3752accd8a7f50658a96552a0860&var1=%7B%22transactionId%22%3A%22%22%2C%E2%80%9Dproduct_type%E2%80%9D%3A%E2%80%9DDBQR%E2%80%9D%7D'
headers = {}
conn.request("POST", "/merchant/postservice.php", payload, headers)
res = conn.getresponse()
data = res.read()
print(data.decode("utf-8"))

<?php
require_once 'HTTP/Request2.php';
$request = new HTTP_Request2();
$request->setUrl('https://info.payu.in/merchant/postservice.php');
$request->setMethod(HTTP_Request2::METHOD_POST);
$request->setConfig(array(
  'follow_redirects' => TRUE
));
$request->addPostParameter(array(
  'key' => 'J****g',
  'command' => 'cancel_qr_payment',
  'hash' => '8bb33d0ed43485019eab261cc5f73838149e3bbc1d253e63ca829ff05975c173ec9f308bafe022605aa7fce31821ea3b18df3752accd8a7f50658a96552a0860',
  'var1' => '{"transactionId":"","product_type":"DBQR"}'
));
try {
  $response = $request->send();
  if ($response->getStatus() == 200) {
    echo $response->getBody();
  }
  else {
    echo 'Unexpected HTTP status: ' . $response->getStatus() . ' ' .
    $response->getReasonPhrase();
  }
}
catch(HTTP_Request2_Exception $e) {
  echo 'Error: ' . $e->getMessage();
}

OkHttpClient client = new OkHttpClient().newBuilder()
  .build();
MediaType mediaType = MediaType.parse("text/plain");
RequestBody body = RequestBody.create(mediaType, "key=J****g&command=cancel_qr_payment&hash=8bb33d0ed43485019eab261cc5f73838149e3bbc1d253e63ca829ff05975c173ec9f308bafe022605aa7fce31821ea3b18df3752accd8a7f50658a96552a0860&var1={\"transactionId\":\"\",\"product_type\":\"DBQR\"}");
Request request = new Request.Builder()
  .url("https://info.payu.in/merchant/postservice.php")
  .method("POST", body)
  .build();
Response response = client.newCall(request).execute();

Response structure

Success response

For every success response based on outputType param:

Status	Message	Errorcode
success	Cancellation Successful	null

Failure response structure

Status	Message	Error Code	Description
-	"if it is invalid, an HTML page is shown with a message : 'Sorry, Some Problem Occurred"	-	Command name is empty
-	"if it is invalid, an HTML page is shown with a message : 'Sorry, Some Problem Occurred"	-	Merchant key is empty
-	"if it is invalid, an HTML page is shown with a message : 'Sorry, Some Problem Occurred"	-	Hash is empty
failed	transactionId is empty	E2003	"transactionId to be sent by the third Party Merchant (limit is 10 characters)"
failed	"1. the status of transaction with the given transactionId is not 'in progress' or there is no transaction with given transactionId"	E2019	"transactionId to be sent by the third Party Merchant (limit is 10 characters)"
failed	"1. the status of transaction with the given transactionId is not 'in progress' or there is no transaction with given transactionId"	E2019	"There is no [in progress] transaction with given transactionId"
failed	Invalid product_type	E2051	value sent in the field 'product_type' does not match with payu's product_type"
failed	Amount is empty or less than 1	E2004	-
failed	Amount is less than 1	E2006	-

Sample response

Empty transaction id

{
  "status": "failed",
  "message": "transactionId is empty",
  "errorCode": "E2003"
}

Invalid transaction id

{
  "status": "failed",
  "message": "There is no [in progress] transaction with given transactionId",
  "errorCode": "E2019"
}

Cancel successful

{
  "status": "success",
  "message": "Cancellation Successful",
  "errorCode": "null"
}

Invalid product type

{
  "status": "failed",
  "message": "Invalid product_type",
  "errorCode": "E2051"
}

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