UPI QR API- Developers Resources

Sandbox API ENDPOINT: https://www.omqrc.com/upiqrtestapi

Developers can integrate UPI QR Code API ( Application Programming Interface) into their web applications or mobile applications to generate dynamic UPI QR Code.

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Parameters	Data Type	Whether Mandatory	Description
apikey	string	Yes	Register and get your API key from member area
paymode	string	conditional	bankac for transferring payment by bank account and IFSC Code mobile for transferring payment by mobile no. and mmid vpa for transferring payment by UPI ID Parameter Not required for receiving payment by VPA.
vpa	string	yes	Virtual Private Address created from any bank UPI APP bankaccount@ifsccode mobileno@mmid Note:VPA will be assumed as default, in case paymode parameter is not defined.
payee	string	Yes	Receiver of the payment
txnid	string	No	This must be PSP generated id when present. In the case of Merchant payments, merchant may acquire the txn id from his PSP. If present then needs to be passed as it is.
billno	string	No	Bill No. Note: If bill Number is not supplied, then you will not be able to identify against which bill, payment has been received.
amount	Currency #.00	No	Bill Amount, In case amount is not supplied, payer will have to fill the amount.
minamt	Currency #.00	No	Minimum amount payable
txnnote	String	No	Transaction note providing a short description of the transaction.
url	string	No	Website URL for transaction related infomation
sign	string	No	Base 64 encoded Digital signature needs to be passed in this tag.
orgid	string	No	If the transaction is initiated by any PSP app then the respective orgID needs to be passed. For merchant initiated/created intent/QR "000000" will be used
mid	string	No	Merchant id (max 20) shall be passed in this tag
msid	string	No	Store id (max 20) shall be passed in this tag
mtid	string	No	Terminal id /Sales Man id (max 20) shall be passed in this tag
size	Number between 50-1000	No	Size of the UPI QR to be generated. If blank, then default size will be applied
front	Hexa Color Code for foreground	No	If not supplied , then black and white UPI QR with be generated.
back	Hexa Color Code for background	No	If not supplied , then black and white UPI QR with be generated.

Minimum Paramters Sample Requests

UPI Request with minimmum paramerters

https://www.omqrc.com/upiqrapi?apikey=apikey&vpa=vpa@upihandle&payee=payee%20name

UPI Request with paymode parameter

https://www.omqrc.com/upiqrapi?apikey=apikey&paymode=bankac&vpa=bankaccountno@ifsccode&payee=payee%20name

UPI Request with paymode, billno and amount parameter

https://www.omqrc.com/upiqrapi?apikey=apikey&paymode=bankac&vpa=bankaccountno@ifsccode&payee=payee%20name&billno=billno&amount=200.00

UPI Request with paymode, billno, amount & size parameter

https://www.omqrc.com/upiqrapi?apikey=apikey&paymode=bankac&vpa=bankaccountno@ifsccode&payee=payee%20name&billno=billno&amount=200.00&size=150

Integrating UPI QR API in HTML Pages

<img src="https://www.omqrc.com/upiqrapi?apikey=apikey&paymode=bankac&vpa=bankaccountno@ifsccode&payee=payee%20name&billno=billno&amount=200.00&size=150" alt="" title=""/>

PHP Code to Integrate UPI QR API into your website

Javascript for integrating UPI QR API into your website

//call getUPIQR function on button click
function getUPIQR(val){
	var apikey =userform.elements["apikey"].value;
	var vpa =userform.elements["vpa"].value;
var payee =userform.elements["payee"].value;

var billno =userform.elements["billno"].value;
var amount =userform.elements["amount"].value;
	
	var back=userform.elements["back"].value;
	
	var front=userform.elements["front"].value; 
	if (vpa===""){
	alert("Please Enter VPA ID");
	return false;
	
	}

var url="https://www.omqrc.com/upiqrapi?apikey="+apikey+"&vpa="+vpa+"&payee="+payee+"&billno="+billno+"&amount="+amount+"&back="+back+"&front="+front;
	var newurl=str.replace(" ","%20");
	var upiImage =escape(newurl);
	
	
	var prndiv="";
	prndiv='<div class="maindiv center">';
	prndiv+= '<div class="gallery">';
	prndiv+='<div id="printableArea" align="center">';
	
	prndiv+='<img id="UPIqrimage" name="UPIqrimage" class="responsive" src="'+ upiImage +'" alt="UPI QR" title="UPI  QR Code" width="300px" height="300px"/>';
	
	prndiv+= '</div>';
	prndiv+= '<br><br><Br>';
	prndiv+= '<div align="center">';
	prndiv+='<form id="downloadform" method="post" role="form" class="form-inline">';
	
	prndiv+='<input type="hidden" name="imgurl" id="imgurl" class="form-control" value="' + upiImage +'" >';
	prndiv+= '<button type="button" id="button1" value="button1" class="btn btn-primary input-lg" onclick="download();">Download UPI QR</button>';
	prndiv+= '</form>';
	prndiv+= '</div><br>'; 
	
	prndiv+= '<div align="center">';
	prndiv+= '<form id="prform">';
	var pdiv='printableArea';
	
	prndiv+= '<button type="button" id="button2" value="button2" class="btn btn-primary input-lg" onclick="printDiv(\'printableArea\');" />Print UPI QR</button>';
	prndiv+= '</form>';
	
	
	prndiv+= '</div>';
	prndiv+= '</div>';
	prndiv+= '</div>'; 
	document.getElementById('results').innerHTML=prndiv; 
	}

// Function to download UPI QR
function download() {
	
	var url=downloadform.elements["imgurl"].value;
	
	window.location.href = url;
	return false;
	}

// Function to Print UPI QR
function printDiv(divName) {
     var printContents = document.getElementById(divName).innerHTML;
     var originalContents = document.body.innerHTML;

document.body.innerHTML = printContents;

window.print();

document.body.innerHTML = originalContents;
}

ASP.NET Code for integrating UPI QR API into your website

//Client Side Code
<fieldset style="width:30%">
        <legend>Generate QR Code using UPI QR API</legend>
        <table>
        <tr><td>Bill No:</td><td><asp:TextBox ID="trid" runat="server"></asp:TextBox></td></tr>
        <tr><td>Bill Amount:</td><td><asp:TextBox ID="amount" runat="server"></asp:TextBox></td></tr>
        <tr><td colspan="2"><asp:Image runat="server" ID="QRImage"/></td></tr>

//Server Side Script

protected void btnsubmit_Click(object sender, EventArgs e)
        {
            try
            {

//UriBuilder uriBuilder = new UriBuilder();
                UriBuilder url = new UriBuilder("https://www.omqrc.com/upiqrapi");

url.Query = new FormUrlEncodedContent(new Dictionary<string, string>()
{
    {"apikey", "apikey"},
    {"paymode", "bankac"},
    {"vpa", "BankAccountNo@IFSCCode"},
  {"payee", "payee%20name"},
{"website", "www.omqrc.com"},
    {"billno", trid.Text},
      {"amount", amount.Text},
        {"front", "922B21"},
}).ReadAsStringAsync().Result;
                QRImage.ImageUrl = url.ToString();
                //Response.Write(url);
            }
            catch (Exception ex)
                
            {
                Response.Write(ex);  
            }
        }