How to use PayOn Library

Sign is a digital signature for verifying the authenticity of digital messages or documents. Only a valid API's sign can be interact with PAYON's server.

Initialize PAYON's Library

JAVA

import com.payon.pg.aggregator.ecommerce.gateway.client.CheckoutURIBuilder;
import com.payon.pg.aggregator.ecommerce.gateway.client.CheckoutURIBuilder.Environment;

public class OrderController {

    public static void main(String[] args) throws IOException, InterruptedException {

	CheckoutURIBuilder checkoutURIBuilder = CheckoutURIBuilder.builder()
						.env(Environment.UAT)// UAT:for TEST,PRODUCTION: production
						.apiKey(YOUR API KEY)
						.merchantId(YOUR MERCHANT ID)
						.termId(YOUR TERMINAL ID)
						.txId(YOUR TRANSACTION ID)
						.amount(YOUR CHECK OUT AMOUNT)
						.currency(YOUR CURRENCY)
						.build();
    }
}

PHP

<?php
	require_once('CheckoutURIBuilder.php');
	$lang        = "en";
	$merchantId  = "YOUR MERCHANT ID";
	$termId      = "YOUR TERM ID";
	$amount      = "YOUR CHECK OUT AMOUNT";
	$txId        = "YOUR TRANSACTION ID";
	$currency    = "YOUR CURRENCY";
	$apiKey        = "YOUR API KEY";
	$checkoutURIBuilder = new CheckoutURIBuilder($lang, $merchantId, $termId, $txId, $amount, $currency, $redirectUri, $apiKey);
	$env = new Environment();
	// get test url function $env::getTestUrl() and get real url function $env::getRealUrl()
	$url = $checkoutURIBuilder::toCheckoutUrlString($env::getTestUrl());
	echo "<a href='".$url."'>Click to Pay</a><br/>";
	
?>
	

Get Checkout Link

JAVA

String checkoutURI = checkoutURIBuilder.toCheckoutUrlString()

PHP

 <?php
     $checkoutURI = $checkoutURIBuilder::toCheckoutUrlString();
 ?>

Get API's Signature

JAVA

String sign = checkoutURIBuilder.getSign()

PHP

 <?php
     $checkoutURI = $checkoutURIBuilder::getSign();
 ?>

Arguments

env	environment mode(TEST,PRODUCTION)
apiKey	Merchant's API key, will provided after merchant registration.
termId	Merchant's terminal identification
merchantId	Merchant's identification
amount	Total amount
Currency	Currency code (KHR, USD)