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Authentication

Last updated: 27-Jan-2023
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Overview

Use the login method for the authentication process in the 2Checkout system.

Parameters

Parameters Type/Description
merchantCode Required (String)
  Your merchant identification code.
date Required (String)
  GMT ISO Date format (e.g. 2010-01-01 12:13:14)
hash Required (Object)
  Calculated HMAC_MD5 signature based on merchantCode and date, using your secret key.

Response

Parameters

Type/Description

sessionID

String

 

Session identifier, the output of the Login method. Include sessionID into all your requests. 2Checkout throws an exception if the values are incorrect. 
The sessionID expires in 10 minutes.

Request

<?php

function callRPC($Request, $host, $Debug = true) {
    $curl = curl_init($host);
    curl_setopt($curl, CURLOPT_POST, 1);
    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0);
    curl_setopt($curl, CURLOPT_VERBOSE, true);
    curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 0);
    curl_setopt($curl, CURLOPT_SSLVERSION, 0);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($curl, CURLOPT_HTTPHEADER, array('Content-Type: application/json', 'Accept: application/json'));
    $RequestString = json_encode($Request);
    curl_setopt($curl, CURLOPT_POSTFIELDS, $RequestString);
    if ($Debug) {
        $RequestString;
    }
    $ResponseString = curl_exec($curl);
    if ($Debug) {
        $ResponseString;
    }
    if (!empty($ResponseString)) {
        var_dump($ResponseString);
        $Response = json_decode($ResponseString);
        if (isset($Response->result)) {
            return $Response->result;
        }
        if (!is_null($Response->error)) {
            var_dump($Request->method, $Response->error);
        }
    } else {
        return null;
    }
}

$host = 'https://api.2checkout.com/rpc/6.0/';

$merchantCode = "YOUR_MERCHANT_CODE"; // your account's merchant code available in the 'System settings' area of the cPanel: https://secure.2checkout.com/cpanel/account_settings.php
$key = "YOUR_SECRET_KEY"; // your account's secret key available in the 'System settings' area of the cPanel: https://secure.2checkout.com/cpanel/account_settings.php

$string = strlen($merchantCode) . $merchantCode . strlen(gmdate('Y-m-d H:i:s')) . gmdate('Y-m-d H:i:s');
$hash = hash_hmac('md5', $string, $key);

$i = 1;

$jsonRpcRequest = new stdClass();
$jsonRpcRequest->jsonrpc = '2.0';
$jsonRpcRequest->method = 'login';
$jsonRpcRequest->params = array($merchantCode, gmdate('Y-m-d H:i:s'), $hash);
$jsonRpcRequest->id = $i++;

$sessionID = callRPC($jsonRpcRequest, $host);

 

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