Use Direct Debit

Place an order using catalog products, and collect the payment using Direct Debit

Request parameters

Parameter	Type / Description
sessionID	Required (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.
Order	Required (object) Object designed to collect all data necessary for an order, including billing, product/subscription plan and payment details.

Request sample

<?php

declare(strict_types=1);

class Configuration
{
    public const MERCHANT_CODE = 'MERCHANT_CODE';
    public const MERCHANT_KEY = 'SECRET_KEY';
    public const URL = 'https://api.2checkout.com/rpc/6.0';
    public const ACTION = 'placeOrder';
    //array or JSON
    public const PAYLOAD = <<<JSON
{
    "Currency": "EUR",
    "Language": "EN",
    "Country": "NL",
    "CustomerIP": "91.220.121.21",
    "Source": "sourceAPI.net",
    "LocalTime": "2020-07-01 13:18:18",
    "Items": [
        {
            "Code": "A01",
            "Quantity": 1
        }
    ],
    "BillingDetails": {
        "Address1": "Test Address",
        "Address2": "Test Address 2",
        "City": "Berlin",
        "State": "Berlin",
        "CountryCode": "NL",
        "Phone": 1234567,
        "Email": "[e-mail]",
        "FirstName": "Customer",
        "LastName": "Customer",
        "Company": "Test Company",
        "Zip": "12345"
    },
    "DeliveryDetails": {
        "Address1": "Test Address",
        "Address2": "Test Address 2",
        "City": "Berlin",
        "State": "Berlin",
        "CountryCode": "NL",
        "Phone": "12345",
        "Email": "[e-mail]",
        "FirstName": "Customer",
        "LastName": "Customer",
        "Zip": 12345
    },
    "PaymentDetails": {
        "Type": "DIRECTDEBIT",
        "Currency": "EUR",
        "CustomerIP": "91.220.121.21",
        "PaymentMethod": {
            "FirstName": "John",
            "LastName": "Doe",
            "RecurringEnabled": true,
            "Iban": "NL12345678910",
            "Swift": "ABNANL2A"
        }
    }
}
JSON;
}

class Client
{
    private const LOGIN_METHOD = 'login';
    private $calls = 1;
    private $sessionId;
    private function generateAuth(): array
    {
        $merchantCode = Configuration::MERCHANT_CODE;
        $key = Configuration::MERCHANT_KEY;
        $date = gmdate('Y-m-d H:i:s');
        $string = strlen($merchantCode) . $merchantCode . strlen($date) . $date;
        $hash = hash_hmac('md5', $string, $key);
        return compact('merchantCode', 'date', 'hash');
    }
    public function login(string $url)
    {
        $payload = $this->generateAuth();
        $response = $this->call($url, array_values($payload), self::LOGIN_METHOD);
        $this->sessionId = $response['result'];
    }
    public function call(
        string $url = Configuration::URL,
        $payload = Configuration::PAYLOAD,
        string $action = Configuration::ACTION
    ): ?array {
        if (empty($this->sessionId) && $action !== self::LOGIN_METHOD) {
            $this->login($url);
        }

        if(is_string($payload)) {
            $payload = json_decode($payload, true);
        }
        if (!empty($this->sessionId)) {
            $payload = [$this->sessionId, $payload];
        }
        $payload = array_filter($payload);

        $request = json_encode([
            'jsonrpc' => '2.0',
            'method' => $action,
            'params' => $payload,
            'id' => $this->calls++,
        ]);

        $curl = curl_init($url);
        curl_setopt($curl, CURLOPT_POST, 1);
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0);
        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', 'Cookie: XDEBUG_SESSION=PHPSTORM'));
        curl_setopt($curl, CURLOPT_POSTFIELDS, $request);
        $response = curl_exec($curl);
        if(empty($response)) {
            die('Server unavailable');
        }
        echo $response . '</br>';
        return json_decode($response, true);;
    }
}
$client = new Client();
$result = $client->call();
var_dump($result);

Response parameters

Parameter	Type
Order information	Object