> For the complete documentation index, see [llms.txt](https://docs.2checkout.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.2checkout.com/json-rpc-api-reference/json-rpc-api-6.0/api-requests/place-orders-with-catalog-products/use-direct-debit.md).

# Use Direct Debit

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

## Request parameters

<table><thead><tr><th width="122.2666015625">Parameter</th><th>Type / Description</th></tr></thead><tbody><tr><td><code>sessionID</code></td><td><strong>Required (string)</strong><br>Session identifier, the output of the <strong>Login</strong> method. Include <code>sessionID</code> into all your requests. 2Checkout throws an exception if the values are incorrect. The <code>sessionID</code> expires in <strong>10 minutes</strong>.</td></tr><tr><td><a href="/pages/1Nzq8FH3DErKvpOktB0W"><code>Order</code></a></td><td><strong>Required (object)</strong><br>Object designed to collect all data necessary for an order, including billing, product/subscription plan and payment details.</td></tr></tbody></table>

### Request sample

```php
<?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": "customer@2checkout.com",
        "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": "customer@2checkout.com",
        "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

<table><thead><tr><th width="179.86669921875">Parameter</th><th>Type</th></tr></thead><tbody><tr><td><a href="/pages/296f77b2320970fcc8c6d6047e6ecabcaa996ffa"><code>Order information</code></a></td><td><strong>Object</strong></td></tr></tbody></table>


---

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