# Retrieve product tax categories

Use the **getProductTaxCategories** method via SOAP API 6.0 to retrieve the available tax categories and manage them for your catalog products.

## Request parameters

<table><thead><tr><th width="208.666748046875">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><code>ProductTaxCategories</code></td><td><strong>Required (string)</strong><br>The product tax category for the product.</td></tr></tbody></table>

### Request sample

```php
<?php
declare(strict_types=1);

class Configuration
{
    public const MERCHANT_CODE = '';
    public const MERCHANT_KEY = '';
    public const URL = 'http://api.2checkout.com/soap/6.0';
    public const ACTION = 'getTaxCategories';
    public const ADDITIONAL_OPTIONS = null;
    //array or JSON
    public const PAYLOAD = [];
}

class Client
{
    public function call(
        string $url = Configuration::URL,
        $payload = Configuration::PAYLOAD,
        string $action = Configuration::ACTION
    ) {
        if (is_array($payload)) {
            $payload = json_encode($payload);
        }
        if (!empty($payload)) {
            // SoapClient works with objects(StdClass)
            $payload = json_decode($payload);
        }
        $soapClient = $this->getClient($url);
        $sessionId = $this->getSession($soapClient);
        $args = array_filter([$sessionId, $payload]);

        return $soapClient->$action(...$args);
    }

    public function getClient(string $url): SoapClient
    {
        return new SoapClient(
            $url.'?wsdl',
            [\
                'location' => $url,\
                'cache_wsdl' => WSDL_CACHE_NONE,\
            ]
        );
    }

    public function getSession(SoapClient $client)
    {
        $date = gmdate('Y-m-d H:i:s');
        $merchantCode = Configuration::MERCHANT_CODE;
        $key = Configuration::MERCHANT_KEY;
        $string = strlen($merchantCode).$merchantCode.strlen($date).$date;
        $hash = hash_hmac('md5', $string, $key);
        $client->__setCookie('XDEBUG_SESSION', 'PHPSTORM');

        return $client->login($merchantCode, $date, $hash);
    }
}

$client = new Client();
$result = $client->call();
var_dump($result);
```

## Response parameters

<table><thead><tr><th width="115.86669921875">Parameter</th><th>Type</th></tr></thead><tbody><tr><td><a href="/pages/e33b990b9c794dc9b5dac44a30261b024be03957"><code>Product</code></a></td><td><strong>Object</strong></td></tr></tbody></table>


---

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Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
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```

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