# Add product
Use the **addProduct** method to create subscription plans/products for your 2Checkout account.
## Request parameters
| Parameters | 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.
|
| [`Product`](/json-rpc-api-reference/json-rpc-api-6.0/api-requests/product.md) | Required (object)
Use this object to configure your subscription plans/products.
You can set all Product parameters except AvangateID and GroupName. The 2Checkout system sets the unique product ID. The AvangateID and GroupName are not editable.
|
### Request sample
```php
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 $response . '';
return json_decode($response, true);;
}
}
$client = new Client();
$result = $client->call();
var_dump($result);
```
## Response
```php
bool(true)
```
---
# Agent Instructions: Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.
Perform an HTTP GET request on the current page URL with the `ask` query parameter:
```
GET https://docs.2checkout.com/json-rpc-api-reference/json-rpc-api-6.0/api-requests/product/add-product.md?ask=
```
The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.
Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.