Shopping Cart API
Allows you to create/modify shopping cart and create an order after complete filling the shopping cart. Consists of two main parts: Shopping Cart and Checkout processes.
Module: Mage_Checkout
Resource: cart_product
Method:
- cart_product.add (SOAP V1)
 - shoppingCartProductAdd (SOAP V2)
 
Allows you to add one or more products to the shopping cart (quote).
Arguments:
| Type | Name | Description | 
|---|---|---|
| string | sessionId | Session ID | 
| int | quoteId |  Shopping cart ID (quote ID)  | 
|  array  | 
 products\productsData  | 
 An array with the list of shoppingCartProductEntity  | 
|  string  | 
 storeId  | 
 Store view ID or code (optional)  | 
Returns:
| Type | Description | 
|---|---|
| boolean | True on success (if the product is added to the shopping cart) | 
The shoppingCartProductEntity array attributes are as follows:
| Type | Name | Description | 
|---|---|---|
| string | product_id | ID of the product to be added to the shopping cart (quote) (optional) | 
|  string  | 
 sku  | 
 SKU of the product to be added to the shopping cart (quote) (optional)  | 
|  double  | 
 qty  | 
 Number of products to be added to the shopping cart (quote) (optional)  | 
|  associativeArray  | 
 options  | 
 An array in the form of option_id => content (optional)  | 
|  associativeArray  | 
 bundle_option  | 
An array of bundle item options (optional) | 
|  associativeArray  | 
 bundle_option_qty  | 
An array of bundle items quantity (optional) | 
|  ArrayOfString  | 
 links  | 
An array of links (optional) | 
Faults:
No Faults.
Examples
Request Example SOAP V1
$proxy = new SoapClient('http://magentohost/api/soap/?wsdl');
$sessionId = $proxy->login('apiUser', 'apiKey');
$quoteId = $proxy->call( $sessionId, 'cart.create', array( 'magento_store' ) );
$arrProducts = array(
	array(
		"product_id" => "1",
		"qty" => 2
                "options" => array(         
                    optionId_1 => optionValue_1,
                    ...,
                    optionId_n => optionValue_n
                 )
	),
	array(
		"sku" => "testSKU",
		"quantity" => 4
	)
);
$resultCartProductAdd = $proxy->call(
	$sessionId,
	"cart_product.add",
	array(
		$quoteId,
		$arrProducts
	)
);
		Request Example SOAP V2
$proxy = new SoapClient('http://magentohost/api/v2_soap/?wsdl'); 
 
$sessionId = $proxy->login('apiUser', 'apiKey'); 
  
$result = $proxy->shoppingCartProductAdd($sessionId, 10, array(array(
'product_id' => '4',
'sku' => 'simple_product',
'qty' => '5',
'options' => null,
'bundle_option' => null,
'bundle_option_qty' => null,
'links' => null
)));   
 
 
var_dump($result);
		Request Example SOAP V2 (WS-I Compliance Mode)
$proxy = new SoapClient('http://magentohost/api/v2_soap/?wsdl');
$sessionId = $proxy->login((object)array('username' => 'apiUser', 'apiKey' => 'apiKey'));
$result = $proxy->shoppingCartProductAdd((object)array('sessionId' => $sessionId->result, 'quoteId' => 10, 'productsData' => array(array(
'product_id' => '4',
'sku' => 'simple_product',
'qty' => '1',
'options' => null,
'bundle_option' => null,
'bundle_option_qty' => null,
'links' => null
))));
var_dump($result->result);