# Add domains to cart for registration

Add one or more domains to the shopping cart for fresh registration. Returns the updated cart summary. Requires authentication.

Endpoint: POST /mcp/v1/actions/ud_cart_add_domain_registration
Version: 1.0.0
Security: bearerAuth

## Request fields (application/json):

  - `domains` (array, required)
    Array of domains to add to the cart

  - `domains.name` (string, required)
    Full domain name (e.g., "example.com")

  - `domains.productType` (string)
    Product type (default: Domain)

  - `domains.quantity` (integer)
    Registration years (1-10, default: 1)

## Response 200 fields (application/json):

  - `addedProducts` (array)

  - `addedProducts.domain` (string)

  - `addedProducts.success` (boolean)

  - `addedProducts.error` (string)

  - `addedProducts.productId` (number)

  - `successCount` (number)

  - `failureCount` (number)

  - `cart` (object)

  - `cart.itemCount` (number)

  - `cart.subtotal` (number)

  - `cart.subtotalFormatted` (string)


## Response 401 fields