# Add domain renewals to cart

Add one or more domain renewals to the shopping cart. User must own the domains to renew them. Returns the updated cart summary. Requires authentication.

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

## Request fields (application/json):

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

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

  - `domains.quantity` (integer)
    Renewal period in years (1-10, default: 1)

## Response 200 fields (application/json):

  - `addedRenewals` (array)

  - `addedRenewals.domain` (string)
    Domain name

  - `addedRenewals.success` (boolean)

  - `addedRenewals.productId` (number)

  - `addedRenewals.renewalPeriodYears` (number)
    Renewal period in years

  - `addedRenewals.error` (string)

  - `successCount` (number)

  - `failureCount` (number)

  - `cart` (object)

  - `cart.itemCount` (number)

  - `cart.subtotal` (number)

  - `cart.subtotalFormatted` (string)


## Response 401 fields