# Get URL to add a payment method Get a URL to the payment management page where users can securely add a new credit card. Requires authentication. Endpoint: POST /mcp/v1/actions/ud_cart_add_payment_method_url Version: 1.0.0 Security: bearerAuth ## Response 200 fields (application/json): - `url` (string) URL to the payment management page - `instructions` (string) Guidance for the user on how to add a card ## Response 401 fields