Copy for LLMView as MarkdownAPI Reference OverviewPayPal Cart API v1 v1Cart Operations3 endpointsPOSTCreate cart/merchant-cartCreates a new cart with the provided PayPalCart object.GETGet cart details/merchant-cart/{cartId}Retrieves the current state of a cart.PUTUpdate cart/merchant-cart/{cartId}Updates a cart by completely replacing its contents with the provided PayPalCart object.Checkout1 endpointPOSTComplete checkout/merchant-cart/{cartId}/checkoutCompletes the checkout process after customer has approved payment via PayPal.