API SpecsCartsGet active cartReturns the current cart state for the viewer and catalog handle.GET/api/unstable/carts/{handle}TestReturns the current cart state for the viewer and catalog handle.Response Body200application/json400application/json401403application/json404application/json409application/json422application/json503504application/jsonCartsPublic catalog cart endpoints served through Effect HttpApi.Update cart comment PATCHStores or clears the customer comment associated with the active cart.