API SpecsCartsGet active cartReturns the current cart state for the viewer and catalog handle.GET/api/carts/{handle}TestReturns the current cart state for the viewer and catalog handle.Path Parametershandle*stringStable handle used in routes and lookups.Example"starter-catalog"Query ParameterscartId?string|nullcart identifier.Response Body200application/json400application/json401application/json403application/json404application/json409application/json422application/json503application/json504application/jsonCartsPublic catalog cart endpoints served through Effect HttpApi.List session carts GETReturns the carts associated with the current session and catalog handle.