JUMP TOIntroductionShipday APIAuthenticationErrorsCore ResourcesDelivery OrdersDelivery Order ObjectInsert OrderpostEdit OrderputRetrieve Active OrdersgetRetrieve Order DetailsgetOrders QuerypostDelete OrderdeleteAssign Order to DriverputPick Up OrdersPick Up Order ObjectInsert OrderpostCarriersCarrier ObjectRetrieve CarriersgetAdd a carrierpostDelete a carrierdeletePartnersShipday PartnersAuthenticationShipday Partner OrdersPartner Order ObjectCompleted OrdersgetOrders QuerypostRetrieve MembersMember Details ObjectRetrieve Member DetailsgetWebhooksWebhooksOrder Status UpdatePickupOrderGetting Started With Your APIOn-Demand DeliveryOn-Demand DeliveryOn-Demand Delivery Details ObjectServicesgetEstimategetAssignpostDetailsgetCancelpostAssignpost https://api.shipday.com/on-demand/assignAssign to a specific 3rd party delivery service provider. Usually, after getting an estimate.Returns Returns On-demand delivery details object