JUMP TOAPI ReferenceIntroductionAuthenticationReturns ScopeOrders ScopeCarts ScopeDeveloper Tools ScopeRate LimitsPaginated RequestsError CodesWebhooksSetting Up WebhooksHMAC CalculationWebhooksReturn WebhookLabel WebhookRestocking WebhookGiftcard Requested WebhookHappy Returns Shipment Processed WebhookReturns APIReturn ActionsProcess ReturnpostRemove Line ItemspostCancel ReturnpostFlag ReturnpostClose ReturnpostGet Return NotesgetCreate Return NotepostCreate Return Deep LinkpostCreate Return Deep Link with QR CodepostReturn DataDetailed Returns ListgetGet Return DetailsgetAdvanced Shipping NoticegetListings APIBlocklistList Blocklist ItemsgetCreate Blocklist ItempostGet Blocklist ItemgetDelete Blocklist ItemdeleteAllowlistList Allowlist ItemsgetCreate Allowlist ItempostGet Allowlist ItemgetDelete Allowlist ItemdeleteProgrammatic Webhooks APIGetting Started With the Programmatic Webhooks APIProgrammatic WebhooksGet WebhooksgetCreate WebhookpostDelete WebhookdeleteUpdate WebhookputCart API (On-Store)Getting Started With the Cart APICartCreate CartpostGet CartgetUpdate CartpostDelete CartdeleteComplete TransactionOn-Store SDKDispositioning APIGrade ItemsGrade ItemspostAssess DispositionsAssess DispositionspostDestinations APIDestinationsGet All DestinationsgetCreate DestinationpostGet Destination DetailsgetUpdate DestinationputDelete DestinationdeleteFraud Reports APIReturn ActionsCreate Fraud ReportpostHappy Returns Shipment APIHappy Returns ShipmentGet Shipment InformationgetGet ShipmentsgetHappy Returns Shipment ItemsGet Shipment ItemsgetGetting Started With the Programmatic Webhooks APIGet notified of important events in Loop by configuring webhook subscriptions via the API. Authentication This API requires API key authentication. The key must have the Developer Tools scope.
