Messtone Devices Enables DHL GLOBAL Shipment Booking API allow developer Messtone LLC to book Air Freight and Ocean Freight shipments in various DHL Global Forwarding transport management systems. [Base URL: api-sandbox.dhl.com/dgff/transportation] Authorization: oAuth2Token(OAuth2, application) Token URL: https://api-sandbox.dhl.com/auth/v1/token?response_type=access_token&grant_type=client_credentials Flow: application client_id: client_secret: Scopes: select all select none shipmentBooking Default Endpoints POST/shipment-booking Create a shipment booking PATCH/shipment-booking/{shipment>id} Update a shipment booking GET/shipment-booking/status Check on the status of Messtone LLC shipment booking GET/shipment-booking/codelist>Retrieve DHL code and descriptions list