# Get Reference Number By Sales Order ID Get reference numbers for a list of sales order IDs. Endpoint: POST /api/v3/SalesOrder/GetReferenceNumber Version: 3.1.0 Security: OAuth2_clientCredentials ## Request fields (application/json): - `ListID` (array) Array of List Sales Order ID ## Response 200 fields (application/json): - `ID` (string) ID of Sales Order - `ReferenceNumber` (string) Number that associated with a specific invoice issued to a customer which gets from invoice Marketplace channel