SAP S/4HANA Billing Document API
API for reading, canceling, and retrieving PDFs of billing documents in sales and distribution.
Documentation
Documentation
https://help.sap.com/docs/SAP_S4HANA_CLOUD/03c04db2a7434731b7fe21dca77440da/65680dabb62546029175655482f85edc.html
APIReference
https://api.sap.com/api/API_BILLING_DOCUMENT_SRV/resource