SAP provides SAP Activate to customers to accelerate the implementation process for S/4HN Cloud. SAP Activate is a methodology that combines guided configuration, best practices, and proven implementation approaches for a fast and successful deployment of SAP S/4HANA Cloud. References:

When a customer has a cloud-centric landscape, you should use the following technologies to integrate SAP S/4HANA Cloud with another SAP Cloud solution:

• SAP Cloud Connector
• Predelivery APIs SAP Cloud Connector is a tool that allows you to establish secure connections between SAP S/4HANA Cloud and other SAP Cloud solutions using cloud-to-on-premise integration scenarios. Predelivery APIs are application programming interfaces that allow you to access and exchange data between SAP S/4HANA Cloud and other SAP Cloud solutions using standard protocols and formats. References: https://help.sap.com/viewer/product/SAP_S4HANA_CLOUD/latest/en-US

A letter of credit is an instrument that you can apply for as a buyer of goods to secure the transaction. A letter of credit is a type of trade finance transaction where a bank guarantees payment to a seller on behalf of a buyer, subject to certain conditions being met. Commercial paper, bank guarantee, and zero-coupon bond are not instruments that you can apply for as a buyer of goods. References: