Besides in SAP API Management, you can find policy templates in SAP API Business Accelerator Hub- Explore Categories ?? APIs. Policy templates are reusable sets of policies that can be applied to APIs to define their behavior and security. In SAP API Business Accelerator Hub, you can explore various categories of APIs that are pre-packaged with policy templates. For example, you can find APIs for sales order processing, customer master data management, product catalog management, and so on. Each API category has a set of policy templates that are suitable for its use case. Reference: SAP API Business Accelerator Hub | SAP Help Portal, Explore Categories | SAP Help Portal

To save a customer ID in a data store, you can use the WRITE operation. The WRITE operation allows you to store a value in a data store entry with a specified key. You can use the WRITE operation to create or update a data store entry with a customer ID as the key and a value as the payload. Reference: Modernize Integration with SAP Integration Suite | openSAP

A Timer event allows you to run integration flows directly after deployment. A Timer event is triggered by a predefined schedule or interval, such as every hour, every day, or every month. You can use a Timer event to initiate an integration process based on a time-based condition. Reference: Modernize Integration with SAP Integration Suite | openSAP

To test a connection to a backend system that is provided by a Cloud Connector, you must specify the location ID as a parameter for the connection test. The location ID is a unique identifier that represents a Cloud Connector instance in a specific network location. It is used to route requests from SAP Integration Suite to the correct Cloud Connector instance and then to the backend system. You can find the location ID in the Cloud Connector administration UI under Configuration Location ID. Reference: Cloud Connector Connectivity Tests | SAP Help Portal, Cloud Connector Configuration | SAP Help Portal

The http response code that indicates success is 200. The 200 response code means that the request was successfully processed and the response contains the expected data. Other response codes in the 2xx range also indicate success, but with some variations. For example, 201 means that a resource was created, 202 means that a request was accepted but not completed yet, and 204 means that there is no content in the response. Reference: Integration Software | SAP Integration Suite, Modernize Integration with SAP Integration Suite | openSAP