You want to implement a synchronous call to a remote HTTP API as an integration...

You can use an OData adapter to implement a synchronous call to a remote HTTP API as an integration flow component. An OData adapter allows you to send and receive messages using the OData protocol. OData stands for Open Data Protocol and is a standard for exposing and consuming data over HTTP or HTTPS. You can use an OData adapter to communicate with OData services that support CRUD (Create, Read, Update, Delete) operations on resources. References: Integration Software | SAP Integration Suite, Modernize Integration with SAP Integration Suite | openSAP