| Name | Description | Type | Package | Framework |
| IWDProtocolAdapter | This interface defines the application developer access to the protocol abstraction of the current request-response-cycle | Interface | com.sap.tc.webdynpro.services.sal.adapter.api | SAP NetWeaver |
| IWDRequest | This interface defines the application developer access to the request object of the request-response-cycle | Interface | com.sap.tc.webdynpro.services.sal.adapter.api | SAP NetWeaver |
| IWDResponse | This interface defines the application developer access to the response object of the request-response-cycle | Interface | com.sap.tc.webdynpro.services.sal.adapter.api | SAP NetWeaver |
| IWDWebContextAdapter | Interface | com.sap.tc.webdynpro.services.sal.adapter.api | SAP NetWeaver | |
| IWDWebContextAdapterFactory | The interface defines the public API of the web context adapter factory. | Interface | com.sap.tc.webdynpro.services.sal.adapter.api | SAP NetWeaver |
| WDProtocolAdapter | Class | com.sap.tc.webdynpro.services.sal.adapter.api | SAP NetWeaver | |
| WDWebContextAdapter | This class allows the access to the origin request. | Class | com.sap.tc.webdynpro.services.sal.adapter.api | SAP NetWeaver |