| Function | Description |
| convertFromSOAP | Convert SOAP result to S object |
| fromSOAP | Converst an XML node to an S Object |
| genSOAPClientInterface | Create R functions to access SOAP server methods |
| getNodeById | Find XML node by 'id' attribute |
| getSOAPType | Compute the SOAP type identifier for an S object |
| isHTTPError | Determines if an error occurred in an HTTP communication |
| parseSOAP | Parse XML message |
| processWSDL | Read and process a Web Service Description Language file |
| .SOAP | Invoke a SOAP method |
| SOAPClientInterface-class | Representation of machine-generated interface to SOAP methods and classes |
| SOAPFault | Create a SOAP Fault object |
| SOAPHandlers | Get SOAP function handlers |
| SOAP.logical | Convert a SOAP logical value to S |
| SOAPNameSpaces | Get SOAP namespace definitions |
| SOAPResult | Create an object to represent the raw result of a SOAP invocation |
| SOAPResult-class | Description of a the result of a SOAP request |
| SOAPServer | Create a SOAP server object |
| SOAPServer-class | Classes for SOAP Server object |
| SOAPServerDescription | Constructor for describing methods and data structures of a SOAP server |
| SOAPServerDescription-class | Description of a SOAP Server's methods and data types |
| SOAPType-class | Classes for representing types for SOAP values |
| SOAPTypes | Data objects used in SSOAP |
| toSOAP | Convert S object to SOAP format |
| writeSOAPBody | Write SOAP message elements directly to connection |
| writeTypes | Output SOAP type information for an S object. |
| WSDLMethod-class | Description of a SOAP method |