The purpose of this document is to describe Web Services API Version 4.0 (WS4) with HTTP extensions which is implemented in the current release of the Thru Service and used by Outlook Client 2.X. Thru’s services are built on a service oriented architecture that provides extensive API via Web services.
Complete the form to view the online Thru SOAP API Programming Reference Guide (also available for download as PDF).
Previous versions are also available via this submission:
View the SOAP API Reference Guide