The Bing Ads .NET Software Development Kit (SDK) Version 9.3 enhances the experience of developing Bing Ads applications with any .NET language. The SDK includes proxy classes for all Bing Ads API web services, provides a high level interface for executing bulk operations based on the Bulk API, allows to read and write bulk files and abstracts low level details of authentication with OAuth. For more information, see Bing Ads .NET SDK on MSDN.