You can use the Yandex.Direct API to create applications for managing advertising campaigns, such as automating routine operations, using your own bid management algorithms, downloading statistics, and completing many other tasks.
Changes in data structures in API 4 and Live 4: types changed for the BannerID, BannerIDS, Banner, Banners, AdID, AdIDS, and AdGroupID parameters. Details
The Ads service now supports callouts for text and image ads and dynamic text ads. Added support for images for ads with the “Ads for mobile apps” type.