About this guide

This document covers the main objects managed by the Yandex Direct API, getting access to the API, and the rules for calling methods.

The information in this document is current for the Yandex Direct API version 5.

The document is intended for developers who are creating applications for managing contextual advertising in Yandex Direct. It is assumed that readers understand the terminology and basic concepts of Yandex Direct. You can learn more about this in the Yandex Direct HelpHelp.

Other documentation for version 5 of the Yandex Direct API:

• — Detailed descriptions of the API version 5 methods, including input and output parameters.

• — Key differences between version 5 and versions 4 and Live 4, including a mapping of old methods to their new equivalents.

• — Answers to frequently asked questions and forms for requesting support.