About this guide
This document covers the main objects that can be managed using the Yandex.Direct API, how to get access, 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 find this information in the Help articles for the service.
Other documentation for version 5 of the Yandex.Direct API:
Reference guide — Detailed descriptions of API version 5 methods and input and output parameters.
Migration guide for switching to version 5 — How version 5 differs from version 4 and Live 4, along with method equivalents in the old and new versions.
Troubleshooting — Answers to frequently asked questions and forms for contacting the support service.