This section contains articles describing different API versions and methods available for a particular version, as well as differences between them.
Reference book of methods for API v5
At the moment, the current version is v5. When working with API, you must use this version.
Differences between API v5 and v4
The article describes new methods and extensions that are available in API v5.
Differences between API v4 and v3
Overview and description of the differences between API methods v4 and v3.