Starting from December 31, push API methods will be unavailable. From October 1, they may be unstable.
The push component of the API — Yandex.Market requests to the store
This section describes how to set up work with the push component. Yandex Market API, — that is, how to receive and respond to Market requests.
The push component allows you to receive notifications about new orders and order-related events via the API., — status changes, cancellations, and so on.
It is not necessary to configure the push component and use this functionality: you can simply ask the Market about the changes yourself.