Yandex SpeechKit Service Level

This document is a translation of "Yandex SpeechKit Service Level" in English. In case of conflict between the Russian version of "Yandex SpeechKit Service Level" and this translation - only the Russian version of "Yandex SpeechKit Service Level" is legally binding. The Russian version of "Yandex SpeechKit Service Level" can be found here:

This document defines the Service Level of Yandex SpeechKit (hereinafter referred to as the "Service") and forms an integral part of the Contract to Use Yandex.Cloud Platform Services and the Service Level Agreement available online at

Service Level 99,90%

Compensation Amount:

Service Availability
Uptime Percentage in the Reporting Period Compensation, % of the cost of Service used
< 99.90%-99.00% 10.0%
< 99.00%-95.00% 15.0%
less than 95.00% 30.0%

Definition of Service Unavailability:

The Service Unavailability is recorded when the server-side Error Rate exceeds 5%.

The “Error Rate” is calculated as follows: the number of Valid Queries that return HTTP Status 500 with the error code "INTERNAL_SERVER_ERROR", divided by the total number of Valid Queries per minute.

"Service Unavailability Period" shall mean the number of full minutes, during which the Service Unavailability was recorded.

“Valid Query” shall mean a query that conforms with the Service documentation and returns HTTP Status 200 (OK), if the Service functions properly.


Yandex.Cloud LLC

Web address:

Date of placing: 24.01.2019

Effective date: 24.01.2019