Yandex SpeechKit
Yandex SpeechKit allows application developers to use Yandex speech technologies: speech recognition (Speech-to-Text) and speech synthesis (Text-to-Speech).
To access SpeechKit, use the HTTP API.
Speech recognition
Convert speech to text
Speech synthesis
Generate speech from typed text
Authorization in the API
Get an access token and use it in requests
Response format
Response headers and response codes
Pricing policy
Pricing and cost calculation for services