We use Google Cloud Speech API to recognize audio files.
Send a POST request to recognize your audio file.

URL: https://vrp.eu.ngrok.io/recognize
Content-Type: application/json

Fields:

• url - url to ogg file
• user_id - user's vk id (optional field)

{
  "host": <host>,
  "port": <port>
}

{
  "host": <host>,
  "database": <database name>,
  "user": <user>,
  "password": <password>
}

Documentation

{
  "api_key": <api_key>
}

• Voice recognition bot
• Voice recognition extension for Chrome