List conferences

GET 
/conferences

Lists conferences. Conferences are created on demand, and will expire after all participants have left the conference or after 4 hours regardless of the number of active participants. Conferences are listed in descending order by expires_at.

200:

Successful response with a list of conferences.

401:

Unauthorized. Authentication failed - the required authentication headers were either invalid or not included in the request.

422:

Unprocessable entity. The request was well-formed but could not be processed due to semantic errors. This includes validation errors, invalid parameter values, call state errors, conference errors, queue errors, recording/transcription errors, and business logic violations.