Amazon Polly is a web service that makes it easy to synthesize speech from text. The Amazon Polly service provides API operations for synthesizing high-quality speech from plain text and Speech Synthesis Markup Language (SSML), along with managing pronunciations lexicons that enable you to
curl \ -H "Authorization: $API_KEY" \ http://polly.us-east-1.amazonaws.com/v1/voices
curl \ -H "Authorization: $API_KEY" \ http://polly.us-east-1.amazonaws.com/v1/lexicons
curl \ -H "Authorization: $API_KEY" \ http://polly.us-east-1.amazonaws.com/v1/synthesisTasks