Amazon Polly is a Text-to-Speech (TTS) cloud service that converts text into lifelike speech. You can use Amazon Polly to develop applications that increase engagement and accessibility. Amazon Polly supports multiple languages and includes a variety of lifelike voices, so you can build speech-enabled applications that work in multiple locations and use the ideal voice for your customers. 

Developer Guide
Provides a conceptual overview of Amazon Polly, including detailed instructions for using the various features. Provides a complete API reference and example applications for developers.