Amazon Web Services
Cloud platform; Amazon Polly (text-to-speech) and Transcribe (speech-to-text) speech services.
API products
AWS End User Messaging
AWS End User Messaging empowers developers to integrate scalable and reliable messaging capabilities into their applications. AWS End User Messaging helps you engage your customers by sending them SMS, voice messages, WhatsApp, and push notifications.
Amazon Polly
"Amazon Polly is a cloud service that converts text into lifelike speech. You can use Amazon Polly to develop applications that increase engagement and accessibility."
Amazon Simple Email Service
Amazon Simple Email Service (Amazon SES) is a cloud-based email service provider that can integrate into any application for high-volume email automation.
Amazon Textract
"Automatically extract printed text, handwriting, layout elements, and data from any document"
Amazon Transcribe
"Amazon Transcribe is an automatic speech recognition service that uses machine learning models to convert audio to text. You can use Amazon Transcribe as a standalone transcription service or to add speech-to-text capabilities to any application."