Vocalware Text-to-Speech API
Vocalware is Oddcast's cloud text-to-speech service. It exposes a pay-as-you-go HTTP/REST API (suitable for mobile and server-side/standalone apps) and a JavaScript/HTML5 API (for in-browser playback), offering hundreds of voices in over thirty languages. Requests are authenticated with an account id and API key plus a per-request checksum; audio is returned as a playable stream (a stream is one playback instance up to 60 seconds).