DOCOMO's Text to Speech API accepts inputted text in English, Katakana or Hiragana, and translates this into a natural sounding spoken voice. The API can be integrated into an Android application using the DOCOMO Text to Speech Android SDK.
Our API directory now includes 239 messaging APIs. The newest is the Parseco API. The most popular, in terms of mashups, is the Twilio SMS API. We list 169 Twilio SMS mashups. Below you'll find some more stats from the directory, including the entire list of messaging APIs.