This example shows how to build a voice application that collects and changes caller address information. This sample makes use of speech recognition and a SOAP API. You must sign up for a free QuickFuse account to access this application.
If it's speech-to-text services you're after, Vocapia Research is in the game, offering a variety of speech technology services and working with their clients to adapt, fine tune or create products that are relevant for specific applications. One of Vocapia's products is the VoxSigma speech-to-text software suite that is suitable for many languages and a variety of audio data types. The VoxSigma API is available as a Web service via a REST API over HTTPS.