V-Cloud API docs
Documentation for V‑Cloud, the REST API for Voci's cloud ASR engine service
The V‑Cloud API is a collection of REST web services that can be accessed by any programming language capable of performing HTTP POST and GET calls. The endpoint for this service is available at
Available methods and mandatory parameters for the V‑Cloud API are discussed in Querying V‑Cloud status and Transcribing audio files. V‑Cloud transcription parameters has a complete list of all the available V‑Cloud parameters.
transcode=true. Refer to Adjusting for audio for more information on the transcode parameter.
The V‑Cloud API utilizes web services to receive requests and return results. The following image illustrates some web service interactions between your system and the V‑Cloud API.
To transcribe an audio file, send a
POST request with a single audio file or a zip file containing multiple audio files. Successful
POST requests return a
requestid to retrieve the results in a separate
GET request. Alternatively, if you have a callback server set up, the results automatically post to the specified endpoint when the transcription process is complete.
The callback mechanism is the recommended way to receive transcription results. It provides the shortest turnaround time because no subsequent request is required to retrieve results.