The most efficient way to use V‑Cloud is to provide a callback address when submitting a transcription request. When the transcription process is complete, V‑Cloud automatically attempts a POST request with the results to the provided callback address. Callbacks are usually used to enable another application to receive and interact with the transcripts produced by V‑Cloud.

The following sections detail setting up a sample callback server, submitting an audio sample to the /transcribe endpoint, examining the results received by the sample callback server, and troubleshooting some common problems when setting up and using a callback server.