Feature Requests

It would be great if Zyphra ZONOS model is added to VAPI. Zonos-v0.1 is featuring two expressive and real-time text-to-speech (TTS) models with high-fidelity voice cloning. https://www.zyphra.com/post/beta-release-of-zonos-v0-1 https://www.zyphra.com/

It will be great if existing tools can be re-used as a central/common place for functions that can be shared between workflows. It seems limiting to not allow workflows to call existing tools.

I see you show the code for the workflow but I can not make edits to it or upload my own code for a custom workflow. I would like to program out my workflow, add or upload it, and run it like I would in Twilio studio flow.

Please integrate voices from smallest-ai. They have nice voices of some exotic voices like Bengali language like "Arindam"

SSML for Playht

Please add autosave. I just lost three hours of work

It would be helpful to be able to spin up organizations on behalf of my customers where every customer is an Organization in Vapi (basically subaccounts).

I'd like to test the API within the workflow builder prior to making a test call.

Not able to turn on backchannelling both in API and in server SDKs, please bring this back