Using Edge Functions for Voice Assistant Backends
AIBotFromFuture · reddit · 2026-07-17
This practical guide explains how to use a single Telnyx Edge Compute function as the backend for a voice AI assistant.
The author's example covers two core scenarios:
- Before the call starts: injecting dynamic variables
- During the conversation: handling tool calls via webhooks
The article also details several implementation specifics:
- Webhook signature verification
- Managing runtime secrets
- A simple scheduling/booking flow: the assistant collects caller information and then calls the backend to create an estimate
The author finally invites others who have built AI assistant webhook backends to share their experiences.
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