Back to work
Voice + LLM + tool calls
Vapi Voice Assistant
A general-purpose conversational assistant that connects open-domain, contextual LLM answers to n8n webhook tools for meetings, pricing, support, lead capture, and safe escalation.
Scroll into system
System anatomy
What the product has to coordinate.
01
Vapi receives caller input and conversation context
02
Webhook normalizes structured payloads and selects action branches
03
LLM/tool response is compressed into concise voice-ready output
Signals
Why this work matters.
Open-domain contextual response path
Meetings, pricing, support, and lead-capture tool calls
Human escalation and failure-path thinking
Technology & concepts
01Vapi02n8n03Webhooks04LLM APIs05Tool Calling