Automate outbound voice calls with Vapi from form submissions
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
What this workflow does
This workflow has 4 nodes and runs when someone submits an n8n form (“Lead form”). It uses only n8n's built-in nodes. It also calls api.vapi.ai over HTTP.
How it runs
Trigger: When someone submits an n8n form (“Lead form”).
- Wait: waits 2 minutes
- Set fields (Edit Fields (Set)): sets 3 fields: vapiPhoneNumberId, vapiAssistantId, vapiApi
- Start outbound Vapi call (HTTP Request): calls api.vapi.ai (POST)
HTTP calls to: api.vapi.ai
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
Nodes used (4)
- HTTP Request
n8n-nodes-base.httpRequest - Edit Fields (Set)
n8n-nodes-base.set - n8n Form Trigger
n8n-nodes-base.formTrigger - Wait
n8n-nodes-base.wait
From the author
This n8n automation connects your n8n form submissions to Vapi AI, enabling you to immediately call new respondents with a personalized voice AI assistant, as soon as the form is submitted. 🧾 Requirements n8n Form - An n8n form node published and accessible…