Automate outbound voice calls with Vapi from form submissions

This n8n automation connects your n8n form submissions to [Vapi AI](https://vapi.ai/?aff=onenode), 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 to users. - The form must include a phone number field: - Accept full international phone number with + and country code. Example: +11234567890 - (Optional) Add more form fields as needed for your use case.

Vapi - A [Vapi](https://vapi.ai/?aff=onenode) account with credit. - A connected phone number for outbound calls. - An assistant created and ready to make calls. - Your Vapi API key.

🔗 Useful Link - [Vapi calll endpoint](https://docs.vapi.ai/api-reference/calls/create)

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🔄 Workflow Breakdown

1. Trigger: Form Submission (n8n Form) - Starts when a submission is received from your form.