Automate Outbound Voice Calls with Vapi from Form Submissions

This workflow connects n8n form submissions directly to Vapi AI, triggering an immediate outbound voice call to the respondent's phone number using a customizable AI assistant. Upon form submission, it waits 2 minutes, sets necessary Vapi parameters (like assistant ID, phone number ID, and API key), and initiates the call with personalized data from the form.

Key requirements include an n8n form with a phone number field (international format, e.g., +11234567890), a Vapi account with credits, a connected outbound phone number, a ready AI assistant, and your Vapi API key. Users must manually configure these in the 'Set' node for security and customization.

The workflow excels in lead nurturing, customer support, sales follow-ups, and appointment booking by providing human-like voice interactions instantly, reducing response times from hours to minutes. Benefits include higher engagement rates, personalized experiences using form data (e.g., name, product interest), and seamless integration without coding.

Ideal use cases: Real estate inquiries, e-commerce order confirmations, healthcare appointment scheduling, or any scenario where quick voice outreach converts leads better than emails or texts.