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Video tutorials

Community tutorials

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  Build a Voice Agent in 15 Minutes Using VAPI (Easiest Tutorial)Intellagents · 7.1K views · 15:42 · February 2026
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  Deep dive into Voice AI with Vapi (Full Tutorial)Jannis Moore · 55.5K views · 26:30 · July 2024
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  I Built an AI Voice Receptionist with Vapi and n8n MCP (free template)Nate Herk | AI Automation · 129.4K views · 34:21 · December 2025

What you need

Access

Paid only

Runs on

Web app · API

You’ll need

• Google account (for Calendar tool integration)
• Phone number via Twilio or Vonage
• Own server or Make.com (for dynamic assistants)

Skill level

Some setup — keys, settings, or a connected account

Setup time

about 15 minutes

Worth knowing: Vapi's standout feature (per-call dynamic/transient assistants) requires wiring up your own backend server or a no-code tool like Make.com, not just the dashboard.

Highlights

• Visual conversation-flow builderDrag-and-drop workflow canvas with conversation nodes, conditions, and branching for building a phone agent's call flow.
• Google Calendar tool-callingConfigures check-availability and create-event tools connected to Google Calendar so the agent can book real appointments.
• Live test-call simulatorTest the voice agent directly in the dashboard, including edge cases like unavailable time slots and transfer-to-human.
• Static vs. dynamic (transient) assistantsAssistants can be pre-configured in the dashboard, or built on-the-fly per inbound call via a webhook returning a JSON assistant config.
• Configurable model/voice stackChoose the LLM (e.g. GPT-4.1), transcriber (Deepgram), and voice provider (Azure, ElevenLabs) independently per assistant.