Book, manage, and check appointments using Vapi and Google Calendar
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 27 nodes and runs when an HTTP POST request hits its webhook URL (plus 2 other triggers). Along the way it connects Google Calendar.
How it runs
Trigger: When an HTTP POST request hits its webhook URL (plus 2 other triggers).
- Extract Availability Request (Edit Fields (Set)): sets 3 fields: appointmentDate, appointmentTime, requestedDatetime
- Extract Booking Data (Edit Fields (Set)): sets 9 fields: name, email, phone…
- Extract Appointment Management Data (Edit Fields (Set)): sets 8 fields: action, email, originalTime…
- Get Calendar Events for Date (Google Calendar): get many
- Validate Required Fields (If): checks a condition and branches into true / false
- Route by Action Type (Switch): routes items into 2 branches
- Check Time Slot Availability (If): checks a condition and branches into true / false
- Create Calendar Event (Google Calendar): uses Google Calendar
- Format Validation Error Response (Code): runs custom JavaScript code
- Find Appointment to Update (Google Calendar): get many
…plus 14 more steps. See the full node list below.
Services it uses
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 (7)
- Webhook
n8n-nodes-base.webhook - Edit Fields (Set)
n8n-nodes-base.set - If
n8n-nodes-base.if - Respond to Webhook
n8n-nodes-base.respondToWebhook - Google Calendar
n8n-nodes-base.googleCalendar - Code
n8n-nodes-base.code - Switch
n8n-nodes-base.switch
From the author
Use this workflow to book, cancel, or reschedule appointments using Vapi and Google Calendar How it works The Check Availability workflow checks if appointments exist on Google Calendar and returns a response to Vapi. The Book Appointment workflow schedules…