Scheduling & bookings

Book appointments over WhatsApp into Google Calendar

Verified against sourcen8nIntermediate

Summary: Book appointments over WhatsApp into Google Calendar is an AI-agent recipe for small businesses in the Scheduling & bookings category. Problem it solves: Back-and-forth booking messages. Built with n8n; difficulty: Intermediate. Cost: Template: $0 on n8n.io. Running n8n and the connected APIs costs extra (not priced here). Verified against its primary source on 2026-10-16.

Ready-to-use prompt

Help me set up this AI-agent recipe for my small business: "Book appointments over WhatsApp into Google Calendar".

Problem it solves: Back-and-forth booking messages
What it does: Sends a WhatsApp reservation link, collects name/date, shows only free slots, creates a Google Calendar event, and stores data in Postgres
Who it's for: Service businesses, freelancers
Agent / tools: n8n + WhatsApp + Google Calendar + Postgres
Inputs: WhatsApp messages; calendar
Outputs: Calendar bookings, confirmations
Prerequisites: n8n, WhatsApp API, Google Calendar, Postgres
Difficulty: Intermediate
Cost (as stated by the source): Template: $0 on n8n.io. Running n8n and the connected APIs costs extra (not priced here).
Warnings: WhatsApp-first; useful if your customers prefer WhatsApp; rule-based booking, not an AI agent
Primary sources: https://n8n.io/workflows/5855

Using only the sources above, give me step-by-step setup instructions, list the accounts and API keys I need, and point out the warnings I should handle before going live. Ask me about my business details before assuming anything.

What it does

Sends a WhatsApp reservation link, collects name/date, shows only free slots, creates a Google Calendar event, and stores data in Postgres

Warnings & notes

Details

Problem it solves

Back-and-forth booking messages

Who it's for

Service businesses, freelancers

Agent / tools

n8n + WhatsApp + Google Calendar + Postgres

Inputs

WhatsApp messages; calendar

Outputs

Calendar bookings, confirmations

You'll need

n8n, WhatsApp API, Google Calendar, Postgres

Difficulty

Intermediate

Cost

Template: $0 on n8n.io. Running n8n and the connected APIs costs extra (not priced here).
Only costs stated publicly by the source are shown. Running the tools usually has its own costs.

Date checked

2026-10-16

Review status

Verified against source

Primary sources

• https://n8n.io/workflows/5855

Summary written by Pymzo from the source. We are not affiliated with the author or tools unless labeled.