Collect WhatsApp leads and add them to Sheets

An n8n agent chats with WhatsApp leads, gathers contact details, and records them in Google Sheets.

Done with n8n· Intermediate· Oct 2026

What they did
The demo uses an n8n flow that begins with a WhatsApp trigger and passes each incoming message to an AI agent. In the chat, the agent requests the lead’s name and email, then sends the collected details straight into Google Sheets. The three parts are connected end to end, so nothing else is needed once the message arrives.
How it went
The demo shows the lead being captured and written to Sheets automatically. It does not give any numbers or mention any errors.
Tips
A build like this should be tested from the first WhatsApp message through to the spreadsheet so you can spot any step that fails. It also helps to review the sheet mapping before turning the workflow on.

Try it yourself with n8n

Set up an n8n workflow for [business name] that starts when a message lands on [phone number or WhatsApp Business account] through the WhatsApp Cloud API. Add an AI agent that greets the person, collects their name and email in separate turns, and checks that the email format looks right. Before any data is saved, stop and ask me to approve the lead details. After I approve, add a new row in [sheet name] on Google Sheets with the lead’s name, email, phone number, and the time of capture, then reply with a short thank-you message on WhatsApp. Also show me how to test the workflow with a sample conversation before it goes live.

Fill in the [brackets]. Agents can make mistakes, so review anything before it is sent, paid or deleted.

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