Quick overview This workflow triggers on n8n form submissions, uses OpenAI (GPT-4o mini) to draft a short acknowledgment email, sends the auto-reply through Gmail, and appends the submission details to a Google Sheets spreadsheet. How it works 1. Triggers when someone submits the n8n “Contact Us” form with their name, email, and message. 2. Sends the submission text to OpenAI (GPT-4o mini) to generate a warm auto-reply that promises a human follow-up within one business day. 3. Sends the generat
Reply to contact form leads via Gmail and Google Sheets using OpenAI GPT-4o mini is a ready-made n8n workflow you import as a workflow JSON file — no build required. It connects Gmail, Google Sheets, OpenAI. It's free to download. Follow the 5-step import below to go live in minutes.

Quick overview This workflow triggers on n8n form submissions, uses OpenAI (GPT-4o mini) to draft a short acknowledgment email, sends the auto-reply through Gmail, and appends the submission details to a Google Sheets spreadsheet. How it works 1. Triggers when someone submits the n8n “Contact Us” form with their name, email, and message. 2. Sends the submission text to OpenAI (GPT-4o mini) to generate a warm auto-reply that promises a human follow-up within one business day. 3. Sends the generated reply to the submitter via Gmail with the subject “Thanks for reaching out!”. 4. Appends the form submission data to a Google Sheets worksheet for tracking. Setup 1. Connect an OpenAI credential for the Chat model used to generate the email reply. 2. Connect a Gmail account credential and confirm the workflow is allowed to send email from that mailbox. 3. Connect a Google Sheets credential, replace the spreadsheet URL/ID in the Google Sheets step, and ensure the target sheet tab is named “Leads” (or update it to match your sheet).
Download the workflow JSON file after purchase.
Open n8n → click the menu → Import from File.
Select the downloaded JSON and import.
Set up credentials for each node that requires them.
Click Execute Workflow to test, then activate.
Setup guide included
Purchase to unlock the full step-by-step guide
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