Skip to main content

AI-powered web form responder with GPT-4o-mini, Outlook email & Twilio SMS

Workflow preview

Workflow preview
100%
AI-powered web form responder with GPT-4o-mini, Outlook email & Twilio SMS preview
Open on n8n.io

Important notice

This workflow is provided as-is. Please review and test before using in production.

1. Workflow Overview

Web Form Auto Responder: Instant Email + SMS Follow Up Description Embed a simple web form on your site and let this workflow: 1. Collect a visitor’s name, email, phone, and question 2. Generate...

Best for

  • Lead Nurturing automation workflows
  • Multimodal AI automation workflows
  • intermediate n8n builders looking for reusable templates

Tools used

@n8n/n8n-nodes-langchain.agent, @n8n/n8n-nodes-langchain.lmchatopenai, @n8n/n8n-nodes-langchain.outputparserstructured, n8n-nodes-base.formtrigger, n8n-nodes-base.wait, n8n-nodes-base.microsoftoutlook, n8n-nodes-base.twilio, n8n-nodes-base.stickynote

Source and attribution

This workflow is cataloged by N8N Workflows and links back to its original n8n.io source page by Robert Breen.

Original n8n.io source

1.1 Workflow description

Title
AI-powered web form responder with GPT-4o-mini, Outlook email & Twilio SMS
Workflow name
AI-powered web form responder with GPT-4o-mini, Outlook email & Twilio SMS

Web-Form Auto-Responder: Instant Email + SMS Follow-Up


📝 Description

Embed a simple web form on your site and let this workflow:

  1. Collect a visitor’s name, email, phone, and question
  2. Generate a professional email and a friendly SMS using GPT-4o-mini
  3. Delay briefly (1 min by default) to simulate human writing time
  4. Send the AI-crafted email via Microsoft Outlook
  5. Send the AI-crafted text via Twilio

Perfect for solo consultants or small teams who want rapid, personalized responses without manual typing.


⚙️ Setup Instructions
  1. Import the workflow

    • n8n → Workflows → Import from File (or Paste JSON) → Save
  2. Add credentials

    Service Where to get credentials Node(s) to update
    OpenAI <https://platform.openai.com> → create API key OpenAI Chat Model
    Microsoft Outlook Azure/M365 account with email-send permissions Send email to the submitter
    Twilio <https://console.twilio.com> → Account SID, Auth Token Send text to the submitter
  3. Embed the form on your website

    • Open Form to be embedded on website
    • Click “Embed” → copy the iframe code → paste into your contact page
  4. Set your Twilio “From” number

    • In Send text to the submitter, change phone to your verified Twilio number
  5. Adjust wait times (optional)

    • Wait some time to write the email response (default 1 min)
    • Wait some time to write the text response (default 1 min)
  6. Customize the AI prompt (optional)

    • Edit the AI Agent system message to tweak tone, questions asked, or signature
  7. Test the flow

    • Open the form URL (generated by the Form node)
    • Submit a test entry → after ~1 min you should receive both an email and an SMS
  8. Activate

    • Toggle Active so the form handles real submissions 24/7

🧩 Customization Ideas
  • Pipe form data into Pipedrive, HubSpot, or Airtable for lead tracking
  • Trigger a Slack/Teams alert to notify your team of hot questions
  • Add a calendar link in the email so visitors can book a call instantly
  • Use a language-detection node to reply in the visitor’s native language

Contact

1.2 Logical Blocks

This catalog entry is organized from the workflow JSON. The node-level section below shows the executable blocks available for review before importing the template.

2. Block-by-Block Analysis

Block 1 - AI Agent

Type / Role
@n8n/n8n-nodes-langchain.agent - agent
Config choices
Version 2

Block 2 - OpenAI Chat Model

Type / Role
@n8n/n8n-nodes-langchain.lmChatOpenAi - lmChatOpenAi
Config choices
Version 1.2

Block 3 - Structured Output Parser

Type / Role
@n8n/n8n-nodes-langchain.outputParserStructured - outputParserStructured
Config choices
Version 1.2

Block 4 - Form to be embedded on website

Type / Role
n8n-nodes-base.formTrigger - formTrigger
Config choices
Version 2.2

Block 5 - Wait some time to write the email response

Type / Role
n8n-nodes-base.wait - wait
Config choices
Version 1.1

Block 6 - Wait some time to write the text response

Type / Role
n8n-nodes-base.wait - wait
Config choices
Version 1.1

Block 7 - Send email to the submitter

Type / Role
n8n-nodes-base.microsoftOutlook - microsoftOutlook
Config choices
Version 2

Block 8 - Send text to the submitter

Type / Role
n8n-nodes-base.twilio - twilio
Config choices
Version 1

Block 9 - Sticky Note

Type / Role
n8n-nodes-base.stickyNote - stickyNote
Config choices
Version 1

Block 10 - Sticky Note1

Type / Role
n8n-nodes-base.stickyNote - stickyNote
Config choices
Version 1

3. Summary Table

Workflow AI-powered web form responder with GPT-4o-mini, Outlook email & Twilio SMS
Complexity intermediate
Nodes 10
Categories Lead Nurturing, Multimodal AI
Author Robert Breen
Published 30 Jul 2025

4. Reproducing the Workflow from Scratch

  1. 1. Download the workflow JSON

    Use the JSON export at /data/workflows/6716/6716.json as the source template for this automation.

  2. 2. Import the template into n8n

    Open n8n, import the downloaded JSON, and review each node before activating the workflow.

  3. 3. Configure credentials and variables

    Replace placeholder credentials, API keys, webhook URLs, account IDs, and environment-specific values with your own settings.

  4. 4. Test with sample data

    Run the workflow manually or in a staging workspace, inspect node output, and confirm downstream systems receive the expected data.

  5. 5. Activate and monitor

    Enable the workflow only after testing, then monitor executions, errors, and rate limits during the first production runs.

5. General Notes & Resources

Review imported nodes carefully before activation. This catalog entry is intended to help you inspect the workflow structure, understand required services, and find related templates faster.

Node names, credentials, schedules, webhook paths, and external service limits may need adjustment for your workspace.

Frequently asked questions

What does AI-powered web form responder with GPT-4o-mini, Outlook email & Twilio SMS do?

Web Form Auto Responder: Instant Email + SMS Follow Up Description Embed a simple web form on your site and let this workflow: 1. Collect a visitor’s name, email, phone, and question 2. Generate...

What do I need before importing this workflow?

Review the workflow JSON, configure any required credentials in n8n, and test the automation in a safe workspace before using it in production.

Can I customize this workflow?

Yes. Use the block-by-block analysis and the downloadable JSON to inspect each node, then adjust credentials, prompts, schedules, filters, or destinations for your Lead Nurturing, Multimodal AI use case.