AI-generated PDF proposals from WhatsApp messages using

This automation workflow instantly responds to customer inquiries in WhatsApp — both text and voice — with personalized commercial proposals in PDF format. Using LangChain and OpenAI, the system analyzes the request, selects the appropriate service package from Airtable, generates a professional-looking proposal via APITemplate.io, and sends it back directly in chat. Ideal for businesses where response speed directly impacts conversion.

## Who it´s for
- Business owners using WhatsApp for client communication
- Sales managers automating proposal creation
- Freelancers and consultants offering packaged services
- Agencies needing to quickly generate personalized offers
- Teams working with French-speaking clients requiring automation in French

## What the automation does
- Receives new messages (text or voice) via WhatsApp Business Cloud API
- Transcribes voice messages using Whisper (OpenAI)
- Analyzes request content via a LangChain AI agent to identify the relevant service package
- Retrieves package details from Airtable
- Generates a personalized PDF proposal using APITemplate.io
- Sends the completed proposal back to the user in WhatsApp

## What´s included
- Ready-to-use n8n workflow
- Trigger logic: incoming WhatsApp message
- Integrations with WhatsApp Business Cloud API, OpenAI, Airtable, APITemplate.io
- Basic data structure and templates for quick setup
- Brief launch and adaptation guide

## Requirements for setup
- n8n account with external API access
- Access to WhatsApp Business Cloud API
- OpenAI account (for Whisper and LangChain)
- Airtable account with a service packages table
- APITemplate.io account for PDF generation
- Basic knowledge of JSON, APIs, and environment variables

## Benefits and outcomes
- Reduces response time to minutes
- Automates initial client interaction without manual input
- Enhances brand professionalism with instant, tailored proposals
- Increases conversion through speed and relevance
- Supports French language processing and content generation
- Scalable: one template handles thousands of clients

## Important: template only
Important: you are purchasing a ready-made automation workflow template only. Rollout into your infrastructure, connecting specific accounts and services, 1:1 setup help, custom adjustments for non-standard stacks and any consulting support are provided as a separate paid service at an individual rate. To discuss custom work or 1:1 help, contact via в чате.