AI WhatsApp Chatbot for Text, Voice, Images & PDFs with Memory

Multimodal WhatsApp AI assistant handles text, voice, images, and PDFs using OpenAI models with contextual memory for natural conversations. Ideal for customer support and invoice processing via chat.

n8n
AI WhatsApp Chatbot for Text, Voice, Images & PDFs with Memory

This advanced n8n workflow powers a WhatsApp chatbot capable of processing diverse message types including text, voice notes, images, and PDF documents. Leveraging OpenAI's GPT-4o-mini for text, Whisper for transcription, and vision models for images, it intelligently detects input types and routes accordingly. PDFs are filtered and extracted for summaries, making it perfect for invoice processing in finance workflows.

Key features include automatic type detection, rich image descriptions for accessibility, voice-to-text with optional TTS replies, and per-user memory storing up to 10 interactions for contextual responses. All replies are optimized for mobile readability, ensuring seamless user experience.

Benefits include 24/7 automated support, reduced manual handling of multimodal queries, and high business value in finance & accounting by enabling quick invoice analysis via WhatsApp. Use cases: customer service bots, invoice extraction/summarization, visual data interpretation, and voice-enabled queries, saving hours of team time.

$24.99
Last updated October 17, 2026
30-day money-back guarantee
Instant download
Lifetime updates included

New buyers can create an account from the cart to unlock a controlled $10 first-purchase credit on eligible orders of $25+.

Secure checkout powered by Stripe

Support

How to import this workflow into n8n

  1. 1Purchase or download the workflow to get the n8n workflow JSON file.
  2. 2In your n8n instance, open Workflows and choose "Import from File" (or paste the JSON with Ctrl+V on the canvas).
  3. 3Open each node marked with a credential warning and connect your own accounts and API keys.
  4. 4Run the workflow once manually to verify the data flow, then toggle it to Active.

Related Finance & Accounting workflows

More from Fiona Horvath

Need this deployed? We'll set it up for you.

Our automation experts deploy this workflow in your stack, connect your accounts, and verify it works — or build a custom solution from scratch.