(5/5)

AI-Powered WhatsApp Chatbot for Text, Voice, Images & PDFs

Automated workflow: AI-Powered WhatsApp Chatbot for Text, Voice, Images & PDFs. This workflow integrates 14 different services: stickyNote, httpRequest, code, agent, switch. It contains 43 nodes and follows best practices for error handling and security.

Integrations Used (2)

HTTP Request

Workflow Structure (26 nodes)

100%

Whats App Trigger

WhatsApp Trigger

Switch

Input type

Whats App

Get Audio Url

Whats App

Get Image Url

Http Request

Download Image

Http Request

Download Audio

No Op

Analyze Image

No Op

Transcribe Audio

Set

Image

Set

Text

Set

Audio

Whats App

Not supported

No Op

OpenAI Chat Model

No Op

AI Agent1

Only PDF File

No Op

Simple Memory

Whats App

Get File Url

Whats App

Incorrect format

From audio to audio?

Http Request

Download File

Whats App

Send message

No Op

Generate Audio Response

Extract From File

Extract from File

Code

Fix mimeType for Audio

Set

File

Whats App

Send audio

Node Types:

trigger

http

default

logic

code

transform

Requires credentials

Prerequisites

Required Credentials (4)

HTTP Header Auth

Used by: Download Image, Download Audio +1 more

Docs

OpenAI

Used by: Analyze Image, Transcribe Audio +2 more

Docs

Whats App

Used by: Get File Url, Send message +5 more

Docs

Whats App Trigger

Used by: WhatsApp Trigger

Docs

Multiple services required

This workflow needs 4 different credentials. Make sure you have accounts for all services before importing.

Complexity

Advanced

Expert level. Custom code, complex logic, many integrations.

Setup time: ~55 min

Score: 85/100

Custom Code

Conditional Logic

5 Integrations

When to Use This Workflow

Real-time Response

React instantly when events happen - new orders, form submissions, or API calls.

Zero delay between trigger and action for time-sensitive workflows.

Time Savings

Replace repetitive manual tasks with reliable automation.

Reclaim hours every week for higher-value work.

Error Reduction

Eliminate human error from routine processes with consistent automation.

Improve accuracy and reliability across your workflows.

workflow.json

{
  "id": "zMtPPjJ80JJznrJP",
  "meta": {
    "instanceId": "workflow-d056b093",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:43.936784",
    "updatedAt": "2025-09-29T07:07:43.936799",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "AI-Powered WhatsApp Chatbot for Text, Voice, Images & PDFs",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
...