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Omdaa AI + n8n in 10 Minutes — Free Forever Automation

#ai #n8n #whatsapp #tutorial

Omdaa AI + n8n in 10 Minutes — Free Forever Automation

Connect Omdaa AI auto-replies with n8n workflows in under 10 minutes. Everything runs on Omdaa API — Free Forever (no paid tier, no credit card).

Series: Free Forever WhatsApp Dev

What you'll build 

flowchart LR
    WA[WhatsApp Message] --> O[Omdaa API Webhook]
    O --> N[n8n Workflow]
    N --> AI[Omdaa AI Reply]
    N --> S[Google Sheets / CRM]
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  • Incoming WhatsApp messages trigger n8n
  • Omdaa AI handles smart replies (included free)
  • Optional: log messages to Google Sheets or Slack

Prerequisites

Step 1: Import the n8n workflow (2 min)

Import integrations/n8n/omdaa-whatsapp-inbound.workflow.json from the omdaa-sdk repo.

Webhook path: omdaa-whatsapp

Production URL example:

https://omdaa.com/n8n/webhook/omdaa-whatsapp
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Step 2: Configure Omdaa webhook (2 min) 

npm install omdaa-api-client
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const { OmdaaClient } = require('omdaa-api-client');

const client = new OmdaaClient({ apiKey: process.env.OMDAA_API_KEY });

await client.webhooks.set({
  url: 'https://omdaa.com/n8n/webhook/omdaa-whatsapp',
  enabled: true,
  events: ['message', 'message.received', 'session'],
});

await client.webhooks.test();
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Or via CLI:

N8N_WEBHOOK_URL=https://omdaa.com/n8n/webhook/omdaa-whatsapp \
OMDAA_API_KEY=your-key \
node backend/scripts/setup-n8n-webhook.js
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Step 3: Enable Omdaa AI (3 min)

  1. Open Dashboard → Omdaa AI
  2. Select your WhatsApp session
  3. Create a bot → enable Use Omdaa AI
  4. Set a system prompt, e.g.: 
You are a helpful support agent for Omdaa API. Reply in the user's language. Keep answers under 3 sentences.
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Unlimited AI replies are included in Free Forever.

Step 4: Extend n8n (3 min)

After the Normalize Omdaa Payload node, add:

Node Purpose
IF Filter event contains message
Google Sheets Log from, text, timestamp
HTTP Request Forward to your CRM
Slack Notify your team

Zapier alternative: see integrations/zapier/omdaa-whatsapp-google-sheets.template.json

Step 5: Test end-to-end

  1. Send a WhatsApp message to your connected number
  2. Check n8n execution history — webhook should fire
  3. Verify Omdaa AI auto-reply in WhatsApp
  4. Confirm Google Sheets row (if configured)

Troubleshooting

Issue Fix
Webhook 404 Ensure n8n workflow is active
No AI reply Check Omdaa AI bot is enabled for session
Empty payload Use events: ['message.received']

Next in this series

  1. Build a WhatsApp Bot in 5 Minutes
  2. Free Forever Migration Guide
  3. Omdaa AI + n8n ← you are here

Resources

Omdaa API — Free Forever. Automate WhatsApp with AI and n8n today.

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