WhatsApp + automation
WhatsApp Business API+n8n
n8n workflow automation with WhatsApp Business API — chatbot + lead nurturing + customer service.
Quick answer
WhatsApp Business API + n8n integration handles incoming WhatsApp messages through n8n workflows for auto-replies + CRM updates + lead routing + chatbot flows. Self-hosted n8n means $0 fixed monthly cost — only WhatsApp Business API fees.
Setup cost
$700-2.7K
Monthly
WhatsApp API $0.005-0.10/message + n8n cloud $20/month (optional)
Duration
1-3 weeks
Who is this for
→WhatsApp chatbot (auto-reply + AI)
→Lead nurturing (WhatsApp → CRM)
→Order notifications + shipping tracking
→Appointment reminders (clinic, restaurant, auto dealer)
→Customer service tier-1 automation
Data flow
Customer → WhatsApp message → Meta Cloud API webhook → n8n → flow (CRM update, AI reply, email notification) → WhatsApp reply.
Setup steps
- 01
Meta Business + WhatsApp Business API
Meta Business Manager + WhatsApp Business API access. Approval 3-7 days.
- 02
n8n self-host setup
Docker + n8n.cloud ($20/month managed) or self-host VPS ($5-10/month).
- 03
WhatsApp Cloud API webhook
Register n8n webhook URL with Meta. HTTPS mandatory.
- 04
n8n workflow design
Parse message → intent detection (AI or keyword) → branch → CRM update + WhatsApp reply.
- 05
AI integration (optional)
OpenAI/Claude node + RAG for smart replies. Cost: $0.001-0.01 per token.
- 06
Test + go-live
Test number + 50 message scenarios + production.
Common pitfalls
- Meta approval can delay 3-7 days
- WhatsApp template message rules (approved templates only)
- 24-hour customer service window (you can't initiate after)
- Self-hosted n8n: must add backup + monitoring
- Spam risk (misuse = number ban)
Frequently asked questions
Why WhatsApp Business API + n8n?
WhatsApp Business API is the official infra; self-hosted n8n means $0/month auto-flow cost. Make/Zapier $20-50/month; n8n self-host VPS $5-10/month.
Should I add AI for a smart chatbot?
Yes — n8n + OpenAI/Anthropic Claude nodes deliver RAG-based chatbot in 1-2 weeks. Doc-grounded responses, 40-70% ticket containment.
What does it cost?
WhatsApp API $0.005-0.10 per message (depending on user country + message type). n8n self-host VPS $5-10/month. With AI, 1,000 chats/month is $5-30 in tokens.
Get a quote for WhatsApp Business API + n8n integration
Fixed-scope written proposal after a 30-minute discovery call.
Start a discovery call