The flow
Starts it 2Model 1Logic 6Service 2
The steps in the order they run, from what starts it.
- 1⚡ Option A: Inbound Webhook (Forms / CRM / Shopify)WebhookStarts it
- 2📊 Option B: Google Sheets (New Row Added)Google Sheets triggerStarts it
- 3🧼 Universal Phone Sanitizer (E.164 Standard)CodeLogic
- 4✅ Is Phone Valid?IfLogic
- 5🤖 AI Personalized WhatsApp Message (Gemini)Lm Chat Google GeminiModel
- 6⚠️ Flag Invalid Phone NumberCodeLogic
- 7📦 Build WABlast PayloadCodeLogic
- 8💬 Send WhatsApp via WABlast APIHttp RequestService
- 9📬 Verify Message Sent?IfLogic
- 10🟢 Log Success in Google Sheets / CRMGoogle SheetsService
- 11🔴 Handle Dispatch FailureCodeLogic
How it's built
- Starts on
- Another system calling it
- Steps
- 11, with 2 branches
- Size
- Medium: a working afternoon
- Connects to
- Google Sheets
- Model
- Gemini
Questions
What does it need to run?
An n8n account, plus your own Google Sheets account, and a key for Gemini. You connect your own accounts after importing it; none are included.
What starts it?
It starts on another system calling it.
Does it use AI?
Yes. It calls Gemini. Model calls are billed by the provider, not by n8n.
How long does it take to set up?
Plan an afternoon. 11 steps is enough that you should read each one before running it.
How do I import it?
Copy the workflow, open a new workflow in n8n and paste. The steps appear on the canvas, ready for your own accounts.
Nothing here has been tested by us. It is somebody's working automation, read and described from its own steps. Treat the connections it wants as a list of accounts it will touch, and read the 11 steps before you point it at anything that matters.