Automation library · Scheduling

Book, reschedule and confirm WhatsApp appointments with Claude

Started by another system calling it. It calls services over plain HTTP rather than through connectors. It hands the judgement calls to Claude. 25 steps, 2 loops or waits: large, and worth reading before you trust it with anything live.

LargeCalls a model: Claude

Download free
25 stepsLarge: read it before trusting it with anything live
0Branches: places the flow splits
2Loops or waits
0Services by connector: it calls them over plain HTTP

The flow

Starts it 4Model 2Logic 14Service 5

The steps in the order they run, from what starts it.

  1. 1Webhook - WhatsApp InboundWebhookStarts it
  2. 2Webhook - WhatsApp VerifyWebhookStarts it
  3. 3Anthropic Claude ModelLm Chat AnthropicModel
  4. 4Prepare Message ContextSetLogic
  5. 5Respond Verify ChallengeRespond To WebhookStarts it
  6. 6AI - Detect Intent and ParseAgentModel
  7. 7Wait For DataWaitLogic
  8. 8JS - Parse AI OutputCodeLogic
  9. 9Filter Valid MessagesFilterLogic
  10. 10Route - BookFilterLogic
  11. 11Route - RescheduleFilterLogic
  12. 12Route - ConfirmFilterLogic
  13. 13Route - UnknownFilterLogic
  14. 14JS - Validate Book SlotCodeLogic
  15. 15JS - Validate Reschedule SlotCodeLogic
  16. 16JS - Validate Confirm RefCodeLogic
  17. 17JS - Handle Unknown IntentCodeLogic
  18. 18Sheets - Create AppointmentHttp RequestService
  19. 19Sheets - Update RescheduleHttp RequestService
  20. 20Sheets - Confirm AppointmentHttp RequestService
  21. 21JS - Build Reply MessageCodeLogic
  22. 22Wait - Rate Limit BufferWaitLogic
  23. 23Send WhatsApp ReplyHttp RequestService
  24. 24Log to Activity SheetHttp RequestService
  25. 25Respond to WhatsApp 200 OKRespond To WebhookStarts it

How it's built

Starts on
Another system calling it
Steps
25, 2 loops or waits
Size
Large: read it before trusting it with anything live
Connects to
Nothing by connector; it calls services over plain HTTP
Model
Claude

Questions

What does it need to run?

An n8n account, and a key for Claude. 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 Claude. Model calls are billed by the provider, not by n8n.

How long does it take to set up?

Take your time. At 25 steps it is large: read it before trusting it with anything live.

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.

Before you run it

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 25 steps before you point it at anything that matters.