# Create personalized customer follow-ups with OpenAI and Claude: n8n workflow

> Started by another system calling it, and works across Supabase. 10 steps, 1 branch: a working afternoon to understand properly.

Source: https://millionrounds.com/workflow/create-personalized-customer-follow-ups-with-openai-and-clau (Millionrounds; every figure on the page links to its filing or article)

[Automation library](https://millionrounds.com/workflows) · [CRM](https://millionrounds.com/workflows?category=CRM#library)

# Create personalized customer follow-ups with OpenAI and Claude

Started by another system calling it, and works across Supabase. 10 steps, 1 branch: a working afternoon to understand properly.

Medium

[Download free](https://millionrounds.com/login?next=%2Fapp%2Fworkflow%2Fcreate-personalized-customer-follow-ups-with-openai-and-clau)

**10 steps** Medium: a working afternoon

**1** Branch: places the flow splits

**0** Loops or waits

**1** Service it connects to

## The flow

Starts it 1 Logic 6 Service 3

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

- 1 **Webhook Trigger** Webhook *Starts it*
- 2 **Process Customer Data** Code *Logic*
- 3 **Prepare AI Follow-up Request** Code *Logic*
- 4 **Route by AI Provider** Switch *Logic*
- 5 **Call OpenAI API** Http Request *Service*
- 6 **Call Claude API** Http Request *Service*
- 7 **Parse AI Response** Code *Logic*
- 8 **Merge Customer Data** Code *Logic*
- 9 **Save to Supabase** Supabase *Service*
- 10 **Format Follow-up Response** Code *Logic*

## How it's built

- **Starts on:** Another system calling it
- **Steps:** 10, with 1 branch
- **Size:** Medium: a working afternoon
- **Connects to:** Supabase
- **Model:** None. This is plumbing, not judgement

## Questions

What does it need to run?

An n8n account, plus your own Supabase account. 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?

No. Every step is fixed logic or a call to a service, so it does the same thing every time.

How long does it take to set up?

Plan an afternoon. 10 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.

**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 10 steps before you point it at anything that matters.

## Run it in n8n

- **Create your n8n account** Free to start. n8n is where the workflow runs. [Create an n8n account ↗](https://millionrounds.com/n8n)
- **Download the workflow** Free with a Millionrounds account. [Download free](https://millionrounds.com/login?next=%2Fapp%2Fworkflow%2Fcreate-personalized-customer-follow-ups-with-openai-and-clau)
- **Paste it into n8n** Open a new workflow in n8n and paste. Then connect your own accounts.

Stored with the author's traces removed: canvas notes, instance identifiers, saved credential names and any live document they had left behind.

## Connects to

Each opens the other workflows that use it.

[Supabase](https://millionrounds.com/workflows?service=Supabase#library)

## Workflows like it

Also crm, with the same services where possible, closest in size first.

- [**Automated RAG Pipeline: Google Drive to Supabase Vector Store** 10 steps · calls a model · Google Drive, Supabase](https://millionrounds.com/workflow/automated-rag-pipeline-google-drive-to-supabase-vector-store)
- [**Route Facebook Story replies to Slack, Telegram** 11 steps · Slack, Supabase](https://millionrounds.com/workflow/route-facebook-story-replies-to-slack-telegram)
- [**Automated Zoho Inventory to Supabase product data pipeline** 5 steps · Supabase](https://millionrounds.com/workflow/automated-zoho-inventory-to-supabase-product-data-pipeline)
- [**Better Oauth2.0 workflow for Pipedrive CRM with Supabase** 20 steps · Supabase](https://millionrounds.com/workflow/better-oauth2-0-workflow-for-pipedrive-crm-with-supabase)
- [**Send monthly rent and sales market updates to Slack** 20 steps · Slack, Supabase](https://millionrounds.com/workflow/send-monthly-rent-and-sales-market-updates-to-slack)