Payment received → invoice marked "paid" → a thank-you to the client

The problem

The client paid, but the sheet still says "open" — so the automatic payment reminder goes out the next day. It is the fastest way to turn a useful automation into an embarrassing one.

What happens when it runs

1. A webhook receives the payment event from the provider (invoice number, amount)
2. Search the invoice in the sheet by number
3. Update: status "paid" + date + amount received
4. A short thank-you email to the client with the invoice number

The tools inside

• Make — the automation engine · Sign up (one month of Core free) →affiliate link
• Google Sheets — log and lists
• Gmail — email

Before you start

Three things to have ready before importing, or Make will ask and you will have to leave halfway:

• The webhook address (to configure at the payment provider)
• The invoices spreadsheet id
• The thank-you wording

Sheet templates

The file maps columns by position. Start from exactly these headers, in this order — a column in the wrong place writes a phone number into the email column.

• Invoices sheet · invoice | client | email | status | paid Download ↓

How to import (2 minutes)

1. In Make: Scenarios → Create a new scenario
2. At the bottom, the three dots (⋯) → Import Blueprint → choose the file you downloaded
3. Click every module with an exclamation mark: choose your connection (Google, Telegram) — Make creates one in a click if you have none
4. Replace every value in double curly braces ({{…}}) with your own from the list above
5. Run once with a test row in the sheet. Only when it passes — Schedule and ON

The video

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