Stop losing afternoons on invoices: how to automate your Mexican invoicing (CFDI) painlessly
"Can I get an invoice?" — the message that lands on the 30th at 8 PM. Good news: the invoice can generate itself when the customer pays. Here's how, what it costs, and what the law actually requires.
If you sell in México, you know the scene: end of the month, and suddenly every customer remembers they need an invoice. You, with the SAT portal open, copying tax IDs by hand, double-checking the CFDI usage code, re-sending PDFs... hours nobody pays you for. Today, that can be almost fully automated.
What does "automating invoicing" mean?
It means the invoice creates itself when something happens: the customer pays, and within seconds they get their invoice by email — PDF and XML, stamped and valid with SAT (México's tax authority). You touch nothing. The "magic" is an authorized invoicing service connected to your payment flow or your website.
What can be automated today
- Self-invoicing: the customer pays and gets a link where they enter their tax ID once. The system generates and sends the invoice on its own. Like supermarkets and gas stations do — but for your business.
- Recurring invoices: if you charge monthly (rent, tuition, services), the invoice goes out automatically every month with the right add-ons.
- Reminders: the system nudges whoever hasn't paid, payment link included. No more "I'll send it in a bit" that never arrives.
- The handoff to your accountant: instead of collecting loose receipts, your accountant gets everything organized in one place.
What does it cost?
| Item | Approximate range |
|---|---|
| Invoicing service (stamps included) | $100 – $500 MXN per month by volume |
| Connecting it to your payments or website (one time) | $8,000 – $25,000 MXN depending on the case |
| Time you get back | 2 to 8 hours a month, every month |
The math is simple: if invoicing takes you 4 hours a month and your hour is worth $500, you're spending $24,000 a year on a task a machine does better — with no typos.
Where to start
First, fix how you get paid: if money arrives by bank transfer "whenever it lands", there's nothing to connect. Online payments + automatic invoicing go hand in hand — that's why we build them together in online payments and process automation.