Lanza Estudio
APIs & Cloud

Invoicing on Autopilot: Let Your Email Make the Invoices for You

Antonio

Antonio

Senior Engineer & Cloud Specialist

"I designed the architecture for this automated invoicing system. If you want me to analyze your email volume and see how we can save those admin hours, click below."

How many hours a week does your team waste copying data from an email just to paste it into a billing program or a Word document?

The process is always the same and always equally inefficient: an email comes in confirming an order, someone in admin opens it, copies the client's name, the amount, and the concept, generates a PDF, saves it in a folder, and sends it back to the client. If you do this 10 times a month, it's an annoyance. If you do it 500 times, it's a money drain in payroll.

Why Paying by 'Tasks' will Ruin You

Many companies try to solve this with third-party tools. The problem is these platforms charge you per 'task' or 'execution'. If your company grows one month and you have twice as many orders, your software bill multiplies. You are punished for selling more.

Our Solution: Native Integration and Total Ownership

At LANZAESTUDIO.ES we eliminate the middlemen. We build a custom script that connects directly to your company's Official Gmail API. The flow is invisible, instant, and 100% yours:

  1. Active Listening: The system detects when an email arrives with a specific label or from a specific sender (e.g., Stripe payment notices or bank transfers).
  2. Smart Extraction: We extract the key data from the email body without human intervention.
  3. PDF Generation: We create the official invoice with your design, your logo, and the correct sequential numbering.
  4. Filing and Sending: The invoice is saved in your database or Google Drive, and optionally, the client is emailed back with the attached PDF.

The Impact on Your Business

  • Zero Fixed Costs: Because it is a direct API connection to your server, you don't pay for the volume of invoices generated. It doesn't matter if you make 10 or 10,000.
  • Zero Human Errors: No more adding an extra zero or getting the client's ID number wrong.
  • Immediate Service: Your client receives their invoice 3 seconds after buying, even if it's Sunday at 4 in the morning.
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