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⚡ AI Lessons

Dev.to · PatrickPi1312
1d ago
XRechnung aus PDF erstellen: Anleitung und API-Beispiel (2026)
Die E-Rechnungs-Pflicht ist da: In Deutschland müssen Unternehmen seit 2025 E-Rechnungen empfangen...

Dev.to · PatrickPi1312
1d ago
Verify emails at signup: MX, disposable and typo detection in one API call
A wrong or fake email at signup costs you later: bounced invoices, failed password resets, junk in...

Dev.to · PatrickPi1312
1d ago
Turn a PDF invoice into structured JSON — then into a valid XRechnung
Here's a problem millions of small businesses hit in 2026: their old software only prints PDF...

Dev.to · PatrickPi1312
1d ago
How to create a valid XRechnung (EN 16931) e-invoice in 5 minutes
E-invoicing is now mandatory across much of the EU (Germany B2B from 2025, Austria e-Rechnung, Peppol...

Dev.to · PatrickPi1312
1d ago
Add a scan-to-pay SEPA QR code (EPC/Girocode) to your invoices
Across the SEPA area, banking apps can scan an EPC QR code (a.k.a. Girocode) to pre-fill a bank...

Dev.to · PatrickPi1312
1d ago
EU e-invoicing for developers: XRechnung vs ZUGFeRD vs ebInterface vs Peppol
A practical map of Europe's e-invoice formats and how to validate, parse and generate them.
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