Building a B2B Electronic Invoicing API for French PDP Compliance in 2026

The French e-Invoicing Mandate: A Developer Perspective France is implementing one of the most ambitious B2B e-invoicing mandates in Europe. By September 2026, all businesses registered for VAT in France will be required to both receive electronic invoices and progressively transmit them through certified platforms known as PDPs (Plateformes de Dématérialisation Partenaires). Architecture Overview The French e-invoicing ecosystem has three key components: 1. PPF (Portail Public de Facturation) —