I'm building Invoqk, an AI invoice generator. The idea started with a boring problem: a client sends a message like "3 logo designs at $150 each and 1 brand guide for $400, invoice Weber GmbH in Berlin, due in 14 days", and then you open a blank template and retype everything.

It gets worse with EU clients. Germany's B2B e-invoicing transition means a plain PDF may no longer be enough. Clients may ask for XRechnung, ZUGFeRD or Peppol.