How to make an invoice in 15 seconds: forward your client's email, done
The 8-minute-per-invoice monthly ritual turned into forwarding an email. A real walkthrough of Billy building your invoice from your client's message.
VeriFactu for freelancers: what it is, when it takes effect, and how to prepare before July 2027
The countdown has started. A complete guide to Royal Decree 1007/2023, with the exact dates by taxpayer type, what it demands from your software, and how to avoid penalties without switching accountants.
An AI copilot on every screen, but the code verifies every number
How we separate "interpretation" and "verification" so the AI speeds up your invoicing without you having to review the totals. The rule: the AI proposes, the code checks.
Why we don't charge per invoice: Billy's pricing, explained
Billy costs €0, €4.90 and €9.90 per month. No invoice limits on any tier. We explain why the "the more you invoice, the more you pay" model is broken for freelancers and small businesses.
Corrective invoices in VeriFactu: how to void one without breaking the chain
When to issue a rectificativa, when a nota de abono, the R1-R5 types under RD 1619/2012, deadlines, and how to correct an invoice already declared in modelo 303. Law in hand, no marketing.