Claude Skills by FIZ-co

Issue invoices through the FIZ Public API (https://api.fiz.co). Use when the user wants to create or issue an invoice, bill a customer, create a customer or product/service item, register a payment, or download an invoice PDF in FIZ. Triggers include "issue an invoice", "bill <customer>", "create an invoice for ...", "send a fatura", "add a customer/item in FIZ", "get the invoice PDF".