Generate Professional PDF Invoices via REST API — JSON In, PDF Out

Building invoicing into your app is painful. You spend days wrestling with PDF generation libraries, template engines, multi-currency formatting, and email delivery — then repeat it for every project. The Forgelab Invoice API handles all of it in one API call. Send JSON, get back a professional PDF invoice. What it does JSON in → professional PDF invoice out Multiple templates (professional, minimal, modern) Multi-currency support (USD, EUR, GBP, and more) White-label option for agencies Hosted