Building invoicing into your app is painful. You spend days wrestling with PDF generation libraries,...
Forgelab Invoice API is a REST service that converts JSON payloads into PDF invoices supporting multiple templates, currencies, and white-label options, with a free tier of 5 invoices/month. For teams building SaaS or client-facing billing, it eliminates custom PDF generation work and can be integrated in a single API call across Node.js, Python, or PHP stacks.
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)
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