InvoiceXpress

InvoiceXpress is an online invoicing platform certified by the Portuguese Tax Authority (AT) that aims to simplify billing for service-based businesses, freelancers, and online shops. It offers a free plan with no contracts and easy onboarding, while staying up-to-date with current tax rules. The product supports API/plugins integration, AI-powered invoicing, digital signatures via SAFE, and versatile export options to keep billing compliant and streamlined.

• Free plan from 0€/mês with no long-term contracts
• Emit invoices, receipts, proformas, and related documents
• Electronic invoices with digital signature (SAFE)
• AI-powered invoicing via Voice 2 Invoice
• API and plugins for integration with stores and software
• Email alerts/reminders for balances and due dates
• Multilingual invoicing (Portuguese, English, Spanish)
• PDF export and inclusion of bank details on documents
• Free updates and support; share access with your accountant
• SAF-T PT export for tax compliance
• Integration with online stores and accounting workflows

• Easy-to-use, no-lock-in invoicing solution tailored for services, freelancers, and e-commerce
• Keeps billing compliant with Portuguese tax rules through automatic updates
• Flexible pricing with a free entry point and extensible paid plans
• Strong integration capabilities via API/plugins and digital signing for legally valid documents
• Collaboration features that simplify workload sharing with accountants and teams

Free plan available from 0€/month. No loyalty contracts. Plans and prices beyond the free tier are available; consult the site for current pricing and plan details.