Self-hosted: Free (Apache-2.0 license). Hosted: $19 per business per month after 14 days free trial.
Free: €0 forever with 6 invoice generations per month, 6 format conversions per month, 10 invoice validations per month, 10 PDF previews per month, 6 e-invoice parsing operations per month, 1 AI PDF conversion per month without an account, and 3 AI document scans per month. Pro: €4.85/month with unl
Key features
MCP integration with 53 tools for Claude Code, Codex, and other MCP clients
Invoice drafting with line items, taxes, discounts, and payment terms
Estimates that convert to invoices without retyping
Time tracking with timer or manual entry
Expense logging and categorization
Receivables aging, profit and loss, and top-client reports
Stripe payments with 0% platform fee
Branded PDF invoices and estimates with logo and colors
Scoped API keys that can be revoked at any time
Permission controls for agent actions
AI-powered OCR extracts invoice data from PDFs, scans and photos including QR codes
PEPPOL BIS 3.0 compliant invoice generation and validation
PDF to UBL XML conversion
Real-time automatic invoice calculations
EU VAT validation with country-specific rules
Multi-language support in 8 languages
Business Partner Management to save supplier and customer data
Reusable invoice form templates
Support for 12 e-invoice formats including XRechnung and Factur-X
Browser-based with no installation required
What makes it different
Agents work directly in billing with human-approved permissions and pricing
All agent actions appear in dashboard before reaching clients
Same application for both self-hosted and hosted use
No per-invoice or per-client fees
Full control over agent permissions and workflow
Completely free with no signup required for all core e-invoicing tools
AI-powered OCR instantly converts paper invoices and PDFs to structured e-invoices
EN 16931 compliant with 99.9% uptime guarantee and PEPPOL certification
Billr
aiDoks