Invoicing infrastructure for real operations.
Built for businesses that can't stop operating. We handle the complex security and regulatory requirements so you don't have to.
Issue your first invoice in 5 minutes
100% Verifactu compliant
Multi-entity from day one
No certificate headaches
Your billing lifecycle, at a glance.
A real-time overview of your business health. Team-scoped metrics, quick actions, and everything you need to manage your billing lifecycle.
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Revenue, expenses, and outstanding totals updated in real time.
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Quick-action widgets to create invoices or add customers.
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Team-scoped views so each user sees what matters to them.
Centralized control for your relationships.
A single source of truth for your clients and vendors. Automated tax ID validation and contact management for Spanish regulations.
Global Search
Search, filter, and manage your billing entities with Livewire-powered registries.
Operational History
Access full billing history and fiscal details for every relationship at a glance.
Counterparty Integrity
Automated tax-ID validation and historical spend tracking integrated from the start.
Compliance handled automatically.
Invoice creation with automated workflows. From draft to delivery, Verifactu signing and Facturae XML generation are handled by our core infrastructure.
Hash Chaining
Automatic hash chaining and Facturae XML generation.
PDF Delivery
Automated PDF generation and delivery tracking.
API First
JSON in, Facturae XML out. Via the dashboard or the API.
Self-service for your customers.
Give your clients a dedicated space to manage their billing relationships. Public links to view, download, and track payment status.
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Secure public links for every invoice issued.
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Direct PDF downloads and payment status tracking.
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White-label options for a branded experience.
Expenses, linked and logged.
Log expenses, link them to vendors, and maintain an immutable ledger of your business outflows.
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Expense entry with vendor linkage and category tagging.
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Aggregate totals by vendor, date range, or category.
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Built for speed and reactivity.
Recent Expenses
A directory for your suppliers.
Manage your vendors and service providers. See aggregate spend and link them to expenses automatically.
Contact details and tax information.
Automatic expense totals per vendor.
Vercel Inc.
Business intelligence, real-time.
Real-time aggregates across invoices, expenses, and entities. Get the numbers you need without the spreadsheet struggle.
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Revenue, expense, and profit summaries by period.
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Team-scoped metrics for multi-user businesses.
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Filterable by entity, date range, and invoice status.
Multi-entity by design.
Run multiple businesses or branches from a single account. Each emitter maintains its own tax settings, numbering series, and compliance state.
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Separate tax settings and fiscal addresses per emitter.
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Independent numbering series for invoices and documents.
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Per-emitter compliance states and hash chains.
Built for Developers, by Developers.
Subscribe to invoice lifecycle events and keep your systems in sync. No polling required.
SDKs for Major Languages
Libraries for PHP, Node.js, Python, and Go with TypeScript definitions included.
Activity Logs
Every API call logged and searchable for 30 days.
API Reference
Complete documentation for every endpoint, from authentication to webhook delivery.
const invoice = await api.invoices.create({
emitter_id: "E_12345",
customer_id: "C_9876",
items: [{
description: "API Consulting",
amount: 2500,
tax: 0.21
}],
});
// Webhook sent to your endpoint:
"type": "invoice.finalized"
See the Difference
Without emittr
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Manual compliance management
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Certificate renewal stress
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Fragile spreadsheet audit trails
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Regulatory stress
With emittr
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Automated Verifactu compliance
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Managed certificate storage
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Immutable, searchable audit logs
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Continuous compliance updates
Bank-grade Security. Audit-ready by Default.
RSA-SHA256
Invoice signatures backed by hardware certificates and modern cryptographic standards.
WORM Storage
Write-once storage ensures finalized records cannot be altered or deleted.
Role-Based Access
Fine-grained permissions to separate invoice issuance from auditing.
Full Audit Trail
Every action recorded in an immutable log for complete traceability.
Ready to modernize your invoicing operations?
Start issuing compliant invoices today. No credit card required.