Seamless Peppol Connectivity
Built for Compliance & Intelligence
Send, receive, and manage Peppol e-invoices with full compliance, real-time validation, and deep data insights — all through a single JSON API.
{
"sender": "0208:BE0123456789",
"receiver": "0208:BE9876543210",
"format": "peppol-bis-3.0",
"validate": true,
"invoice": {
"number": "INV-2026-0042",
"total": 4850.00,
"currency": "EUR"
}
}Everything You Need. One API.
From format conversion to AI risk scoring — the InvoStaq API handles the entire Peppol lifecycle so you can focus on building your product.
Send & Receive Peppol E-Invoices
Use a simple JSON API call to convert your invoice to Peppol UBL XML, validate it against compliance rules, and dispatch it securely through the Peppol network. Track delivery status and receipts in real time.
- Auto-convert to Peppol BIS 3.0
- Comply with UBL 2.1 syntax
- Secure transmission via AS4
- Delivery receipt tracking
Pre-Submission Validation
Before an invoice ever reaches the Peppol network, the InvoStaq engine verifies mandatory fields, checks VAT & country-specific rules, validates supplier/customer identifiers, and detects formatting or structural errors.
- Mandatory field verification
- VAT & country rule checks
- Supplier/customer ID validation
- Structural error detection
Intelligent Invoice Analytics
Every invoice processed by the API powers our AI layer — giving you access to rejection risk scoring, duplicate invoice detection, VAT anomaly detection, and intelligent invoice categorization.
- Rejection risk scoring
- Duplicate detection
- VAT anomaly alerts
- Smart categorization (UNSPSC)
Universal Format Conversion
No portal uploads. No manual formatting. No XML expertise required. Send your data as JSON — InvoStaq handles conversion to Peppol UBL XML, CIUS variants, and country-specific extensions.
- JSON → UBL XML conversion
- CIUS country extensions
- Multi-format output
- Zero XML expertise needed
ERP & Accounting Integration
Whether you are building for ERP platforms, accounting software, or your own internal finance stack — connect via REST API, headless plugins for Dynamics 365 and Odoo, or server-to-server webhooks.
- REST API endpoint
- Dynamics 365 plugin
- Odoo native module
- Custom webhook triggers
Developer-First Experience
Robust documentation, sandbox environments, typed SDKs, and example payloads. Go from signup to first test invoice in under 10 minutes. Built by developers, for developers.
- Full API documentation
- Sandbox testing environment
- Typed SDKs (TypeScript)
- Example payloads & guides
Live Invoice Status & Webhooks
Stay updated as invoices move through the Peppol network. Use server webhooks or API polling to trigger workflows in your systems.
Invoice Lifecycle
Invoice submitted, awaiting network routing
Invoice successfully delivered to receiver's Access Point
Receiver has accepted and acknowledged the invoice
Invoice was rejected — detailed error report available
Invoice has been opened and reviewed by the receiver
Webhook Events
Receive real-time updates via HTTPS POST
export async function handleWebhook(event) {
switch (event.type) {
case "invoice.delivered":
// Update your ERP status
await updateInvoiceStatus(
event.invoiceId, "delivered"
);
break;
case "invoice.accepted":
await markAsAccepted(event.invoiceId);
break;
case "invoice.rejected":
await handleRejection(
event.invoiceId,
event.errors
);
break;
}
}Secure & Fully Compliant
Enterprise-grade security at every layer — from API authentication to Peppol network transmission. Built for businesses that cannot afford to compromise.
OAuth 2.0 Authentication
Industry-standard authentication with token-based access, scoped permissions, and automatic rotation for maximum security.
End-to-End Encryption
All document transmissions are encrypted using TLS 1.3 in transit and AES-256 at rest. No plaintext invoice data is ever exposed.
GDPR & Privacy Compliance
Full GDPR compliance with data minimisation, right to erasure, and transparent data processing agreements. EU-hosted infrastructure.
Full Audit Logs
Every API call, validation event, and network transmission is logged with timestamps, user context, and full traceability for compliance audits.
Accredited Access Point
Powered by an accredited Peppol Access Point partner — certified by OpenPeppol, ISO 27001 compliant, and monitored 24/7.
Real-Time Monitoring
Automated anomaly detection, rate limiting, IP allowlisting, and real-time alerting on suspicious activity or unusual traffic patterns.
Built for Every Sector
Our Intelligent E-Invoicing Solution platform serves businesses across diverse industries — anyone who sends invoices and needs to stay compliant.
per month
Mid-Market Enterprises
Companies processing 500-10,000 invoices/month that need automated compliance without the overhead of building in-house. Our Intelligent E-Invoicing Solution plugs into existing ERP workflows seamlessly.
compliant
Government Suppliers
Businesses trading with public sector entities across the EU where Peppol is mandatory. Zero-error submission to government portals with automatic PINT XML mapping.
countries
Logistics & Trade
Cross-border businesses sending invoices across multiple jurisdictions. One InvoStaq instance handles UAE FTA, Belgian Peppol, German XRechnung, and more.
errors
Retail & Distribution
High-volume invoice senders in retail who need to eliminate compliance errors in standard processing. Our AI catches every mistake before the tax authority does.
audit speed
Manufacturing & Supply Chain
Complex supply chains with multiple trading partners across borders. Automated compliance for purchase orders, invoices, and credit notes through Dynamics 365 or Odoo.
jurisdictions
Professional Services
Consulting firms, IT service providers, and accounting practices that need to stay compliant across multiple client jurisdictions. Partner program available for service providers.
Frequently Asked Questions
Find answers to common questions about our Intelligent E-Invoicing Solution platform.
Ready to Connect to Peppol?
Get API access, send your first test invoice, and go live — all in days, not months. Our team is ready to help you integrate.
Trusted by businesses across Belgium, Ireland & UAE — powered by an accredited Peppol Access Point partner.