End-to-End E-Invoicing API

xTool Enterprise API – Peppol E‑Invoicing & ERP Integration

xTool Enterprise API is a flexible, secure and transparent REST service for electronic invoicing. Designed for modern businesses and ERP vendors, it converts, validates, sends and receives e‑invoices via Peppol, email or ERP workflows, ensuring full compliance and end‑to‑end monitoring.

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Supported:

JSON

XML

ZUGFeRD

XRechnung

Peppol BIS

PDF

Key Features of the xTool E‑Invoicing API

Comprehensive e-invoicing capabilities for every use case

Validate & Convert

Multi-Format Support

JSON ↔ XML ↔ ZUGFeRD ↔ XRechnung ↔ Peppol BIS
Reliable validation and completion of missing fields
Optional conversion to PDF for easy review

Send & Receive

via Peppol, Email, or ERP

Send invoices directly via the Peppol network
Deliver by email
Forward into your ERP workflow

Full Transparency

Monitoring & Dashboards

API logs and error analysis
Invoice status tracking
Live statistics and dashboards

ERP-Ready Integration

Fast Implementation

Flexible REST API integration
Supports custom workflows and data formats
End-to-end automation in ERP environments

How xTool Works – From Upload to Peppol Transmission

From upload to compliant delivery — in three simple steps

Upload or API Call

Upload your file or send it via REST API

Conversion & Validation

Our converter checks, transforms, validates, and fills in missing fields

Transmission & Monitoring

Delivery via PEPPOL, email, or ERP integration + monitoring dashboard

Any questions? Write to us!

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Integration Models: Stateless API or Full Workflow

Choose what fits your needs

Stateless API

Maximum Data Protection

Use lightweight conversion/validation features without persistent storage

✓ Results returned instantly via API

✓ No data saved in the system

Full Workflow Automation

With Storage + Processing

For complete invoice lifecycle management

✓ Convert → validate → store → send

✓ Receive → visualize → validate → forward to ERP

✓ Monitoring, reporting, and process automation

Built for Secure & Scalable E-Invoicing

Compliance, reliability, and flexibility for modern invoicing workflows

Trust layer

Security & Compliance

✓ Certified

Built on enterprise-grade infrastructure with full regulatory alignment.

✓

Encrypted transmission and role-based access control

✓

ISO/IEC 27001-certified

✓

EN 19613-compliant invoice processing

✓

99.9% uptime

✓

Peppol-certified Access Point

Who it’s for

Ideal For

✓ Scalable

Designed for teams that need scalable, compliant e-invoicing.

Companies

Scaling their invoicing processes

IT Service Providers

Delivering invoicing platforms

ERP Vendors

Needing reliable e-invoice compliance + automation

FAQ – Peppol E‑Invoicing API

How do we integrate?

Via a flexible REST API.

Does it support Peppol?

Yes — including direct Peppol delivery and certified access.

Can we use only validation/conversion?

Yes — choose the stateless API with no persistent storage.

Is monitoring included?

Yes — dashboards, logs, status tracking, and error insights are available.

Ready to get started?

Contact Our Team