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API · SDK · MCP · No-Code

Automate e-invoicing with MCP, No-Code platforms
and your ERP

No-Code apps with real actions, SDKs for popular programming languages, a remote MCP server for AI agents, and step-by-step guides for the platforms you already run. The REST API underneath, whenever you want code.

Get Started Free Talk to Sales
Developer API

Built for Developers

Every integration on this page runs on the same REST API. Post invoice JSON, receive a validated e-invoice: one endpoint per format, sub-second responses.

  • Native, scanned and photographed PDF invoices, no preprocessing needed
  • Every response validated against official Schematron rules

Supports ZUGFeRD · Factur-X · XRechnung · UBL · CII · EN 16931

API Documentation
Terminal 
$ curl -X POST https://api.invoicexml.com/v1/create/zugferd \
  -H "Authorization: Bearer sk_live_..." \
  -H "Content-Type: application/json" \
  -d '{
    "invoice": {
      "invoiceNumber": "INV-2026-001",
      "seller": { "name": "Acme GmbH" },
      "lines": [ ... ]
    }
  }'

// => 200 OK: returns the validated invoice file
ERP & platforms

Guides for the systems you already run

Each guide walks one platform from zero to compliant invoices over the REST API: authentication, field mapping, validation, and the platform's own scripting quirks.

Business Central

AL extension, e-invoices from posted sales invoices

Read the guide

Dynamics 365 + Power Automate

Flows that invoice without custom code

Read the guide

Salesforce

Apex callouts from opportunity to e-invoice

Read the guide

SAP BTP

CAP services and destinations, step by step

Read the guide

Google Sheets

Apps Script: rows in, compliant invoices out

Read the guide

Zapier tutorial

A complete invoice Zap, built end to end

Read the guide

n8n

HTTP Request node: triggers in, validated invoices out

Read the guide

Bubble: UBL & Peppol

API Connector setup for network invoices

Read the guide

Bubble: Factur-X & ZUGFeRD

Generate and validate hybrid PDFs from a no-code app with a single API call. No plugins, no file juggling, no XML by hand

Read the guide

AI agentic workflows

Connect to Claude, ChatGPT or any MCP client: agents create, validate and convert invoices

Explore the MCP server

Integrate into your own application

The REST API behind every integration, documented endpoint by endpoint

Read the API docs

Official SDKs

Typed ZUGFeRD, XRechnung and Factur-X clients for .NET, Java, PHP, Node.js and Python

Browse the SDKs
MCP for AI Agents

Let your AI agents handle compliance

Connect Claude, ChatGPT, or any MCP client to the remote server at mcp.invoicexml.com: OAuth sign-in, no API key to paste. Nine tools cover the document life cycle for Factur-X, ZUGFeRD, XRechnung, UBL and CII, with no glue code.

Hosted at mcp.invoicexml.com OAuth 2.1, no API key
Explore the MCP server
  • Claude Desktop, claude.ai and Claude Code
  • ChatGPT As a custom connector
  • Cursor Agents in the AI code editor
  • Windsurf Cascade, the agentic IDE
  • VS Code GitHub Copilot agent mode
  • Any MCP client An open standard, no lock-in
Zapier

Three Zapier apps, real actions

Wire compliant e-invoicing into any of the 7,000+ apps on Zapier: when an order closes in your CRM, a validated invoice goes out. Each app below lists the actions it actually ships, ready to drop into a Zap.

Factur-X by InvoiceXML

Factur-X hybrid PDFs, plus the CII and UBL conversions around them

Create Factur-X Invoice Validate Factur-X Invoice Embed XML Into PDF Extract Invoice XML Extract Invoice JSON Render CII as PDF PDF to UBL PDF to CII CII to Factur-X UBL to Factur-X
Open on Zapier

CII & UBL by InvoiceXML

The two EN 16931 XML syntaxes, including Peppol BIS documents

Create CII Invoice Create UBL Invoice Validate CII Invoice Validate UBL Invoice Convert CII to UBL Convert UBL to CII Extract Invoice JSON
Open on Zapier

ZUGFeRD & XRechnung

The two German mandate formats, hybrid and pure XML

Create ZUGFeRD Invoice Create XRechnung Invoice Validate ZUGFeRD Invoice Validate XRechnung Invoice Extract Invoice XML Extract Invoice JSON Convert XRechnung to PDF
Open on Zapier

New to Zapier? The step-by-step tutorial builds a complete invoice Zap.

Email Gateway

Forward Email & Receive Compliant Invoice

No API, no integration, no new software. Simply forward your PDF invoice to [email protected] and receive a 2026-compliant Factur-X or ZUGFeRD file back to your email in seconds.

Learn More

Recent Conversions

3 invoices
invoice-2024-042.pdf
CompletedUBL
rechnung-Q4.pdf
CompletedZUGFeRD
facture-dec.pdf
CompletedFactur-X
Dashboard

Manual Dashboard

Prefer a visual workflow? Upload PDFs manually via our intuitive dashboard using simple drag-and-drop. Download compliant invoices instantly, no API key needed.

Get Started

Built on top of InvoiceXML

Online e-invoicing apps

Need invoices without the API? These standalone apps do one format, beautifully.

Facturoute Factur-X

Create & read Factur-X invoices on any device.

facturoute.fr
GetZUGFeRD ZUGFeRD

Hybrid PDF/A-3 invoices, ready in seconds.

getzugferd.com
Peppolio UBL

Generate compliant UBL e-invoices, no setup.

peppolio.com
Compliance

Secure by Architecture

Your invoices are processed in memory and returned in the same response. Zero data retention is not a policy we enforce, it is an architecture we built.

  • Encrypted in transit. TLS on the request and on the response stream.
  • Our own code, end to end. No subprocessor ever sees an invoice.
  • Signed DPA and SLA available. For Enterprise customers, on request.
Request lifecycle
  • Disknever
  • Queuenever
  • Backupnever

Zero data retention

Processed in volatile memory only. Never written to disk, never queued, never backed up.

EU-only processing

Servers in Frankfurt, Germany. No transfers outside the European Economic Area.

No use of your data

Never used for analytics, never to train AI models, never shared with third parties.

Certified infrastructure

SOC 2 Type II, ISO/IEC 27001 and PCI-DSS at the platform layer, held by our infrastructure provider.

PDF · 4 pages · A4

Compliance Overview

Formats, validation and data protection on four pages. Ready to forward to your procurement, legal or IT team.

Download PDF
Read the full security overview

GDPR compliant by design · nothing stored on our servers
API tools

Every E-Invoicing Tool You Need

From compliant invoice creation to standards validation, a complete toolkit for global e-invoice compliance.

AI Transform

Turn a PDF invoice into an e-invoice

Upload the PDF you already send. The AI reads it and returns ZUGFeRD, Factur-X, XRechnung, UBL or CII, checked against the official rules.

  • Native and scanned PDF invoices, no templates to set up
  • Keep your own PDF and embed the XML into it, or get a clean new PDF
  • The invoice's language is detected and used for the new PDF, or choose English, German or French
  • Every result is validated before it is returned
PDF to e-invoice
PDF → ZUGFeRD PDF to ZUGFeRD API DOCS
PDF → Factur-X PDF to Factur-X API DOCS
PDF → XRechnung PDF to XRechnung API DOCS
PDF → UBL PDF to UBL API DOCS
PDF → CII PDF to CII API DOCS
Start free today

Ready to automate your invoices?

Validate, convert and embed compliant e-invoices through one API. Start your 30-day free trial. No credit card required.

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GDPR Compliant No credit card required Setup in minutes
Peppol UBL
Factur-X
EN 16931
142 / 142 passed
Compliant
PDF/A-3 embedded