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About

InvoiceXML is an API-first platform for European e-invoice compliance. A single REST API generates, validates, and converts every major format covered by EN 16931: Factur-X, ZUGFeRD, XRechnung, UBL, and CII. Generation accepts clean JSON input and returns a compliant XML document, or a PDF/A-3 hybrid invoice with the XML embedded according to format-specific rules. Validation runs the official Schematron rulesets, and returns structured results plus user-friendly plain-language explanations alongside the raw rule output. Format conversion (POST /v1/convert/{from}/to/{format}) maps any supported format to any other through a canonical internal representation. A separate /v1/transform/ namespace handles AI-assisted extraction from legacy PDF invoices into structured XML. No-Code integrations expose the core operations to non-developers. MCP server provides the compliance toolkit for AI Agentic workflows. Always up to date with the latest standard requirements - zero maintenance.

About

Every business receives invoices. Link4 automates the process and makes it simple for small businesses. Use your current cloud accounting system to send and receive invoices in real time - without the need for email, scanning, or PDFs. This makes the process more efficient, less errors, no need for physical document storage and can increase cash flow. Try it for free. Nothing to download or install, this is a simple cloud service. Link4 also service Enterprise and Government clients in several countries - with more being added regularly. Today, invoices attached to emails are being intercepted and changed by malicious players. These e-invoicing scams are rapidly increasing. We must recognise that emails are not secure. e-invoicing protects users from Payment Redirection Scams.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Developers and B2B SaaS teams building invoicing into their products: ERP integrators, accounting software, fintech platforms, freelancer and SMB tools, and any SaaS serving European markets where e-invoicing mandates are active or imminent (France, Germany, Belgium, Poland, with more queued behind them).

Audience

Any size business can use Link4, but we are the best solution for small businesses. So simple to use.

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

No images available

Screenshots and Videos

Pricing

$9/month
Free Version
Free Trial

Pricing

$0
Plans are based on usage. Try it for free and if you see the benefits grow into larger plans.
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

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Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 4.0 / 5
support 5.0 / 5

Pros & Cons from Real Users

Pros

  • Nothing to install. Active within a few minutes. So easy to get started, and for no cost. Everyone should at least try it as there is no down side.

Cons

  • Not all of my suppliers are on the e-invoicing network.

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

InvoiceXML
Founded: 2024
Germany
www.invoicexml.com

Company Information

Link4
Founded: 2016
Australia
link4.com.au

Alternatives

E‑Rechnungs-Studio

E‑Rechnungs-Studio

Casserus UG (haftungsbeschränkt)

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xSuite

xSuite Group
Tungsten Invoice Network

Tungsten Invoice Network

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xSuite

xSuite Group
PDF Xpansion SDK

PDF Xpansion SDK

soft Xpansion GmbH & Co. KG
Luca Plus

Luca Plus

Block Ledger
Perfect PDF

Perfect PDF

soft Xpansion

Categories

Categories

Accounts Payable Features

Approval Process Control
Bank Reconciliation
Cash Management
Check Writing
Duplicate Payment Alert
Fraud Detection
General Ledger Entry
Vendor Management

Accounts Receivable Features

ACH Payment Processing
Billing & Invoicing
Check Processing
Collections Management
Online Payment Processing
Overpayment Processing
Partial Payments
Receivables Ledger
Recurring Billing

Billing and Invoicing Features

Billing Portal
Contact Database
Contingency Billing
Customer Portal
Customizable Invoices
Dunning Management
Hourly Billing
Invoice History
Mobile Payments
Multi-Currency
Online Invoicing
Online Payments
Payment Processing
Project Billing
Recurring/Subscription Billing
Service Ticket Billing
Tax Calculator

Integrations

FreeAgent
FreshBooks
MYOB
MYOB AccountRight
Make
Microsoft Power Automate
MoneyWorks
NetSuite
QuickBooks Online
Reckon One
SAP Business One
Sage 100
Salesforce
Simpro
Workday Extend
Xero
Zapier
Zoho Books
n8n

Integrations

FreeAgent
FreshBooks
MYOB
MYOB AccountRight
Make
Microsoft Power Automate
MoneyWorks
NetSuite
QuickBooks Online
Reckon One
SAP Business One
Sage 100
Salesforce
Simpro
Workday Extend
Xero
Zapier
Zoho Books
n8n
Claim InvoiceXML and update features and information
Claim InvoiceXML and update features and information
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Claim Link4 and update features and information