Lexware

Overview

The Lexware integration automatically uploads your collected invoices to Lexware and creates vouchers with intelligent document type mapping based on the invoice type.

Requirements

A Lexware account with API access
Your Lexware API key

Setup

Getting your API key

Log in to your Lexware account
Go to the Lexware Add-ons page
Generate or copy your API key

Configuring in Invoice Radar

Open Invoice Radar and go to Settings → Export
Click Add destination and select Lexware
Paste your API key
Choose a start date:
- All invoices - Export everything in your collection
- From specific date - Only export invoices after the selected date
Enable the destination

How it works

When you export invoices to Lexware, Invoice Radar automatically maps document types:

Invoice Radar Type	Lexware Voucher Type
Invoice	Purchase invoice (Eingangsrechnung)
Outgoing invoice	Sales invoice (Ausgangsrechnung)
Refund	Purchase credit note (Gutschrift)

Each voucher includes:

Vendor name
Invoice date
Amount and currency
Attached PDF document

Exporting invoices

Bulk export

Click Export Now in the Export settings to sync all unsynced invoices. Progress is shown in real-time.

Individual export

Open any invoice in the document details panel to see its export status and manually trigger an export.

Troubleshooting

"Invalid API key" error

Verify your API key is correct
Check that your Lexware subscription includes API access

Wrong document type

Document type mapping is based on how Invoice Radar categorizes the invoice
You can adjust the invoice type in Invoice Radar before exporting

Invoices not appearing in Lexware

Check that the destination is enabled
Verify invoices meet the start date criteria
Look for error messages in the export history

Security

Your API key is encrypted and stored only on your device
Invoices are sent directly to Lexware's API with no intermediary
All connections use HTTPS/TLS encryption

Need help? Check the Automatic Export overview or our Security & Privacy guide.

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