Xero integration
Connect Xero with slimzaak
Sell internationally and use Xero for your accounting? slimzaak is your invoicing and admin tool for Dutch VAT-compliant invoices and marketplace orders from bol.com, Amazon, Shopify and WooCommerce. Through a direct OAuth2 connection, everything flows automatically into your Xero accounting, so you never have to retype anything by hand. slimzaak doesn't replace Xero — it feeds Xero with the data from your Dutch sales, while you keep running the rest of your international accounting in Xero exactly as you're used to.
- 01
Connect
Connect Xero in a few minutes
You connect your Xero accounting to slimzaak through a secure OAuth2 connection. Log in to Xero, grant slimzaak permission, and the connection is live. There are no passwords or API keys for you to manage, and nothing to export or import by hand. Once the connection is active, it keeps working in the background for every new sale, expense or customer.
- Secure OAuth2 connection, no manual API keys
- Connection active within minutes
- Works alongside your existing Xero accounting
- You stay in full control of what gets submitted
- 02
Sync
Customers, invoices and expenses sync automatically into Xero
Once connected, slimzaak automatically syncs with Xero. Your customers and contacts are added, your sales invoices are posted as sales transactions, and your expenses and receipts — already read automatically by slimzaak's AI scanning — appear as purchase transactions. This applies to all your Dutch invoices, whether created directly in slimzaak or generated automatically from an order on bol.com, Amazon, Shopify or WooCommerce. Nothing needs to be entered twice, and your Xero accounting stays continuously up to date without you having to retype or export any data yourself.
- Customers and contacts created automatically in Xero
- Sales invoices posted automatically as sales transactions
- Expenses and receipts (AI scan) posted automatically as purchase transactions
- One sync for all your marketplace and webshop sales
- 03
VAT return
VAT return data prepared in Xero
slimzaak prepares your VAT return data in Xero. You or your accountant then file the return from within Xero itself with the Dutch Tax Authority — slimzaak never files anything on its own. That way, filing stays exactly where it belongs: with you or your accountant, with Xero as the trusted basis for the final return. You keep oversight and control, while slimzaak takes the groundwork off your hands.
- VAT return data automatically prepared in Xero
- Filing with the Dutch Tax Authority happens from within Xero itself
- slimzaak never files anything independently on your behalf
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Frequently asked questions
How do I connect slimzaak to Xero?
You connect your Xero accounting to slimzaak through a secure OAuth2 connection. Log in to Xero, grant permission, and the connection is live within minutes. No API keys or passwords for you to manage. From that point on, slimzaak automatically syncs with your Xero accounting.
What exactly gets synced with Xero?
slimzaak syncs your customers and contacts, your sales invoices as sales transactions, and your expenses and receipts — already read automatically by slimzaak's AI scanning — as purchase transactions. Your VAT return data is also prepared in Xero, so you or your accountant only need to review and file it.
Does slimzaak file my VAT return with the Dutch Tax Authority?
No. slimzaak prepares your VAT return data in Xero, but you or your accountant files the return from within Xero itself with the Dutch Tax Authority. slimzaak never files anything on its own — review and final filing always stay with you or your accountant.
Does slimzaak replace my Xero accounting?
No, slimzaak doesn't replace Xero. It's the invoicing and admin tool for your Dutch VAT-compliant invoices and marketplace orders from bol.com, Amazon, Shopify and WooCommerce, which flow automatically into your Xero accounting. Xero stays the foundation of your international accounting, while slimzaak makes sure your Dutch sales and expenses land there automatically and correctly.
Connect slimzaak with Xero
Connect your Xero accounting and watch your customers, sales invoices and expenses flow through automatically, with your VAT return data prepared for you or your accountant.
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