MplusKASSA: (return) payments and in3 instore (QR).

Every day, MplusKASSA continues to develop the most innovative and user-friendly cash register software. Whether you have a retail, hospitality or health care business, due to its flexible and modular construction, the MplusKASSA cash register system fits seamlessly into various types of companies.


Pay. as your in-store payment and eCommerce provider

Pay. has an in-store payment connection with MplusKASSA.

What does this mean for your business?

  • Link your MplusKASSA to Pay. for real-time insight into your debit card transactions
    Including return debit, in combination with the YOMANI ML terminal.
  • Offer in3 instore Ideal for shops with high order values.
    The customer gets a QR code on the customer display of MplusKASSA, which can then be scanned with the in3 app from a phone (with online banking).
  • Enjoy fast delivery and connection of payment terminals
    The terminal is delivered the next business day directly from our own stock and includes delivery and SWAP & replace service.
  • A faster, more efficient and more stable payment process
    No bank or transaction processor intervention.
  • Different turnover groups for your online and in-store turnover.
  • Competitive all-in rates
    Accept VPay and Maestro card payments from € 0.05 per transaction (credit card payments optional).
    Get a discount when you hand in your old ATM.


Check the business case with

How to use this link?

The following items are required for this link:

  1. An account with Pay.
  2. MplusKASSA with the webhooks module activated
  3. Yomani ML terminal from Pay.
Easy to implement using our dedicated integration manager. Book an eMeeting here to run through the stages together.

The installation instructions can be found in the App store from MplusKASSA and in DOCS you will find the technical documentation from Pay.

Access to 50+ local and international payment methods.

Why Pay. behind every payment?

Growing your business means you need as much relevant data and insights as possible. You'll find those in the dashboard and the Pay. app.

Pay. offers your customers all the payment methods they expect - and more. This way, you develop a superior customer experience and the highest conversion rate.


The widest range of payment solutions

All the payment solutions you need for an optimal customer experience.


Plugins for easy integration

Quickly and easily create a link to your webshop with Pay.'s plugins.


Conversion increasing features

Don't miss any more payments with Pay.'s conversion-enhancing features.


The payment partner of thousands of companies

Personalised service and technical support so you are always in control.

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