Online checkout

With our online checkout you make sales easily and free of charge.

Online checkout

With our online checkout you make sales easily and free of charge.


Log in and sell.

Want to sell your products on-site?

Welcome to 21.POS – your web-based checkout system.





Sell everywhere

With the web-based POS solution 21.POS you can sell independent of device and location. The connection of a SumUp Air Terminal or a barcode scanner (with the additional module Manufacturer Specifications) can be easily implemented. Watch the video to see for yourself how intuitive and convenient the POS system is to use. You can start selling directly and without installation.


Overview of functions

The most important functions of 21.POS at a glance. Thanks to a simple, logical structure and an intuitive tool, using your POS solution is effortless.

Device-independent use

In the store | At the trade fair | At the customer

Book sales to the customer

Connection to SumUp Air Terminal

Barcode scanner integration

Individualized receipts / documents

Sell items that have not been entered directly

Flexible daily closing

FAQs Online checkout

We answer the most frequently asked questions here. Fast and uncomplicated.

Do I need a fixed cash register to use the online checkout?

No, the online checkout is used via a PC, tablet or smartphone.  This allows you to make sales from anywhere.

Can several employees use the online checkout?

In the free version of Swiss21, one cash register user is integrated.  However, you can add further users with an additional module.  The cost is CHF 25 per user and month.

Is it possible to pay by card at the online checkout?

By connecting the SumUp Air terminal, sales can also be paid by card with the online cash register.  The transactions are then booked automatically.  The connection of the terminal is available with an additional module and costs CHF 10 per month.  (Excluding the costs for the terminal).

Can I use a receipt printer in conjunction with the online checkout?

Unfortunately, it is not possible to connect a receipt printer to the online cash register.  However, you can print the receipts in A4 format on a normal printer.

Can I connect a barcode scanner to the online checkout?

Yes, this is possible.  You can link your items to a barcode in the cash register via the additional module “Manufacturer details”.   It is then possible to scan the goods. The additional module costs 3 francs per month.

Help & Support


Frequently asked questions, knowledge base articles and tutorials can be found in our Help Centre. Our dedicated support team and experts are happy to answer any further questions you may have.

E-Learning with free Webinars

Free Online-Support and Knowledge database

Individual consultation with a Digital Coach

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