Related sections
Accepting payments
Is my printer compatible?
Check out which standalone printers are compatible with SumUp so you can start printing receipts for your transactions.
Read ArticleAccept QR code payments
Share your QR codes with customers or print QR codes to display in order to start accepting payments with QR codes. Here’s how it works.
Read ArticleAccepted cards
Which cards can I accept with SumUp? Check out the different available payment methods available, including supported cards schemes you can accept with SumUp.
Read ArticleWhat's smart tipping?
Smart tipping offers customer a set of tipping options based on the transaction amount. Here’s how to enable smart tipping and customise tipping rates.
Read ArticleAccept tips with SumUp
Tipping gives your customers the opportunity to show their appreciation for a job well done. So, at SumUp, we want to make accepting tips with your card reader as easy as possible.
Read ArticleRefund transactions
Sometimes people change their mind. Therefore, refunds with SumUp are quick and easy. Find out how to refund card payments online, via the SumUp App, or with your card reader.
Read ArticleAccept payments with SumUp
Check out all the payment options available to help you start taking payments with ease. From card readers to remote payments, here's how you can accept transactions.
Read ArticleWhat is Strong Customer Authentication? (SCA)
3D Secure 2 (3DS2) and Strong Customer Authentication (SCA) are measures put in place to make online payments more secure. SCA verifies a customer's identity before confirming purchases with the intent to reduce electronic payment fraud.
Read ArticleAccept card payments abroad
As well as operating your business in your home country, we want to make it easier for you to grow your business when travelling abroad too.
Read ArticleSet up QR codes
Create QR codes so you can quickly and easily share your payment details with customers. Here’s how to start using QR codes.
Read ArticleWhat are QR code payments?
QR codes allow you to easily take contactless payments no matter where you are, allowing customers to simply scan and pay.
Read ArticleResend or reprint receipts
Need to send a receipt for an old transaction? Here's how you can resend or reprint an receipt via your SumUp profile or the app in just a few clicks.
Read ArticleSell items from my item catalogue
Use your item catalogue to make selling with SumUp quicker and more convenient. No need to re-enter item details each time. A few taps and your transaction is complete.
Read ArticleFailed transactions
From entering the wrong pin to a dodgy internet connection, there are a few reasons why a transaction may fail. The following list collects a few of the most frequent issues to keep your transactions running smoothly.
Read ArticleAccept contactless payments
Your SumUp Card Reader comes fully set up for contactless payments using near field communication (NFC), including Apple Pay and Google Pay. Here’s how contactless works with SumUp.
Read ArticleProviding receipts with the SumUp app
Sending receipts with the SumUp App is super easy and allows you to send receipts for Air Card Reader transactions or cash payments. You can also quickly print receipts by connecting to a bluetooth printer.
Read ArticleAutomatic Receipts
Save time at checkout with Automatic Receipts. Automatic Receipts allows customers to opt in to receive their receipts automatically when buying from a SumUp merchant without having to re-enter their details.
Read ArticleProviding receipts with the SumUp 3G
Receipts are a key part of a transaction. Learn how you can send, resend and print receipts using your SumUp 3G Card Reader and 3G Printer.
Read ArticleServer error
This is a problem in the SumUp App or on the website’s end, and therefore, you cannot solve it yourself. But fret not! When the SumUp App or website displays this message there are a few things you can do to quickly get around the problem.
Read ArticleAccept cash payments with SumUp
The world isn't cashless yet. Enable cash payments on the SumUp app so you can track all your sales in one place, even when customers pay with cash.
Read Article