Related sections
Accepting payments
Refund 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 ArticleAccepted cards
You can accept any credit or debit card that displays a Visa, V PAY, Mastercard, Maestro, American Express, Discover, Diners Club, or Union Pay logo as well as NFC payments via Google and Apple Pay.
Read ArticleSumUp App: Organise my Items
Items lets you manage your entire inventory in one place. Add items and organise them into handy categories to simplify the transaction process and make selling quick and easy.
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 ArticleSmart Tipping
Smart Tipping differs from standard tipping by presenting your customer with an additional set of dynamic tipping options based on either the transaction amount or customisable rates. Here’s how you can start accepting tips.
Read ArticleAccepting 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 ArticleProviding receipts with the SumUp Solo
It’s easy to provide receipts with your SumUp Solo Card Reader. Find out how to send and resend receipts with the Solo right here.
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 ArticleSumUp App: Accepting cash payments
We’re not living in a cashless world just yet. But not to worry, you can also accept cash payments with SumUp. Here’s how cash transactions work on the SumUp App.
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 ArticleResend receipts on the SumUp profile and app
Did your customer change their mind about not wanting a receipt? With SumUp, you can easily send a receipt again with both your SumUp profile and the app. Here’s how it’s done.
Read ArticleAccepting payments via QR code
Payments via QR codes enable your customers to pay securely and contactless. It only takes a scan of the QR code with their phone. You can either print the QR codes or send them to your customers.
Read ArticleAccepting NFC payments; Google and Apple Pay
Your SumUp Card Reader comes fully set up for contactless payments using near field communication (NFC).
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 ArticleSumUp App: Selling via Items
Once you’ve finished adding and organising your items, it’s time to make use of your new items catalogue with some sales. Here’s how to go about that.
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 ArticleAccepting 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 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.
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