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Refunding payments with SumUp is quickly and easy. Here's how to give your customer their money back if they change their mind.
Read ArticleConnect a printer to use with SumUp so you can start printing receipts after transactions or reprint receipts from previous sales.
Read Article3D 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 ArticleShare 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 ArticleCreate QR codes so you can quickly and easily share your payment details with customers. Here’s how to start using QR codes.
Read ArticleQR codes allow you to easily take contactless payments no matter where you are, allowing customers to simply scan and pay.
Read ArticleCheck out which standalone printers are compatible with SumUp so you can start printing receipts for your transactions.
Read ArticleWhy didn’t my transaction work? From connection issues to transaction timeouts, here’s how to quickly fix transaction problems.
Read ArticleNear field communication (NFC), otherwise known as contactless, allows you to take payments mostly without the need for PIN verification. Here's how it works.
Read ArticleThe world isn't cashless yet. Here's how to accept cash payments with SumUp so you can track all your sales in one place, even when customers pay with cash.
Read ArticleYou're able to accept a variety of card schemes and payment methods with SumUp. See the full list of accepted payment types to see how your customer can pay.
Read ArticleAccepting card transactions with a card reader is quick and easy with SumUp. Here’s all you need to know.
Read ArticleCheck 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 ArticleSmart 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 ArticleTipping 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 ArticleAutomatically send receipts to certain customers after every purchase they make with you, without having to re-enter their details.
Read ArticleProvide a second copy of an old receipt or simply send or print a receipt from a previous sale. Here's how it's done.
Read ArticleSending 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 ArticleIn very rare cases, we may experience outages. Here's how to recognise outages and what you can do.
Read ArticleThe Solo printer comes with a USB-C cable and adaptor, which can be used to charge your printer and a card reader simultaneously. Here are the details.
Read ArticleReceipts 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.
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