This newsletter from the Payment app team explains Stripe and point-of-sale features, such as uncaptured card authorizations, reusing recent sales from the keypad, and selling Stripe products at the counter. It gives practical, step-by-step guidance for merchants using the app.

This is the help centre for the AirPOS point of sale, payments and e-commerce system, offering step-by-step setup guides for hardware such as Newland barcode scanners, cash drawers and receipt printers. Readers get practical, device-specific instructions for connecting and operating AirPOS equipment on iPad, Android and Windows.

CardCastle's company blog covers updates to its trading card game automation platform, including the CardBot scanner. Recent posts analyse a competing eBay card sifting machine, announce a ShadowPOS integration, and note new set support.

A free point-of-sale and payments software vendor for retailers shares event announcements, a case study of setting up a pub's inventory and payments, and arguments for running loyalty schemes. The newsletter is mainly promotional, with the practical detail mostly serving to sell the vendor's product.