# POS

Customer goes to a merchant and uses a Point-of-Sale (POS) device, for example, like the Square POS device.

<img src="https://files.buildwithfern.com/cash-app.docs.buildwithfern.com/2026-01-27T23:03:44.161Z/cash-api-docs/assets/images/pos-flow.png" alt="POS workflow: choose a product, checkout, scan a QR code, link Cash App Pay, complete purchase" noZoom />

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To learn more about how Cash App Pay works on different devices, see the following:

* [Cash App Pay on Mobile devices](/cash-app-pay-partner-api/guides/product-overview/cash-app-pay-on-mobile-devices)
* [Cash App Pay on Desktop and POS devices](/cash-app-pay-partner-api/guides/product-overview/cash-app-pay-on-desktop-and-pos-devices)