While I agree that Payflow Gateway has been sunsetted for some time, the SDK is still alive and open sourced. You can open a Payflow Gateway account today if you wanted to. A lot of our clients do not want to deal with creating new PayPal Business accounts when they already have a Payflow Gateway account. They are not eCommerce merchants and do not necessarily need cart checkouts. So I'm still stuck maintaining this old platform until there's urgency or a push from PayPal to use something current. The technology is dated, but it is not yet dead. But it definitely is not PCI compliant and the Hosted Payment solution was a disaster that we ended up killing with no help from PayPal other than to upgrade to something else. You definitely want something better if you don't want to process card data at all on your sites.
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