They may be using something like Sift for security checking and something of yours was flagged. Source: over 1 year ago

But sorry to break it to you, this has been done at a really large scale already although most consumers are not aware. One big player here is https://sift.com/ Almost every major retailer uses their service exactly for the reasons you mention. Source: almost 3 years ago

Reddit, for one. A pretty big list on their homepage. Source: almost 3 years ago

Stripe already has similar. It’s called Payment Links. Extremely easy and they manage all past transactions. https://stripe.com/payments/payment-links. - Source: Hacker News / 10 months ago

If you’re mostly using Stripe’s no-code products such as Payment Links, this is all you need to do. PayPal will now be a payment option for all your customers. - Source: dev.to / about 1 year ago

You might want to look at Stripe. https://stripe.com/payments/payment-links or https://stripe.com/docs/no-code/buy-button . Make a simple HTML site with the appropriate products and links, host it somewhere free/cheap, and let Stripe handle the cart and money. Source: 12 months ago

We recently released a new way to use Stripe Payment Links on your website. You can now easily turn them into customizable embedded buttons using the Dashboard, generating a custom piece of code that you can add to your codebase so you can sell your products online with minimal effort. - Source: dev.to / over 1 year ago

If you are using Stripe there are simple solutions that may work for you, like Stripe Checkout or Payment Links. https://stripe.com/payments/payment-links. Source: over 1 year ago