Yeah, I believe this was using an iPhone.
Here is their list of prohibited items:
Acceptable Use Guidelines for Apple Pay on the Web
These guidelines are for businesses that wish to incorporate Apple Pay into their websites.
Prohibited Uses
You may not incorporate Apple Pay into a website that:
Violates any law or otherwise fails to comply with legal requirements
Offers transactions involving:
Tobacco, marijuana, or vaping products
Firearms, weapons, or ammunition
Illegal drugs or non-legally prescribed controlled substances
Items that create consumer safety risks
Items that are intended to be used to engage in illegal activities
Pornography
Counterfeit or stolen goods
Personal fundraising or collections of nonprofit donations unless approved by Apple
Primarily offers or sells drug paraphernalia or sexually-oriented items or services
Promotes hate, violence, or intolerance based on race, age, gender, gender identity, ethnicity, religion, or sexual orientation
Involves the purchase or transfer of currency (including cryptocurrencies) unless approved by Apple
Constitutes a staged digital wallet (e.g., where a second payment transaction is conducted in order to complete the first transaction or where there is a substitute merchant of record in a transaction)
Engages in fraud
Infringes or violates the intellectual property, publicity, or privacy rights of another
Shows Apple or its products in a false or derogatory light
Apple reserves the right at any time to disable Apple Pay transactions on your websites for any reason it deems prudent.