PCI DSS scope is determined by whether your system transmits, processes, or stores cardholder data not by whether you intend to. If a guest can type a card number into any field in your app, that field (and the system behind it) is in scope.
The safest architectural decision
Never handle card data directly. Use a payment processor’s hosted fields or tokenisation SDK so the card number goes directly from the guest’s browser to the processor, never touching your server. Your system only ever sees a token.
This keeps your PCI scope to SAQ A the simplest self-assessment questionnaire instead of the much more demanding SAQ D. That difference is significant: SAQ D has over 300 requirements. SAQ A has around 22.
What “in scope” actually means operationally
If you’re in scope for PCI DSS, you need to: maintain a network security policy, implement access controls, encrypt cardholder data at rest and in transit, log and monitor access, run quarterly vulnerability scans, and complete an annual assessment. For a small team, this is a significant ongoing burden.
Reducing your scope to SAQ A by using hosted fields is not a workaround it’s the architecturally correct decision. The payment processor is better equipped to secure card data than most application teams, and they have the compliance infrastructure to prove it.
The room charging alternative
For hotel in-room ordering specifically, there’s an even better option: charge to room. The guest selects “charge to room” at checkout, the order amount is posted to their folio via the PMS API, and they settle the bill at check-out with whatever payment method is on file.
No card data touches your system at all. PCI scope is zero. And for most hotel guests, charging to room is actually the preferred option it’s how hotel charging has worked for decades.
Design for room charging first. Handle card payments as a secondary option for guests who aren’t staying or prefer to pay separately.