When you check into a hotel, they perform a "pre-authorization hold" on your credit card. This is not an actual charge, but a "freeze" on a portion of your credit limit. This hold typically covers the total cost of your room and tax, plus a predetermined amount for incidentals (usually $50–$100 per night) for things like room service, the minibar, or potential damages. The hotel communicates with your bank to ensure the funds are available. Once you check out and the final bill is settled, the "hold" is released, though it can take 3 to 7 business days for the funds to reappear in your available balance, depending on your bank's policies. In 2026, many hotels also use your card information for "Digital Check-In" or "Mobile Keys," storing the tokenized data securely to allow for contactless payment of any extra services you charge to your room throughout your stay.