Uber uses a process called a "Temporary Authorization Hold" to ensure that your payment method has sufficient funds before a trip begins. When you request a ride, Uber "pings" your bank for the estimated fare amount; your bank then "holds" that money, making it unavailable for other purchases. If your card is rejected, it is usually because the bank’s fraud detection system flagged the hold as suspicious or because your "available balance" is slightly lower than the estimated fare plus a small buffer. In 2026, this common frustration is often solved by using a "Digital Wallet" like Apple Pay or Google Pay, which provides a more seamless authorization process. If you see a "double charge" on your statement, don't panic—this is usually just the initial hold and the final actual fare appearing simultaneously; the hold typically "drops off" and disappears from your account within 3 to 5 business days once the final transaction is processed and settled by your bank.