The present disclosure generally relates to making payments with a mobile device. In one example process, the device receives first authentication data, such as fingerprint authentication information, and second authentication data, such as a bank authorization code. The device then transmits a transaction request for a payment transaction. In another example process, the device detects activation of a physical input mechanism and detects a fingerprint using a biometric sensor. The device is enabled to participate in NFC payment transactions. In another example process, the device displays a live preview of images obtained via a camera sensor while the device detects partial credit card information of a credit card in a field of view of the camera sensor.