TCB Pay is a se­cure and sim­ple way to process cred­it card trans­ac­tions from your iPhone or iPad. Just sign in with your gate­way cre­den­tials and you can be pro­cess­ing pay­ments in sec­onds. Fea­tures in­clude: • Process swiped, keyed, and chip sale and cred­it trans­ac­tions (card read­er sold through your mer­chant ser­vice provider) • View a com­plete his­to­ry of mo­bile trans­ac­tions • Re­fund and void pre­vi­ous mo­bile trans­ac­tions • Set a tax rate to be au­to­mat­i­cal­ly ap­