Payment system havebecome the most often used by many people in the world. Technology advances has encouragedpeople in using cashless term through credit card, debit card, and e-money. Meanwhile, the subject of this research is Jenius. Jenius is a revolutionary banking application that is equipped with a visa debit card to help peopleconduct their financial activities such as saving, transacting, or managing people’sfinancesto bemore safely, smartly and simply.Everything is done from one place including all on a smartphoneby using the Jenius mobile application. This research has a focus in the perception of millennials’towards the persuasive message of Jenius Connectadvertising in Instagramas a payment system. The theory that is used are Elaboration Likelihood Model(ELM), Computer Mediated Communication (CMC), and Integrated Marketing Communication (IMC). There are severalconcepts which are Instagram,Instagram Advertising, and Digital Marketing. The research methodology is using qualitative with the data collection through observation and interview. The finding of the research has stated that most of Millennials’ tendtolike the promosthat areoffered in the Instagram account of Jenius
Keywords: Public Relations,Payment System,Visa Debit,PersuasiveMessage,Perceptions, ELM,CMC,IMC, Social Media,Instagram,Advertising, Instagram Advertising, DigitalMarketing, Marketing and Millennials