Alfi, Inc. provides Software as a Service (SaaS) solution for the digital out of home (DOOH) smart advertising segment in the United States. It offers Alfi, an artificial intelligence (AI) SaaS platform that transforms DOOH advertising into real-time audience-based marketing, as well as uses AI and computer vision to detect audience demographics, such as age and gender to serve relevant advertising. The company intends to market Alfi to advertisers, and other DOOH and out of home media operators as the first facial detection-based ad technology offering verified impressions and audience measurement based on eyes on screens. The company was formerly known as Lectrefy, Inc. and changed its name to Alfi, Inc. in January 2020. Alfi, Inc. was founded in 2018 and is based in Miami Beach, Florida. On October 14, 2022, Alfi, Inc. filed a voluntary petition for liquidation under Chapter 7 in the U.S. Bankruptcy Court for the District of Delaware.