Flux QR is a Mexican fintech company that provides QR code payment infrastructure to enable merchants to accept mobile wallet payments at existing point-of-sale terminals. Founded in 2018 by Max Echeverría and Fernando de la Torre, the company developed a plug-and-play device that bridges the gap between traditional payment terminals and digital payment methods. The technology works by scanning QR codes from mobile phones and transmitting payment credentials to terminals as electromagnetic signals, simulating a card swipe without requiring merchants to replace their existing hardware. The company's solution serves multiple stakeholders including merchants who need a simple integration system, card issuers seeking open and closed loop solutions, and mobile wallet providers requiring quick payment acceptance platforms. Flux QR's payment system incorporates security features such as authentication, tokenization, and encryption channels to protect transactions against fraud. The company was part of Y Combinator's Summer 2019 batch and has raised approximately $604,000 from investors including Y Combinator, Team Ignite Ventures, Orange DAO, and The Pay It Forward Company. Headquartered in the Miguel Hidalgo municipality of Mexico City, Flux QR targets the Mexican market where contactless and QR-based payments have been growing steadily. The company also offers a mobile application that transforms smartphones into payment terminals, allowing merchants to accept contactless collections from multiple digital wallets. Flux QR positions itself as an enabler of financial inclusion by making digital payment acceptance accessible to businesses of all sizes without requiring significant capital investment in new point-of-sale equipment.