Sunday is a technology company based in Atlanta, Georgia, that specializes in mobile payment solutions for the hospitality industry, particularly for restaurants, cafes, and bars. Founded in April 2021, the company has quickly grown to employ between 100 and 249 people and has raised over $124 million in funding, including a significant $100 million Series A round.

The core offering of Sunday is a QR code-based payment platform that allows diners to pay their bills quickly by scanning a code at their table. This system enhances the dining experience by enabling customers to view their bills, place orders, and complete payments without waiting for staff. Additional features include Pay at Table and Order & Pay solutions, a backend dashboard for restaurant managers, and tools to boost customer engagement. Sunday aims to improve restaurant revenue and efficiency, reporting increases in tips and average check sizes. With over 50 million payments facilitated and a growing customer base of over 4,000 hospitality businesses, Sunday is focused on modernizing payment processes and plans to expand into retail in the future.