Per Diem is an AI operating system for restaurants[1] founded in 2021. The company went through Y Combinator's Winter 2021 batch[3] and is headquartered in New York City, NY, USA, with remote operations[2]. Per Diem has a team size of 25[4].
The platform addresses the fragmented software landscape in restaurant management by consolidating multiple disconnected tools into a single system[5]. Per Diem's AI agents build and maintain branded apps, run marketing campaigns, manage loyalty programs, automate operations, and facilitate first-party sales growth[5]. The company is built natively on Square and serves over 800 brands, powering more than 500,000 monthly orders through its operating system for commerce, customer retention, and growth[5].
About
- Restaurants today rely on dozens of disconnected tools to manage ordering, loyalty, marketing, and operations. Per Diem replaces that fragmented software stack with AI agents that build and maintain branded apps, run marketing campaigns, manage loyalty, automate operations, and help restaurants grow first-party sales. Built natively on Square, 800+ brands use Per Diem to power more than 500,000 monthly orders as their operating system for commerce, customer retention, and growth.[5]
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