The round was led by Spark Capital with participation from Abstract Ventures, Packy McCormick's Not Boring Syndicate, Firsthand Ventures, Correlation Ventures, Ride Ventures, Spacecadet Ventures, and several angel investors. Heyday will use the funding to grow the team and develop the product. Spark Capital Partner, Kevin Thau, will join the Board of Directors.

Heyday is an AI-powered research assistant that makes you feel smarter by automatically resurfacing content you forgot about. Heyday's browser extension won Product Hunt #1 Product of the Month for April 2022 and was recognized by Fast Company as one of the "Best New Productivity Apps" in February 2022. Heyday extensions are available for Chrome, Firefox, Brave, Edge, and Vivaldi.