The funding, led by Index Ventures, will enable Curtsy to scale, build out a stellar team, and continue to gain market share by simplifying resale for the casual seller.

Curtsy is an app that lets women buy and sell clothing, shoes, and accessories from their phones. The app uses machine learning and human review to help sellers merchandise their items in the best way and provides sellers with a Shipping Kit to remove the friction from order fulfillment. The app was founded by David Oates, William Ault, Clara Agnes Ault, and Eli Allen and participated in Y Combinator. It has raised $14.5 million to date.