The round was led by Spark Capital with participation from Jared Leto, Box CEO Aaron Levie, Yelp CEO Jeremy Stoppelman, Affirm CEO and PayPal co-founder Max Levchin and Y Combinator Continuity CEO Ali Rowghani.

X1 Card is the smartest credit card ever made. Built with 17g of stainless steel and laser etching technology, X1 Card reimagines the credit card from the ground up. It harnesses the power of technology to offer smart credit limits, an unparalleled rewards program, and automated features that will transform the way you shop and spend. The company is cofounded by Twitter alums Deepak Rao and Siddharth Batra and backed by Spark Capital, Craft Ventures, Harrison Metal, Jared Leto, Box CEO Aaron Levie, Yelp CEO Jeremy Stoppelman, Affirm CEO and PayPal co-founder Max Levchin and Y Combinator Continuity CEO Ali Rowghani.