Google Pay Spring Challenge Extended! Here's How You Can Join and Earn the $30 Reward Google Pay Spring Challenge is extended until next month, giving users additional chances to earn the $30 reward from Google. Learn how to join this promotion and never miss this opportunity. Photo : Matthew Kwong/Unsplash Google Pay Spring Challenge is extended until 11:59 PM PST of May 3, giving users based in the United States more chance to earn the $30 reward, as the XDA-Developers forum shared. Google kicked off the Spring Challenge on April 12 and initially set its closing date to April 22. The challenge requires Google Pay users to do certain tasks in the challenge to earn up to five stamps to receive $30 in their Google Pay balance.