Posted on October 3, 2019 by What to expect at the Made by Google Pixel 4 event on October 15 Email address and unique API key are both required. At least one is missing. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pocket (Opens in new window) Related Affiliate Marketing