Unable to get YouTube Content

Envato Authors ThemeForest
#1

queryApi (https://www.googleapis.com/youtube/v3/videoCategories?part=snippet&regionCode=US&key=AIzaSyBAxEnYRsBwMYC0ZcKn0LYHOKW0L2aEujM) - YouTube API returned The request cannot be completed because you have exceeded your quota.
Notice: Unable to retrieve categories from the YouTube API.

queryApi (https://www.googleapis.com/youtube/v3/i18nRegions?part=snippet&key=AIzaSyBAxEnYRsBwMYC0ZcKn0LYHOKW0L2aEujM) - YouTube API returned The request cannot be completed because you have exceeded your quota.