1) You need to add the API in the XStore > Authorization APIs https://prnt.sc/1wu2idt
2) Please check the referrer settings of your API key in the Cloud Console https://prnt.sc/1wu2tye because you get RefererNotAllowedMapError in console https://prnt.sc/1wu2x7o
3) Don’t add any script to the search field. That is to look for location, it’s not for the script.
One standard license is valid only for 1 project. Running multiple projects on a single license is a copyright violation.