When I try to use Maps JavaScript API I get this error: "for development purpose only"
You must enable Billing on the Google Cloud Project at
https://console.cloud.google.cjs?key=ZIzaSyBYpzfnPmdcSXHlV2Py8glHs4SQhoRE9qg&callback=createMap:55 om/project/_/billing/enable
Learn more at https://developers.google.com/maps/gmp-get-started
What can i do ?