Go to this link to make key map https://developers.google.com/maps/documentation/javascript/get-api-keyarrow-up-right
You have to add and enable some services:
Choose services: Directoition API, Geocoding API, Maps Javascript API, Places API (New)
Check surely 3 services enabled
Insert Your Card information in Billing Form
Events >> Settings >> General Tab >> Google API Key Map
Last updated 2 months ago