https://console.cloud.google.com/apis/dashboard https://developers.google.com/maps/documentation/javascript/tutorial https://developers.google.com/maps/documentation/javascript/get-api-key
When logged in to your google api dashboard Click on Credentials and Create Credentials ( Create Credentials > Api key ) for the above API get the API key
Go to Api Library on https://console.cloud.google.com/apis/library and active the below API libraries:
1-Places API
2-Geocoding API
3-Google Maps API
You can watch the demo on https://www.youtube.com/watch?v=yhhkNtdg5x0&list=PLD8nQCAhR3tT9dU8JKLpG3av-WMQGPPFP
For any help please contact me on http://imransayed.com