As stated in this article, Google Maps now requires an API key before it can be rendered properly on the ‘Contact Us’ page.
To obtain the key go to this link, scroll down to the ‘Authentication for the standard API - API keys’ paragraph and click on the ‘Get a key’ button
Create a new project and click on ‘Create and enable API’
It will take up to a minute to generate the code. When that’s done, it can be copied over to the ‘Enable Google Maps Integration’ option in the WebStore Manager.
Alternatively you can follow these steps:
- Go to the Google API Console.
- Create or select a project.
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Click Continue to enable the API and any related services.
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On the Credentials page, get an API key.
- Copy the generated API key to the ‘Enable Google Maps Integration’ option in the WebStore Manager like shown above
To check if the Google Maps JavaScript API was in fact enabled properly, go over to the dashboard and go through the list of active APIs. If for some reason it turns out to be disabled, enable it by selecting ‘Enable API’ at the top of the page and follow the steps described above for the Credentials page.