Solved
Google map integration using API
When using API key it is throwing an error showing the key must be billable. What is the solution for that?

When using API key it is throwing an error showing the key must be billable. What is the solution for that?

You need to enable billing on your project first. Google doc says:
You have not enabled billing on your project which is causing this error. You must enable Billing on the Google Cloud Project.
Login with your account and check here to create billing account.
For billing refer here
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