Blockchain Analytics offers indexed blockchain data made available through BigQuery; therefore, you must enable the BigQuery API.
Projects created in Google Cloud should already have the BigQuery API enabled.
To verify that the BigQuery API is enabled in the Google Cloud console:
In the Google Cloud console, go to the APIs & Services page.
Check the list of enabled APIs.
If BigQuery API is not listed, you'll need to enable it.
To enable the BigQuery API in the Google Cloud console:
In the Google Cloud console, go to the BigQuery API page.
Confirm the project and then click Next.
Click Enable. It can take a couple of minutes for this command to complete.