How to get Google Cloud key file?
Learn how to generate a Google Cloud JSON key file to use for connecting Coupler.io to your BigQuery source or destination.
- Go to the Google Cloud Platform console.
- On the left-hand side of the activity dashboard, pick IAM & Admin.

- Then on the left-hand side of the IAM & Admin page, pick Service Accounts.

- Click Create service account at the top to add a new service account.

- Enter the Service account name and press Create.

- Add roles:
If you are setting up BigQuery as a source in Coupler.io (you only plan to grab data from BigQuery):
- BigQuery Data Viewer
- BigQuery Job User
If you are setting up BigQuery as a destination in Coupler.io (or plan to use it both as a source and as a destination):
- BigQuery Data Editor
- BigQuery Job User
- Click Continue, Done.

- Find your service account and open it.

- Navigate to the Keys tab

- Click "Add key", select the option "Create new key".

- Pick JSON type and press Create.

- You will be asked to save a file to your computer. Save it.
