Deepnote BigQuery integration uses the official python BQ client library
Authentication in the integration works through a generated JSON service account key
Follow this guide to create a service account and download its key
2. Create BigQuery integration & paste the content of your service account key to the specified field
3. After the integration is created, you can connect it to any of your projects. Click the How to use button in order to connect to your BigQuery warehouse in the notebook.