In Chartio’s connection form, copy Chartio’s IP address, which is located under the Hostname or IP field.
Open a new browser window and go to your Project list in the Google Developers Console. Select your Project from the list. Choose Cloud SQL from the left navigation, then select your Google Cloud SQL instance. Click the Access Control tab.
Click Add new under the Authorized Networks section of your Access Control settings, and add Chartio’s IP address that you copied earlier.
You’ll see your Google Cloud SQL IP address on this tab as well, which you’ll need to enter into the Chartio connection form.
Google Cloud SQL SSL Connection
Chartio does not currently support SSL connections to Google Cloud SQL.