Add Service
Before getting started, make sure you have added billing information to your workspace (see tutorial).
1
From your Subscriptions page, click the Add Service button.

Screenshot with the Add Service button
2
Click the Web Toolkit link.

Screenshot with the Web Toolkit link
3
Choose your desired plan.

Screenshot with the Review Changes button
4
After confirming any feature and pricing changes, Click the Apply Changes button.

Screenshot with the Apply Changes button
5
Once applied, you can always return later and make additional changes.

Screenshot of the Billing | Named Graph page.