To get StoreFront key you need to create a private app:
- Go to the "Apps" section. Click on "Manage private apps" and you will be moved to the private app page.
- Click on "Create a new private app".
- In the field "Private app name" enter the name of the app.
- In the "Admin API" section set all permissions to "Read access" mode.
- In the "Storefront API" section turn on "Allow this app to access your storefront data using the Storefront API".
- Click on "Save".
- After saving, your access token will appear in the "Storefront API" section.
- Copy it and paste on the configuration page.