You can verify and update your Canvas PowerSchool SIF API in PowerSchool.
Open System Setup
In the Main Navigation Setup menu, click the System link.
Open Server System Settings
In the Server menu, click the System Settings link.
Open Plugin Management Configuration
On the System Settings page, click the Plugin Management Configuration link.
Open Plugin Details Page
In the Installed Plugin list, locate the plugin and click the plugin name link.
Update Plugin
In the plugin setup page, click the Update button.
Once updated, re-verify the plugin.