Login to Tess:

Open Tess in your browser and login with your credentials.
Press F12 to open Developer Tools.
Go to the Network tab.
Refresh the page to capture network requests.
Find the request in the list and go to the Headers section.
Copy the Authorization Bearer Token.

Navigate to the subject and unit in Tess:

Visit a URL like https://tesseractonline.com/student/subject/<subject-id>/unit/<unit-id>.
Extract the unit_id from the URL (e.g., unit_id is 316 from https://tesseractonline.com/student/subject/61/unit/316).