TBA Requests does not actively collect any user data.
TBA API v3 Auth Keys (also known as X-TBA-Auth-Keys) are stored with their documents and never collected or sent except to thebluealliance.com for the purposes of completing spreadsheet queries.
Any other information processed by TBA Requests will not be collected or sent except to thebluealliance.com for the purposes of completing spreadsheet queries.
Please note that while Google and its related services (i.e. Chrome Web Store, etc.) may collect usage data on TBA Requests, this process is independent of TBA Requests.