What Zendesk's terms say
Zendesk's terms of service and privacy policy have 7 rated points: 0 serious, 2 bad, 5 worth knowing and 0 good. 6 apply whenever you use the site, signed in or not; 1 only once you have an account.
Whenever you use Zendesk
Bad 2
Terms may be changed any time at their discretion, without notice to you
Where it says this ↗You are being tracked via social media cookies/pixels
Where it says this ↗
Worth knowing 4
The service is provided 'as is' and to be used at your sole risk
The service is provided 'as is' and to be used at the users' sole risk
Where it says this ↗There is a date of the last update of the agreements
Where it says this ↗First-party cookies are used
Where it says this ↗You agree to defend, indemnify, and hold the service harmless in case of a claim related to your use of the service
Where it says this ↗
If you have a Zendesk account
Worth knowing 1
This service is only available to users over a certain age
Where it says this ↗
The documents
Ratings by ToS;DR volunteers; they can lag behind the current terms. Not legal advice.