To avoid cancelling the Sentry subscription, is it possible to pause it for a few months?

It's not possible to pause a membership. You would need to cancel your membership and resubscribe later when you're ready. You can cancel your subscription here.

Cancelling your membership does not delete your Sentry Organization, it will merely place you on our Developer tier plan.

Please note that the free Developer plan is limited to one member and 30 days of data retention vs 90 days on our paid plans.