Yes, credits can carry over differently depending on your subscription type:For monthly subscriptions:** Unused credits roll over and accumulate in your account
** The accumulation is capped at 2x your plan's monthly credit limitFor annual subscriptions:** You receive all credits upfront
** You can use these credits flexibly throughout the year however and whenever you'd like
Sources:Do credits roll over? - FAQ | Clay.comCredit Rollover Monthly vs. Annual PlansNew self-serve annual plans