USD, one-time purchases. One credit per valid, risky, or invalid verification result. Unknown results are free. Credits never expire; no subscription or automatic renewal.
Assumes every address produces a charged result and you have no existing credits. The estimate selects one pack large enough for the list. Unknown outcomes reduce actual credit use.
How credits work
Valid, risky, and invalid verification results each cost one credit. Unknown verification results are free. Single checks, batch API checks, and bulk CSV verification use the same account balance. Discovery has a separate rule: 2 credits per unique email found; it is not included in this verification estimate.
Purchased credits do not expire. There is no subscription or automatic renewal. The calculator below estimates a new pack purchase, not a prorated charge per list. You keep any remaining credits for future checks.