Verification under financial-services scrutiny
Financial services firms care about a different failure than most senders. A marketing bounce is a nuisance. A statement notification or a regulatory notice that does not arrive is a record-keeping problem with an audit trail attached.
That reframes what verification is for here. It is less about campaign performance and more about knowing which client contact records cannot receive anything.
An undeliverable notice is a finding, not a metric
When a statement notification bounces, the obligation does not go away. Somebody has to notice, the record has to be updated, and the client has to be reached another way. Discovering it through a bounce means discovering it after the deadline.
A periodic check of client contact records turns that into a queue you work through in advance. The addresses that come back invalid are the ones needing a phone call before the next cycle rather than after it.
Vendor review will ask what the tool cannot do, and the honest answer is a short list: catch-all domains cannot be resolved by anyone, pristine spam traps cannot be detected, and we publish no accuracy percentage because we have not measured one. A vendor whose answer to each of those is a number is showing you how they handle the next question.
How the work gets done
The order that matters for financial services, rather than a generic checklist.
Check client contact records on a schedule
Quarterly, against the file of addresses that receive notices. The output is a work queue for the operations team, not a marketing report.
Treat invalid as an action, not a deletion
A client whose address stopped working still needs reaching. The verdict starts an outreach task; it does not close a record.
Set retention to match your policy
Zero means results are deleted once downloaded. It is a per-key setting, so the schedule your policy requires is a configuration rather than a negotiation.
Keep the evidence
The batch summary is dated and shows what was checked and what could not be resolved. That is the artifact a reviewer asks for, and it is worth keeping alongside the remediation.
What verification will not do here
What it costs
Client contact files of 100,000 are $139 to check, at $0.00139 each. Credits never expire, which fits a quarterly cycle rather than a monthly subscription.
Every tier works the same way. Unknown results and duplicates are never billed, and credits do not expire.
Questions we get asked
Does verification satisfy a delivery obligation?
No. It tells you in advance which addresses cannot receive anything. What your obligation requires after that is a question for your compliance team.
Where is the data processed?
Ask before the review starts, and get it in writing. It is the first question on every questionnaire in this sector and it should not be answered from a marketing page.
What accuracy do you claim?
None, because we have not measured it. Vendor figures in this category are computed after the unknowns and catch-alls leave the denominator, which is why Hunter's own benchmark measured the field at 63% to 70% against published claims of 99%.
Try it on your own list first
100 free checks a month, no card. Run a sample and read the unresolved count before you decide anything.