Home

Solutions

The same check serves very different jobs. An agency cleaning a client's inherited list has a different problem from a signup form rejecting typos in real time.

Auditing a purchased email list

A vendor promised a verified list. Here is how to test that claim on a sample before you send, and the risk that stays no matter what the audit says.

Email list cleaning for nonprofits

Clean an old donor list before the year-end appeal: 100 free checks a month, $89 for 50,000 addresses, credits that never expire, unknowns never billed.

Email validation for AI-built apps

Add a real mailbox check to a signup form your AI builder wrote. One POST to /v1/verify, four results, and 100 free checks a month with no card.

Email verification for agencies

Agencies inherit lists they did not build. Verify a client's data before the first send, report what nobody could resolve, and bill the credits through.

Email verification for cold email teams

Built-in verification in Instantly and Smartlead is a filter, not a verdict. Why a second pass matters when domain reputation is the whole business.

Email verification for CRM migrations

A migration is the one moment everyone agrees the data needs cleaning. How to verify mid-migration so dead records never reach the new system.

Email verification for data teams

Run verification as a scheduled warehouse job: what to store, why every verdict needs a timestamp, and how to stop re-checking 1 address forever.

Email verification for developers

An API with 4 results and 3 flags, scoped API keys, jobs you poll for bulk lists, and a refunded credit on every unknown result.

Email verification for ecommerce

A mistyped address at checkout means no order confirmation and a support ticket. Catch the typo on the page, with a timeout near 500 ms.

Email verification for education

Student addresses expire at graduation, parent contacts go stale between years, and alumni lists decay fastest. Check each of the 3 on its own schedule.

Email verification for email marketers

Bounce thresholds, sunset policies, re-engagement lists and what a verifier can and cannot do for the numbers your ESP holds you to.

Email verification for enterprise

What an enterprise review needs before ZapBounce is approved: deletion by API, scoped keys and a processor agreement. All 3, documented.

Email verification for event marketing

Badge scans, registration forms and a joining link that has to arrive before the session starts. Where event data breaks and how tight the timing is.

Email verification for financial services

Statements and notices must arrive. Verify client addresses with deletion you control, down to delete-on-download, and a processor agreement ready to sign.

Email verification for healthcare marketing

Patient contact data carries rules a marketing list doesn't. Send ZapBounce only the address, keep the rest in-house, and delete results on download.

Email verification for lead generation

Form fills, gated content and enriched records reach the CRM at different quality levels. Where to put the check so sales never works a dead address.

Email verification for publishers

Newsletters bill on subscriber count and live on deliverability. Signup bots, typo domains and inactive readers each need a different fix. Here are all 3.

Email verification for real estate

Portal leads, open-house sign-ins and a 5-year past-client database. See which real estate lists carry the most dead addresses and check those first.

Email verification for recruiters

Check sourced candidate addresses before the first touch: catch-all work domains labeled, unknowns never billed, and 1,000 checks for $5.

Email verification for SaaS

Trial abuse, bounced activation emails and inflated signup numbers. Where verification belongs in a SaaS funnel, with 100 free checks a month to start.

Email verification for settlement notices

Check a class list before the notice goes out. Every row comes back with a status, a timestamp and a reason code, and unknown results are refunded.

Email verification for small businesses

One list, one sender, no deliverability specialist. What a small business needs from verification, and how far 100 free checks a month will go.

Run a sample through it

100 free checks a month, no card, and the unknowns come back labeled.

Get an API key How we report accuracy