// compare
Email verification APIs compared
Hunter, ZeroBounce, NeverBounce, Kickbox, Bouncer and the rest, side by side with pingutil: what each charges, how it handles catch-all domains, what its API looks like and which sales and marketing tools it plugs into.
Competitor details come from each vendor’s own pricing page and documentation, checked October 2026. Prices change; follow the source links before you decide. Accuracy percentages are the vendors’ own claims.
| Provider | Price / 1k at 10k | Real-time API | Batch / bulk | Callbacks | Catch-all handling | |
|---|---|---|---|---|---|---|
| pingutil | Cost-effective usage-based plans | Yes | 50 per call, CSV upload | No | Probes a random address on the same domain. Catch-all domains come back risky / accept_all, never valid. | |
| Hunter | about $7.45 (Growth, monthly) | Yes | List upload | Not documented | Returns an accept_all status and flag; Hunter says it resolves some accept-all addresses at major providers. | vs pingutil |
| ZeroBounce | See their pricing | Yes | Real-time batch endpoint and a bulk file API | Not documented | Separate catch-all status; accept_all appears as a sub-status of valid for domains on ZeroBounce’s allow-list. | vs pingutil |
| NeverBounce | See their pricing | Yes | Bulk jobs API | Yes | Labels catch-all addresses (catchall result) without resolving them. | vs pingutil |
| Kickbox | See their pricing | Yes | List upload | Not documented | Reports accept-all domains with a flag; results include a reason. | vs pingutil |
| Bouncer | $6.00 | Yes | Synchronous and asynchronous batch | Not documented | Returns an acceptAll flag; markets “deep catch-all verification”. | vs pingutil |
| Emailable | See their pricing | Yes | Up to 50,000 addresses per batch, results to a callback URL | Yes | accept_all detection exists but is off by default; its docs say enabling it slows responses. | vs pingutil |
| MillionVerifier | See their pricing | Yes | Bulk file API | Not documented | Labels catch-all addresses (catch_all result). | vs pingutil |
| Clearout | See their pricing | Yes | Bulk file API | Yes | Dedicated catch-all endpoint; markets “Deep Verify” for catch-all and gateway-protected addresses. | vs pingutil |
| DeBounce | See their pricing | Yes | Asynchronous bulk API | Not documented | Accept-all result code, plus a separate catch-all validator product. | vs pingutil |
| Reoon | $1.19 | Yes | Bulk task API, up to 50,000 addresses per task | No | Detected in power mode only; quick mode skips the mailbox check. | vs pingutil |
| Verifalia | See their pricing | Yes | Job-based API with completion callbacks | Yes | Catch-all servers are classified as Risky. | vs pingutil |
| Abstract API | See their pricing | Yes | Not documented | Not documented | Returns an is_catchall flag. | vs pingutil |
What actually separates them
- Catch-all honesty. Every SMTP verifier hits domains that accept any address. Some flag them, some resell a “deep” check, a few count them as valid. Find out which before you trust a “99% accurate” headline.
- Where it runs. Real-time checks belong in signup forms and CRM workflows; bulk jobs belong in list cleaning. Most teams need both from one API.
- Integration cost. A clean REST API with clear statuses saves more engineering time than a long list of one-click apps you never configure.
- Price per definitive answer. A cheap check that returns unknown for a third of your list costs more than it looks.
Why teams pick pingutil
Cost-effective verification with results you can act on, built to drop into the tools sales and marketing already run: CRMs, outbound sequencers, onboarding and signup flows, and email platforms.
- Typo suggestions (gmial.com → gmail.com)
- Disposable-domain detection (about 9,900 domains, synced weekly)
- Role and randomized-address detection
- Company profile and domain intelligence on the same API key
- Results cached under a keyed hash of the address, never the plain address. Nothing is sent to the mailbox.