Best Email Verification Services in 2026
Updated
36ranked
1free plans on this page
$9.88/molowest paid tier
9 Oct 2026last checked
1 of the 11 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 26 | EmailKitWeb | No signal | — | — | 1 of 6 | — | 5.1 |
| 27 | VerifiedEmailWeb | No signal | — | — | 1 of 6 | — | 5.1 |
| 28 | CaptainVerifyWeb · API | One bar | — | — | 1 of 6 | $36/mo | 5.0 |
| 29 | Email HippoWeb · API | One bar | — | — | 1 of 6 | $9.88/mo | 5.0 |
| 30 | EmailValidation APIWeb | No signal | — | — | 1 of 6 | — | 4.8 |
| 31 | EmailVerifier.ioWeb | No signal | — | — | 1 of 6 | — | 4.8 |
| 32 | ImpressionwiseWeb · API | No signal | — | — | 1 of 6 | — | 4.8 |
| 33 | MailboxValidatorWeb · API | One bar | — | 1 of 6 | Free | 4.8 | |
| 34 | ProofyWeb · API | No signal | — | — | 1 of 6 | — | 4.8 |
| 35 | XVerifyWeb | No signal | — | — | 1 of 6 | — | 4.8 |
| 36 | EmailMarkerWeb | No signal | — | — | 1 of 6 | — | 4.7 |
Compare all 11 in a table
| # | App | Score | Free plan | From | Free plan | Paid from | Bulk list upload | API access |
|---|---|---|---|---|---|---|---|---|
| 26 | EmailKit | 5.1 | No | — | — | — | Yes | Yes |
| 27 | VerifiedEmail | 5.1 | No | — | Yes | — | Yes | Yes |
| 28 | CaptainVerify | 5.0 | No | $36/mo | No | — | Yes | Yes |
| 29 | Email Hippo | 5.0 | No | $9.88/mo | No | 9.88 /mo | Yes | Yes |
| 30 | EmailValidation API | 4.8 | No | — | No | — | Yes | Yes |
| 31 | EmailVerifier.io | 4.8 | No | — | No | — | Yes | Yes |
| 32 | Impressionwise | 4.8 | No | — | No | — | Yes | Yes |
| 33 | MailboxValidator | 4.8 | Free plan | Free | No | — | Yes | Yes |
| 34 | Proofy | 4.8 | No | — | No | — | Yes | Yes |
| 35 | XVerify | 4.8 | No | — | No | — | Yes | Yes |
| 36 | EmailMarker | 4.7 | No | — | No | — | Yes | Yes |
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