Best Email Verification Services in 2026
Updated
36 email verification services ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
36ranked
0free plans on this page
7 Oct 2026last checked
Email Verification Services, one module each. A lit port is something its maker publishes; 0 of the 11 on this page have a public API.
- 26 EmailKit API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 27 EmailListVerify API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 28 EmailOversight API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 29 Impressionwise API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 30 MailboxValidator API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 31 Proofy API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 32 VerifiedEmail API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 33 EmailMarker API not on recordOSS not on recordFREE not on recordDOCS 4.9
- 34 EmailValidation API API not on recordOSS not on recordFREE not on recordDOCS 4.9
- 35 EmailVerifier.io API not on recordOSS not on recordFREE not on recordDOCS 4.9
- 36 XVerify API not on recordOSS not on recordFREE not on recordDOCS 4.9
Compare all 11 in a table
| # | Platform | Score | Free plan | Free plan | Paid from | Bulk list upload | API access |
|---|---|---|---|---|---|---|---|
| 26 | EmailKit | 5.0 | No | — | — | Yes | Yes |
| 27 | EmailListVerify | 5.0 | No | No | — | Yes | Yes |
| 28 | EmailOversight | 5.0 | No | No | 70 /mo | Yes | Yes |
| 29 | Impressionwise | 5.0 | No | No | — | Yes | Yes |
| 30 | MailboxValidator | 5.0 | No | No | — | Yes | Yes |
| 31 | Proofy | 5.0 | No | No | — | Yes | Yes |
| 32 | VerifiedEmail | 5.0 | No | Yes | — | Yes | Yes |
| 33 | EmailMarker | 4.9 | No | No | — | Yes | Yes |
| 34 | EmailValidation API | 4.9 | No | No | — | Yes | Yes |
| 35 | EmailVerifier.io | 4.9 | No | No | — | Yes | Yes |
| 36 | XVerify | 4.9 | No | No | — | Yes | Yes |
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