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Alternatives · 2026

The best CaptainVerify alternatives

The rest of Best Email Validation Software, in this site's order: each with what it costs, where it runs and its record score.

1
MailboxValidator

MailboxValidator suits teams that need to check individual addresses through an API or validate uploaded lists in bulk.

WebAPI $19.95 one-time Record5.4 Visit
2
Hunter

Hunter may suit marketers, salespeople, recruiters and others who need to find professional email addresses or run email outreach.

WebBrowser extensionAPI $34 a month, billed yearly Record5.2 Visit
3
QuickEmailVerification

It suits marketers, developers, agencies and businesses that need to check email lists or verify addresses during signup.

WebAPI Free plan Record5.0 Visit
4 WebAPI $5 one-time Record5.0 Visit
5
APILayer Marketplace

The marketplace may suit developers prototyping applications as well as enterprise engineering teams in fintech, e-commerce, or SaaS.

WebAPI $19.99 a month Record4.9 Visit
6
Emailable

Emailable suits teams that need to verify addresses in bulk or at the point of entry, and developers connecting checks through an API.

WebAPI $32.30 a month Record4.9 Visit
7 WebAPI $9.88 a month, billed yearly Record4.8 Visit
8
DeBounce

DeBounce may suit teams that need to check individual email addresses through an API or clean uploaded lists.

WebAPI Free plan Record4.7 Visit
9 WebAPI $5 one-time Record4.5 Visit
10 WebBrowser extensionAPI Free plan Record4.3 Visit
11 $49 a month Record3.1 Visit
12 Free plan Record2.9 Visit