Verify if an email address is valid, active, and safe to use. Detects invalid, disposable, role-based, and risky emails in real time.
Cost / License
- Freemium
- Proprietary
Platforms
- Online
- Zapier
- Software as a Service (SaaS)


Apps similar to Captain Verify include Easy Email Verification, which has a free version. Other options are MailProbe, DeliverIQ, Bounceless and uchecker. There's no shortage of Email Marketing Services like Captain Verify, with more than 25 alternatives for the web, self-hosting, Windows and iPhone.
Verify if an email address is valid, active, and safe to use. Detects invalid, disposable, role-based, and risky emails in real time.


Real-time email verification REST API — syntax, MX, SMTP, catch-all and disposable checks with a 0-100 confidence score, 2 to 4x cheaper than the leaders, EU-hosted with zero result caching.




DeliverIQ is the deliverability layer of MiN8T, an email infrastructure, design, and deliverability platform. It runs the same 21-check verification pipeline that ZeroBounce and NeverBounce charge for, plus DNSBL across 50 zones, SPF/DKIM/DMARC analysis, and spam-trap scoring...




Bulk verifier removes invalid, duplicate, and risky emails, offers drag-and-drop uploads, syntax and SMTP checks, spam trap detection, blacklist alerts, inbox placement tools, API connectivity, easy integration with marketing platforms, and rapid processing.




Safilist is an email verification service that checks whether the addresses on your list can actually receive mail. It runs real SMTP, syntax, MX-record and disposable-domain checks and returns a clear Safe / Risky / Invalid verdict with a list-health score — catching invalid...



Email list validation tool: Simple, fast & accurate. DeBounce service allows you to upload and validate lists of email addresses quickly and in a secure way. All you have to do is upload an email list to it's web interface. DeBounce also offers API.



ZeroBounce is an email validation software that cleans your email list by removing invalid emails, reducing the risk of bounces and protecting your sender reputation. It also removes known email complainers and spam traps from your list.




Verify email addresses at 99.7% accuracy with real-time SMTP checks, bulk CSV uploads, and a pay-as-you-go REST API. No subscription required.




Filters invalid, disposable, spam-trap, deactivated, and duplicate emails to help uphold sender reputation. Offers syntax error suggestions, high accuracy claims, fast turnaround, affordability, API integration, and web-based access for any device.




Gamalogic provides Email Address validation API for free with higher accuracy. Our API remove invalid email addresses from your list using most sophisticated technologies to prevent email bounces and improve quality of lead delivery metrics.
