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MailSift

MailSift

Email verification for developers, in one fast API call

0upvotes
Launched July 22, 2026
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About MailSift

MailSift is a developer-centric API designed to streamline email verification processes. It consolidates over 15 checks—including validation of invalid, disposable, relay, typo, role-based, and risky emails—into a single, rapid response, providing a trust score from 0 to 100 in under 100 milliseconds. This tool is ideal for developers and businesses looking to improve email deliverability, reduce bounce rates, and enhance campaign quality by filtering out unusable email addresses before they reach production or marketing efforts. Its versatility allows verification of individual emails, bulk CSV lists, or integration via API, making it suitable for a wide range of use cases. Starting with 500 free checks and offering credits that never expire, MailSift ensures cost-effective scaling as your email validation needs grow. Its speed and comprehensive checks make it a standout choice for any team prioritizing accuracy and efficiency in email validation.

Screenshots

MailSift screenshot 1
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Pros

  • ✓Fast response time under 100ms for real-time verification
  • ✓Comprehensive checks covering 15+ email risk factors
  • ✓Easy API integration for both individual and bulk validation
  • ✓Generous free tier with 500 initial checks and non-expiring credits
  • ✓Holistic trust scoring for better decision-making

Cons

  • ✗Limited information on pricing tiers beyond initial free checks
  • ✗Potential learning curve for integration without detailed documentation
  • ✗No mention of additional features like GDPR compliance or data security

Use Cases

1Pre-landing page email validation to improve user signup quality
2Filtering email lists before sending marketing campaigns
3Real-time verification during user registration flows
4Cleaning and maintaining email databases
5Reducing bounce rates in email outreach efforts
6Ensuring compliance by filtering role-based or risky emails

Pricing

Likely a freemium model offering 500 free checks with paid plans based on additional credits, which never expire, making it scalable and cost-effective for growing needs.

Quick Info

Category💻 Developer Tools
Upvotes0
Comments1
Launched7/22/2026

Topics

EmailAPIDeveloper Tools

Makers

Freddie Developer

Freddie Developer

Alternatives

•NeverBounce
•ZeroBounce
•Kickbox
•Hunter.io Email Verifier
•MailboxValidator
View all MailSift alternatives →

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