Sealch

Sealch

Sealch Pro
+
+

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About

Abstract's Email Verification & Validation API is used by 100,000+ developers globally to validate 50 million+ emails daily. It's designed to give you best in class email verification without needing to be an email verification expert. We provide libraries and tutorials to get started quickly, deploy multiple times per day, and provide 24/7 global support.

About

Sealch is an email verification service that runs the same live SMTP and catch-all check as ZeroBounce and NeverBounce — at a flat $0.35 per 1,000, roughly 10× cheaper. Upload a CSV or call the bulk API, and every address is checked in real time against the recipient's mail server (no email is ever sent). Results come back cleanly segmented into deliverable, risky, and invalid, with catch-all domains flagged honestly as "risky" instead of a false "valid." You're never charged for unknowns, and credits never expire. Built for outbound and email marketing teams who need a clean list before they send — without paying enterprise prices. Features include live SMTP verification, catch-all detection, disposable and role-based address filtering, bulk CSV processing, and a REST API. Start free with 200 verifications, no credit card required.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Application developers interested in a suite of email verification and validation APIs

Audience

Lead generation agencies, cold emailers, email marketing

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version
Free Trial

Pricing

$9/month
Free Version
Free Trial

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

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Pros & Cons from Real Users

Pros

  • We used the email verification and validation API to prevent spam sign ups on our ecommerce site and Abstract what a great match for us. The responses were faster and more accurate than other options we tried. Since Abstract offers other API's like IP geolocation we were worried about not having a specialist provider, but Abstract really was excellent. And now we are using more of their API's.

Cons

  • They didn't have many different pricing plans at first, but eventually we worked with them to get a price that worked for us.

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Abstract
Founded: 2020
www.abstractapi.com/email-verification-validation-api

Company Information

Sealch Pro
Founded: 2026
United States
sealch.com

Alternatives

Emailvalidation.io

Emailvalidation.io

Everapi GmbH

Alternatives

Categories

Categories

Email Verification Features

Bulk Email Verification
Catch-all Server Detection
Disposable Email Detection
Domain Check
Mail Server Validation
Single Email Verification
Spam Trap Detection
Syntax Check

Integrations

No info available.

Integrations

No info available.
Claim Abstract Email Verification & Validation API and update features and information
Claim Abstract Email Verification & Validation API and update features and information
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Claim Sealch and update features and information