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SendX

Email software to send campaigns, build lists, and automate marketing

SendPost

Reach your customers' inboxes on time, every time with Email API + SMTP Relay

SendVerify

Clean email lists to eliminate bounces and engage subscribers

Current

Try it free

Features

Try it free

Clean Lists. Better Deliverability.

Improve your email list quality, eliminate bounces, and protect your sender reputation with our powerful verification and list hygiene service.

Try it free

No credit card required. Cancel any time.

See how it works

Bounce Rate Reduction

Up to 98%

Spam Trap Detection

Yes

Emails Verified Daily

Millions

Free Verifications

1,000

Contact Growth

200

175

150

125

100

01/01

01/04

01/07

01/10

01/13

01/16

01/19

01/22

01/25

01/28

01/31

Trusted by Businesses

SendVerify is proud to help businesses maintain a pristine sender reputation and improve their email ROI.

Trusted by companies worldwide

A powerful suite of tools for complete list hygiene

Everything you need to verify, clean, and protect your email lists.

Bulk Email List Cleaning

Easily upload and clean your entire email list to remove invalid, risky, and low-quality contacts.

Supports various file formats for easy uploading.

Identifies invalid, disposable, and spam-trap emails.

Download a clean, segmented list ready for your next campaign.

Learn More

Real-time Email Verification API

Prevent bad data from entering your ecosystem with our real-time verification API.

Integrate directly with your website signup forms and applications.

Verify new email addresses as they are collected, instantly.

Protect your list quality from the source and maintain high data standards.

Learn More

Bulk Email List Cleaning

Easily upload and clean your entire email list to remove invalid, risky, and low-quality contacts.

Supports various file formats for easy uploading.
Identifies invalid, disposable, and spam-trap emails.
Download a clean, segmented list ready for your next campaign.

Real-time Email Verification API

Prevent bad data from entering your ecosystem with our real-time verification API.

Integrate directly with your website signup forms and applications.
Verify new email addresses as they are collected, instantly.
Protect your list quality from the source and maintain high data standards.

Opens by email client

Desktop

Mobile

Other

Gmail35%

Apple Mail25%

Yahoo Mail18%

Thunderbird12%

A/B variations

Variation 1

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Why List Hygiene Matters

A clean list is the foundation of great email deliverability and high ROI.

Decrease Bounce Rates

Keep your bounce rate low and protect your sender reputation by removing invalid emails.

Avoid Spam Traps

Our system identifies and removes known spam traps to keep you in good standing with ESPs.

Increase Engagement

Focus on genuine subscribers to see higher open rates, click rates, and conversions.

Learn more about the benefits

Verification for Every Use Case

From real-time API validation to bulk list cleaning, SendVerify has a solution for every business that relies on email.

Essential for businesses of all types:

Any business that collects emails needs to ensure they are valid. A clean list is the first step to successful communication and growth.

E-commerce & Retail - Reduce failed order confirmations and delivery updates.

SaaS & Tech - Improve user onboarding and reduce churn by maintaining clean user data.

Publishers & Bloggers - Grow your audience with confidence, knowing your newsletters reach real readers.

Lead Generation - Increase the quality of your leads by validating contact information at the point of capture.

Verify for Free View API Docs

For Email Marketers

Maximize campaign ROI, improve open rates, and protect your sender reputation by ensuring you only send to a clean, engaged audience.

For Developers

Use our fast and reliable API to build real-time email validation directly into your signup forms and applications, stopping bad data at the source.

For Agencies & ESPs

Efficiently manage and clean email lists for multiple clients, ensuring you deliver the best results and protect the domain reputation of every account you manage.

What customers are saying...

After using SendVerify, our bounce rate dropped from 6% to under 0.5%. The impact on our sender score and inbox placement was immediate. An essential tool for us now.

David L., Head of Growth

Retail Company

The real-time API was incredibly easy to implement on our signup forms. We've stopped bad emails at the source, and our list quality has never been better.

Emily C., Developer

Tech Startup

Frequently asked questions

Everything you need to know about SendX and email marketing

Still have questions? We're here to help.

Visit Help Center Contact Support

Ready for a Cleaner, More Effective Email List?

Join thousands of businesses who use SendVerify to reduce bounces, avoid spam traps, and improve their email marketing ROI.

Verify for Free See How It Works

Millions of emails verified daily.

Email analytics dashboard showing opens by email client with 3D perspective