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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

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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.

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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.
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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.
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Opens by email client

Desktop
Mobile
Other
Gmail35%
Apple Mail25%
Yahoo Mail18%
Thunderbird12%

A/B variations

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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

What is SendVerify?

SendVerify is a powerful email verification and validation service designed to clean your email lists. It works by identifying invalid, risky, disposable, and low-quality email addresses, which helps improve your sender reputation, boost email deliverability, and increase the overall ROI of your email marketing efforts.

What is email verification and why is it important?

Email verification is the process of confirming whether an email address is valid, active, and able to receive emails. It is crucial because sending to invalid addresses increases your bounce rate, which damages your sender reputation, hurts deliverability, and can lead to your emails landing in the spam folder or being blocked entirely.

How accurate is SendVerify?

SendVerify provides one of the highest accuracy rates in the industry, up to 99%. Our comprehensive, multi-layered verification process ensures that we provide the most reliable results possible, so you can be confident that you are removing harmful emails and protecting your sender reputation effectively.

How does the email verification process work?

You can either upload your email list as a CSV file for bulk verification or use our real-time API. SendVerify then performs a multi-layered process that includes syntax validation, domain and MX record checks, and direct SMTP handshakes with mail servers to accurately determine if an inbox is real and able to receive mail.

Can I integrate SendVerify with my forms or application?

Yes, and we highly recommend it. SendVerify provides a real-time Email Verification API that you can integrate directly into your signup forms, pop-ups, and application workflows. This allows you to validate email addresses at the point of capture, preventing bad data from ever entering your system.

Still have questions? We're here to help.

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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.

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