Email Verification Services & Email Validation API

Reduce Hard Bounces and Identify Spam Traps

Our email verification service verifies email deliverability in real-time using the latest advancements in SMTP verification. It also identifies most spam traps and complainers to further improve your email campaigns.

Append and Verify Emails

Accurate Append can search for a new verified email address to replace any existing email addresses in your list verified as undeliverable. All in one easy step when combined with our email verification service!

Expert Support and Advice

We specialize in deep, long-lasting support customized to your needs. Your success and growth are our business model, and we’re building the products and custom solutions to prove it.

Email Verification- Frequently Asked Questions

Does your email verification service work with Mail Chimp, Constant Contact and others?

Yes, our email verification service works with all providers and will reduce bounce rates by up to 95%. It’s important to note that Mail Chimp and others use many factors other than bounce rate to determine if they will allow a list to be broadcast through their system.

Does your verification service send an email to the recipients in my list?

No, our service pings the ISP and verifies the deliverability status without contacting the recipient.

Can your email verification service verify email addresses in my NationBuilder.com account?

Yes, you can verify your email addresses directly in your Nation without importing or exporting using out NationBuilder app. Our email verification service is frequently recommended by NationBuilder organizers.

Can you append another email address if the recipient's email address is bad?

Yes, our email append service can be used in conjunction with our email verification service and can append a new email address where the input email address cannot be verified.