AI-Powered Verification v4.0

Clean Lists.
Better Delivery.

The world's most accurate email validation platform. Reduce bounces by 99% and ensure your messages always reach the inbox.

Try our free email verifier

No credit card required • Instant results

Trusted by 5,000+ forward-thinking companies

Slack Business Communication Platform LinkedIn Professional Network Mailchimp Email Marketing Service Amazon Web Services Cloud Infrastructure HubSpot CRM and Marketing Automation

Simple, powerful verification

Verify your lists in three easy steps.

1

Import Contacts

Upload a CSV, paste a list, or connect via our robust REST API in minutes.

2

Deep AI Analysis

Our engine performs multi-step checks including DNS, SMTP handshake, and AI scoring.

3

Clean & Boost

Download your clean list and instantly improve your sender reputation and ROI.

ROI Calculator

See how much you save by cleaning your list.

50,000
Money Saved
$0
ROI Boost
0%

Domain Health

Check your SPF, MX, and DMARC status instantly.

Scale Your Outreach

Contact Form Marketing

Reach decision-makers on over 50 million websites. Submit your message to contact forms at scale — with AI-optimized copy, targeting by country and industry, and real-time analytics.

50M+ contact forms • 1 credit = 1 submission • AI Message Assistant built in

  • Target by industry & region — High-quality leads from contact forms where prospects are most attentive.
  • Automated capture & enrichment — No manual data entry; clean and route leads into your CRM.
  • Analytics & spam filtering — Track performance and keep your pipeline free of junk.
  • Ideal for B2B lead gen, partnerships, recruitment, and product launches.
Help Center

Frequently Asked Questions

Everything you need to know about our service.

What is email verification?
Email verification checks whether an email address is valid and deliverable before you send. We verify syntax, domain, mailbox, and risk signals so you reduce bounces and improve deliverability.
How accurate is EmailCheck?
We deliver industry-leading accuracy with real-time verification and ongoing list hygiene. Our system catches invalid, risky, and catch-all addresses so your sender reputation stays strong.
Can I try it for free?
Yes. Sign up for a free account and get monthly verification credits. You can also test single addresses on this homepage. No credit card required.

Still have questions?

View more FAQs Contact Support
Our Plans

Simple, Transparent Pricing

Start for free, scale as you grow.

Free

Perfect for individuals and small tests.

$0/mo
  • 100 Credits Monthly
  • 3 Form Submissions
  • Basic API Access
Get Started

Starter

Essential features for growing teams.

$18/mo
  • 3,000 Credits Monthly
  • 1,000 Form Submissions
  • Basic API Access
Select Plan
Popular

Pro

Maximum power for large scale operations.

$40/mo
  • 10,000 Credits Monthly
  • 3,500 Form Submissions
  • Priority 24/7 Support
Select Plan
Wall of Love

Trusted by Developers

Join thousands of companies scaling their deliverability with EmailCheck.

★★★★★

"EmailCheck helped us clean our list before the campaign. Deliverability improved noticeably."

S
Sarah M.
TechFlow Inc
★★★★★

"Bulk verification saved us hours. Results matched expectations."

A
Anna L.
B2B Outreach Co
★★★★★

"Integration was seamless. We now validate every signup in real time and our bounce rate dropped to near zero."

J
Jennifer W.
LeadGen Plus
★★★★

"We use the API for our signup flow. Fast and reliable."

J
James K.
Growth Labs
★★★★★

"EmailCheck helped us clean our list before the campaign. Deliverability improved noticeably."

S
Sarah M.
TechFlow Inc
★★★★★

"Bulk verification saved us hours. Results matched expectations."

A
Anna L.
B2B Outreach Co
★★★★★

"Integration was seamless. We now validate every signup in real time and our bounce rate dropped to near zero."

J
Jennifer W.
LeadGen Plus
★★★★

"We use the API for our signup flow. Fast and reliable."

J
James K.
Growth Labs
Get Started

Ready to get started?

Start your EmailCheck journey for free. No credit card required.