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Email validation made simple

Developer-first email validation API with 99.9% accuracy. Validate emails in real-time with syntax, MX, and SMTP checks. Start with 1,000 free validations per month.

Get Started FreeTry the API
No credit card required
Sub-100ms response
99.9% accuracy
# Validate an email in seconds
curl -X POST https://api.verifykit.io/v1/verify \
-H "X-API-Key: vk_live_your_key" \
-d '{"email":"[email protected]"}'
# Response (50ms later)
{
"email": "[email protected]",
"valid": true,
"reachable": "safe",
"score": 0.95
}
Trusted by 1000+ developers

Why developers choose VerifyKit

Built for modern applications that need reliable email validation without the complexity.

Lightning Fast

Sub-100ms response times with edge computing on Cloudflare's global network.

99.9% Accuracy

Multi-layer validation including syntax, MX records, and SMTP verification.

Global Infrastructure

Deployed across 275+ cities worldwide for consistent performance.

Developer First

Beautiful docs, SDKs for all languages, and a playground to test instantly.

Generous Free Tier

1,000 validations per month free. No credit card required to get started.

Enterprise Ready

99.9% SLA, dedicated support, and custom solutions for high-volume usage.

Try it live

Test our email validation API right here. Connected to our live API with a secure demo key.

Live API demo - real validation results

Email Validation

Enter an email address to validate it using our API

# cURL Command
curl -X POST https://api.verifykit.io/v1/verify \
-H "X-API-Key: vk_live_your_key" \
-d '{"email":"[email protected]"}'

Validation Result

Real-time response from the VerifyKit API

Enter an email address and click "Validate" to see the results

What developers say

Join thousands of developers who trust VerifyKit for their email validation needs.

"VerifyKit reduced our email bounces by 89% and improved our sender reputation significantly."
S

Sarah Chen

CTO, SendGrid Alternative at EmailFlow

"The API is incredibly fast and the documentation is the best I've seen. Integrated in 10 minutes."
M

Mike Rodriguez

Lead Developer at ShopifyApp Co

"We processed 2M emails last month with 99.8% accuracy. VerifyKit scales with us effortlessly."
A

Alex Thompson

Engineering Manager at MarketingTech

Simple, transparent pricing

Choose the perfect plan for your email validation needs. Start free, upgrade when you grow.

Free

$0/month
1000 validations/month

  • 1,000 validations/month
  • Basic email validation
  • API access
  • Community support
Most Popular

Pro

$29/month
50 000 validations/month

  • 50,000 validations/month
  • Advanced email validation
  • Priority API access
  • Email support
  • Webhooks

Unlimited

$99/month
Unlimited validations

  • Unlimited validations
  • Premium email validation
  • Dedicated support
  • Custom integrations
  • SLA guarantee

Need something custom? We've got you covered.

Contact Sales

Ready to get started?

Join thousands of developers using VerifyKit to validate emails at scale.

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