Enterprise Email & IP
Validation API

Validate email addresses and IP addresses with a single, powerful API. Clean lists, boost deliverability, detect threats, and maximize ROI. Remove fake emails, spam users, and malicious IPs from your systems.

99.99% availability

Includes 1,000 free checks

No credit card required!

api.securekit.dev
Email Validation
Email:user@example.com
Valid:✓ Yes
Deliverable:✓ Yes
Risk Score:Low (5/100)
IP Validation
IP Address:192.168.1.1
Valid:✓ Yes
VPN Detected:No
Security Score:Low (10/100)
Location:United States
https://api.securekit.dev/api/v1/check

API Playground

Test our validation APIs in real-time. Try validating emails or IP addresses instantly.

https://api.securekit.dev/api/v1/check/email
{
  "email": "",
  "api_key": "*********"
}

API key is securely handled server-side

Response will appear here after validation

Two Powerful Validation APIs

SecureKit provides comprehensive validation for both emails and IP addresses through dedicated, specialized API endpoints.

Email Validation API

Comprehensive email validation with detailed insights:

  • Format validation & DNS verification
  • MX records validation & deliverability status
  • Free email & disposable email detection
  • SPF & DMARC policy enforcement checks
  • Domain age & TLD information
  • Risk scoring with actionable recommendations

IP Validation API

Complete IP address analysis and security assessment:

  • VPN, proxy & abuse detection
  • ASN, organization & connection type
  • Geolocation data (city, region, country)
  • GPS coordinates (latitude & longitude)
  • Timezone information
  • Risk scoring with allow/block recommendations

Why Choose SecureKit?

Lightning Fast

Sub-500ms response times ensure your application stays responsive and your users stay happy.

99.9% Uptime

Enterprise-grade infrastructure ensures your validation requests are always processed reliably.

Easy Integration

RESTful API with comprehensive documentation and SDKs for popular languages. Get started in minutes.

Simple, Transparent Pricing

Choose the plan that fits your needs. All plans include our core validation features.

Free Plan

$0/month

Perfect for getting started with SecureKit

Free forever
1,000checks/month
  • Basic email & IP validation
  • Syntax + MX + DNS checks
  • Basic Analytics Dashboard
  • No credit card required
  • Webhooks
  • Custom Lists
POPULAR

Developer

$9/month

Indie developers, early-stage startups

or $90/year (save 17%)
5,000checks/month
  • Everything in Free Plan
  • Disposable Email & VPN Detection
  • Risk Scoring for Email/IP
  • Full Analytics Dashboard
  • Webhooks
  • Custom Lists
  • Email Support

Pro

$29/month

SaaS & production teams

or $290/year (save 17%)
25,000checks/month
  • Everything in Developer Plan
  • IP Geolocation / ASN data
  • Team Access
  • Priority Support
  • Higher Rate Limits (5,000/min)
  • Custom Rules (coming soon)

All plans include our core validation features. Upgrade or downgrade at any time.

Need a custom plan? Contact us

Ready to Get Started?

Join developers who trust SecureKit for their validation needs. Start with 1,000 free checks today.