SureSend - Email validation that works
A simple API to validate email addresses in real-time. Reduce bounces and protect your sender reputation.
Everything you need to validate emails
Minimize spam signups and bounced emails with comprehensive validation in milliseconds.
Syntax validation
Instantly catch typos and formatting errors with RFC-compliant syntax checks.
MX record verification
Confirm domains can actually receive email by checking mail server records.
Disposable detection
Block temporary email addresses with our constantly-updated database.
Global infrastructure
Low-latency responses from servers distributed around the world.
Simple integration
One API call from any language with clear, consistent responses.
Comprehensive results
Get granular validation data for informed decision-making.
Dead simple API
One endpoint, clear responses. Integrate in minutes with any tech stack.
GET /api/v1/[email protected]Used by businesses of all sizes
From startups to enterprises, SureSend helps maintain clean user data.
E-commerce
Ensure order confirmations reach customers and reduce cart abandonment emails that bounce.
SaaS
Filter trial signups to focus on serious prospects and increase conversion rates.
Marketing
Maintain sender reputation and deliverability by eliminating invalid addresses from your lists.
Start free, scale as you grow
Predictable pricing with generous free tier and volume discounts.
Free
$0/month
- 100 validations/month
- All validation features
- Standard API access
- Community support
Pro
$4.99/month
- 1,000 validations/month
- All validation features in Free plan
- 5 requests per second
- + $0.0049 for additional request
Ultra
$24.99/month
- 10,000 validations/month
- All validation features in Pro plan
- 5 requests per second
- + $0.0024 for additional request
Mega
$79.99/month
- 50,000 validations/month
- All validation features in Ultra plan
- 10 requests per second
- + $0.0015 for additional request
Common questions
Is SureSend GDPR compliant?
Yes. We never store validated emails or personal data beyond processing the validation request.
How accurate is the validation?
SureSend delivers 99.9% accuracy with our triple-verification system and real-time disposable domain database updates.
Do you offer custom plans?
Yes. Contact us for tailored pricing based on volume needs and custom features.
How do I get started?
Sign up for an API key at RapidAPI, then use our code samples to implement validation in minutes.
Ready to validate emails?
Start with 100 free validations per month. No credit card required.