Email Validation & Verification Platform
Clean your email lists with AI-powered validation. 99.5% accuracy, 20+ verification checks, and data you can trust.
Email Validation Features: 20+ Verification Checks
Our comprehensive validation engine checks 20+ data points to ensure email deliverability.
Syntax Validation
RFC 5322 compliant syntax checking to catch formatting errors instantly.
DNS & MX Verification
Verify domain existence, MX records, and mail server configuration.
SMTP Verification
Real-time mailbox verification without sending e-mails; automatic retry when the server asks us to come back later.
Disposable Detection
Identify temporary and disposable addresses with a domain list refreshed every day.
Catch-All Detection
Detect domains that accept every address — and grade the evidence that this mailbox is real (0–10).
Typo Correction
Suggest corrections for common domain typos like gmial.com.
Role-Based Detection
Identify generic emails like info@, support@, admin@.
Domain Website Analysis
Parked, for-sale or redirected domains are flagged before they bounce.
Toxicity Index
A 0–5 reputation-risk score for every address: what would hurt your sender reputation.
List Quality Report
Health grade A–F and projected bounce rate before and after cleaning, on every bulk job.
Recurring Monitors
Re-validate saved lists weekly, bi-weekly or monthly — with a delta of what changed.
Smart Retries
Temporary server answers get a second and third pass automatically, at no extra credit.
Never Pay Twice
Addresses validated in the last 30–90 days are reused at zero credits, encrypted at rest.
Provider Rules
Usernames a provider could never issue are rejected instantly — no server call needed.
Domain Reputation
Check domain age, DNSBL status, and reputation scores.
How Email Validation Works: 3 Simple Steps
Our validation process is designed to be fast, accurate, and easy to integrate.
Upload or Connect
Upload your CSV file, use our API, or connect your CRM directly.
Validate & Analyze
Our AI engine validates each email through 20+ verification checks.
Export Clean List
Download your clean list with detailed validation results and scores.
Email Validation Pricing — Pay As You Go
No monthly fees. Credits never expire. Start free with 200 credits.
| Credits | Price | Per Email | |
|---|---|---|---|
| 5,000 | $29 one-time | $0.0058 | Buy Now |
| 10,000 | $49 one-time | $0.0049 | Buy Now |
| 25,000 Most Popular | $99 one-time | $0.0040 | Buy Now |
| 50,000 | $159 one-time | $0.0032 | Buy Now |
| 100,000 | $269 one-time | $0.0027 | Buy Now |
| 250,000 | $589 one-time | $0.0024 | Buy Now |
| 500,000 | $839 one-time | $0.0017 | Buy Now |
| 1,000,000 | $1,179 one-time | $0.0012 | Buy Now |
Custom Amount
Minimum: 1,000 credits
Need more than 1 million credits?
Contact SalesEmail Validation Integrations: Salesforce, HubSpot & More
Connect AT Valid with your existing workflow in minutes.
REST API
Easy Integrationcurl -X POST "https://api.atvalid.com/v1/validate" \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{"email": "[email protected]"}'{
"status": "valid",
"score": 98,
"grade": "A",
"risk": "low"
}Every Email Counts.
Every Tree Does Too.
Validating your list isn't just about deliverability. It's about reducing digital waste and lowering your carbon footprint. Discover the real impact of your email list.
ESG Sustainability Seal
Your clients embed the seal on their website or email to show the real environmental impact of list hygiene.
Start reducing your digital footprint today
Validate your list for free and discover how many invalid emails you can remove.
Frequently Asked Questions
How accurate is AT Valid email verification?
AT Valid achieves 99.5% accuracy across 20+ verification checks including SMTP verification, DNS validation, disposable email detection, and domain reputation analysis.
How many free credits do I get?
Every new account receives 200 free email verification credits. No credit card required to start.
Does AT Valid integrate with my CRM?
Yes, AT Valid integrates with Salesforce, HubSpot, Mailchimp, RD Station, Pipedrive, Zapier, and offers a REST API and Webhooks for custom integrations.
How fast is the email validation process?
Single email verification takes less than 1 second. Bulk validation processes up to 100,000 emails per hour with our API.
Is my data secure with AT Valid?
Yes, we are GDPR compliant and use bank-level encryption. We never store or share your email lists. Data is processed in real-time and immediately deleted.
Ready to Clean Your Email List?
Start with 200 free credits. No credit card required.