Reach Real Inboxes.
Verify Every Email.
Remove invalid, fake, disposable, and risky email addresses before they damage your sender reputation and campaign performance.
Test any email right now
Enter an email and see real-time verification results instantly.
ⓘ Test a few emails for free. Sign up to verify more.
Three tools, one platform
Email verification, mail server health, and blacklist check — all in one place.
Email Verification
Check if an email address is real and reachable — in real time, without sending a single message.
- Syntax & format validation
- MX records lookup
- SMTP mailbox existence check
- Catch-all domain detection
- Disposable email detection
- Greylisting detection
- Role account detection
- SPF, DKIM, DMARC presence
Email Server Test
Analyze your mail server headers to catch authentication issues before they hurt your deliverability.
- SPF validation
- DKIM signature check
- DMARC policy analysis
- ARC chain verification
- PTR / rDNS check
- MX records inspection
- Header counts
- Mail flow hops analysis
Blacklist Check
See if your domain or IP is listed on major blacklists — before your emails start landing in spam.
- 50+ blacklists checked
- Real DNS lookup — live data
- Domain & IP lookup
- Spamhaus ZEN, DBL, ZRD
- SpamCop, Barracuda, UCEProtect
- Abusix, blocklist.de, DroneBL
- Instant results with lookup URLs
- Detailed listing reason
Four steps to a clean list
From a messy CSV to a verified, campaign-ready list — in minutes.
Import
Upload a CSV or Excel file, or paste emails directly. Works via the API too.
Verify
Our engine checks syntax, MX, SMTP, disposable status, catch-all, and greylisting.
Analyze
See a clear breakdown — Valid, Catch-All, Risky, Invalid — for every email.
Export
Download your clean, verified list as a CSV — ready to use in your campaigns.
Integrate verification anywhere
One REST API call. Full Swagger/OpenAPI docs included with every plan. Drop email verification into any form, CRM, or workflow. Sign up to access your API key and documentation.
// Bulk email verification const response = await fetch( 'https://invalidbounce.com/api/bulk-verify', { method: 'POST', headers: { 'X-API-Key': `${YOUR_API_KEY}`, 'Content-Type': 'application/json' }, body: JSON.stringify({ emails: ['user@example.com'] }) } ); // Response { "success": true, "job_id": 1042, "message": "Verification started" }
Simple, credit-based pricing
Pay as you go or subscribe monthly. Credits never expire. All plans include API access, Swagger docs, webhooks, and CSV export.
- ✓ 139 verification credits
- ✓ All verification checks
- ✓ REST API access
- ✓ CSV export
- ✓ 1 email server test / mo
- ✓ 1 blacklist check / mo
- ✓ From 10,000 verification credits
- ✓ All verification checks
- ✓ REST API + Swagger docs
- ✓ CSV export
- ✓ Credits never expire
- ✓ Pay once or subscribe monthly
- ✓ Everything in paid plans
- ✓ Volumes above 2M emails
- ✓ Volume discounts
- ✓ Dedicated support
- ✓ Custom billing
Plans from Basic ($24) to Elite ($1,109 · 2M credits). Pay once or subscribe monthly. See all plans →
Why Email Marketers & Developers Love Us
Three things that actually matter when choosing an email verifier.
Lightning Fast, Ultra Accurate
Get results in minutes—not hours. Industry-leading accuracy and real-time validation mean better deliverability and higher ROI.
Seamless Integrations
Works with the platforms you already love. Google Sheets, and any CRM or tool via our REST API — no tech headaches.
Secure & Reliable
Enterprise-grade security and continuous privacy compliance, so your data always stays protected and confidential.
Get 139 Free Email Verification Credits Today
No credit card required. Start verifying in seconds.
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