Bulk email verification
Clean every email address in a single upload.
Protect deliverability and sender reputation with fast, accurate bulk verification. Upload your list and get clear, actionable results.
- No credit card required
- Secure and private
- Start with 100 free credits
Illustrative verification result
Complete- Valid
- 82%
- Invalid
- 11%
- Catch-all
- 4%
How it works
Verify in four simple steps.
- 1
Upload
Upload a .csv, .json, .xls, or .xlsx file with up to a million email addresses.
- 2
Verify
We check syntax, domains, mailboxes, risk signals, and disposable providers in parallel.
- 3
Review
See clear results for valid, invalid, catch-all, risky, and unknown addresses.
- 4
Download
Export the full report or a filtered list that is ready for your next campaign.
What we check
Every address, deeply verified.
Domain and MX
SMTP
Catch-all
Disposable
Role account
john.doe@example.com
Illustrative verification example
- Syntax validationPass
- Domain verificationPass
- MX record checkPass
- SMTP mailboxPass
- Catch-all detectionReview
- Disposable addressReview
Detailed results
Don't just get valid. Get the full picture.
Every email gets a useful status, confidence signal, and reason code so your team can make better sending decisions.
- Clear reason codes for every result
- Confidence signals for uncertain addresses
- Reports built for filtering and export
Privacy by design
Your data is safe with us.
Your lists are encrypted, access controlled, and retained only as long as needed.
Secure uploads
Files are protected in transit and at rest from the moment they arrive.
Data protection
Strict access controls keep processing isolated to authorized systems.
Controlled retention
Manage how long completed files and results remain available.
Simple pricing
Choose the right volume for your list.
Free
$0
100 credits
No card required
Get started freeStarter
$9
1,000 credits
$0.009 per email
Buy nowGrowth
$39
5,000 credits
$0.0078 per email
Buy nowBusiness
$99
20,000 credits
$0.0049 per email
Buy nowScale
$399
200,000 credits
$0.0019 per email
Buy nowEnterprise
Custom
500,000+ credits
Built for your volume
Contact salesFrequently asked questions
How accurate is the verification?
We combine domain, mail server, mailbox, and risk signals to return a detailed result for every address.
What file formats do you support?
You can upload .csv, .json, .xls, and .xlsx files, then export clean results for your workflow.
Is my data stored after verification?
Files are encrypted and retained only according to the configured retention period.
Clean your next email list.
Upload your list and turn uncertain contacts into clear, campaign-ready results.
Choose a file to upload