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
john.doe@example.com

Illustrative verification result

Complete
98%
Valid
82%
Invalid
11%
Catch-all
4%
Safe

How it works

Verify in four simple steps.

  1. 1

    Upload

    Upload a .csv, .json, .xls, or .xlsx file with up to a million email addresses.

  2. 2

    Verify

    We check syntax, domains, mailboxes, risk signals, and disposable providers in parallel.

  3. 3

    Review

    See clear results for valid, invalid, catch-all, risky, and unknown addresses.

  4. 4

    Download

    Export the full report or a filtered list that is ready for your next campaign.

What we check

Every address, deeply verified.

Syntax

Domain and MX

SMTP

Catch-all

Disposable

Role account

john.doe@example.com

Illustrative verification example

Deliverable
  • 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.

Starter

$9

1,000 credits

$0.009 per email

Buy now
Most popular

Growth

$39

5,000 credits

$0.0078 per email

Buy now

Business

$99

20,000 credits

$0.0049 per email

Buy now

Scale

$399

200,000 credits

$0.0019 per email

Buy now

Enterprise

Custom

500,000+ credits

Built for your volume

Contact sales

Frequently 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