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From a raw listto a safe send.

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No email is sent during a check. The free plan includes 100 checks a month.

Verifier

Product

Email verificationWeb workspacePricingIntegrationsChangelog

Features

Single checksFind emailList cleaningScores and reasonsDelivery feedbackSuppression listOngoing re-checksAPI and SDKsTeam workspace

Use cases

Email marketingMarketing operationsSignup formsPlatforms and agencies

Resources

Resource hubGuidesBlogSecurity

Company

ContactPrivacyTermsResponsible disclosure
Verifier

© 2026 Oppulence Engineering · Verifier

Your lists stay yours. Inside your organization.

Every list, result, and key is scoped to your organization. You choose how long results are kept, and server credentials never reach the browser.

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Result retention+ organization only

Keep results for

30 daysDefault
90 daysFor quarterly reviews
365 daysFor audits

Scoped API keys · Signed webhooks · No email sent

Works with your email platform

SendGridMailgunPostmarkAmazon SES

How it is built

Protection built in. Not added later.

API keys
NameScopesCreatedStatus
Signup formverifyOct 02● Active
Nightly CRM syncbulk, listsSep 18● Active
Old import scriptbulkJun 11Revoked

Give each key only the scopes it needs. Revoke it at any time.

Organization scope

Lists, results, history, and API keys belong to your organization. Other organizations cannot see them.

Signed webhooks

Webhooks we send are signed with your secret. Delivery events from SendGrid, Mailgun, and Amazon SES are signature-checked.

No credentials in the browser

The browser never receives the credentials our servers use to talk to each other.

No email sent

A check never delivers a message to the recipient.

Retention you choose

Choose how many days results are kept in your workspace.

Questions

Before you start.

Where is my data stored?

In our hosted service. Access is limited to your organization.

Does the browser receive server credentials?

No. Requests from the browser go through our servers, and server credentials never reach the browser.

Does a check send an email?

No. A check never delivers a message to the recipient.

Continue reading

  1. 01PrivacyHow account and verification data are handled.
  2. 02Responsible disclosureReport a vulnerability through the security channel.
  3. 03Delivery feedbackHow delivery events reach your workspace.

Questions about security?

Tell us what your review needs, and we will answer it.

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