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EmailMarker

Verify Emails with Confidence·emailmarker.com

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EmailMarker is an email verification service that checks email addresses through a 10-step process including syntax validation, MX record checks, SMTP verification, spam trap and disposable email detection. It offers a real-time validation API for forms and a bulk CSV upload tool for cleaning large lists, aiming to reduce bounce rates and protect sender reputation.

What it's for

Reduce email bounce ratesProtect sender reputationClean email lists before campaignsVerify emails in real time at signup or checkout formsDetect spam traps and disposable emailsBulk clean CSV lists of up to 1 million emails per uploadAutomate list cleaning via ESP/CRM integrations

Features 18

  • 10-step verification process (syntax, typo detection, disposable, role-based, spam trap, MX records, catch-all, SMTP, domain age, risk score)
  • 99% uptime SLA
  • Automatic new-subscriber verification
  • Bulk list verification via CSV upload (up to 1 million emails per upload)
  • Catch-all domain detection
  • Confidence scoring (0-100)
  • Disposable email detection
  • Domain age check
  • Global coverage supporting 200+ countries
  • Integrations with email marketing platforms and CRMs
  • One-click list cleaning
  • Real-time email validation API
  • RESTful JSON API with SDKs for JavaScript, Python, Ruby, PHP, Go, and Node.js
  • Role-based email flagging
  • Smart deduplication
  • Spam trap detection
  • Typo correction/detection
  • Webhook support

At a glance

free trialAPI
TypeWeb app
DeploymentCloud
PlatformsWeb
Formarketers, developers, growing teams

Integrations

AweberActiveCampaignSendGridKitMailgunBrevoGetResponseMailerLiteKlaviyoMailchimp

Resources

Pricing

Pricing is pay-once for credit packs that never expire; no subscriptions or monthly fees. Enterprise volumes over 2 million emails require custom quoted pricing.

Free Trial (150 credits)Free

No credit card required to start

150 free email verification credits

1,000 emailsQuote

One-time credit purchase, no subscription

1,000 email verification credits, credits never expire

5,000 emailsQuote

One-time credit purchase, no subscription

5,000 email verification credits, credits never expire

10,000 emailsQuote

Marked as 'POPULAR' on the pricing page

10,000 email verification credits, credits never expire

50,000 emailsQuote

Highlighted plan on the pricing page

50,000 email verification credits, credits never expire

100,000 emailsQuote

One-time credit purchase, no subscription

100,000 email verification credits, credits never expire

500,000 emailsQuote

One-time credit purchase, no subscription

500,000 email verification credits, credits never expire

1,000,000 emailsQuote

One-time credit purchase, no subscription

1,000,000 email verification credits, credits never expire

2,000,000 emailsQuote

One-time credit purchase, no subscription

2,000,000 email verification credits, credits never expire

EnterpriseQuote

Custom pricing, contact sales

For more than 2 million emails

50,000-credit pack shown at 43% off, equating to $0.0017 per email

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Last checked 1 month ago·