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Bulk Email Checker

Bulk Email Verifier: Stop Bounces & Verify Emails Instantly·bulkemailchecker.com

Bulk Email Checker is an SMTP-based email verification and validation service that checks whether email addresses are real and deliverable, helping businesses clean their lists, prevent bounces, and protect sender reputation. It offers bulk CSV/TXT list verification, a real-time verification API for signup and checkout forms, a WordPress plugin, and a dedicated thread-based Unlimited API for high-volume use. The service has verified over 11.7 billion emails and prevented 1.9 billion bounces since 2012.

What it's for

Cleaning bulk email lists to reduce bounce ratesReal-time email validation on signup formsCheckout page email validation to ensure order confirmations arriveLead capture form validationCRM data entry validationPeriodic re-verification of email lists before campaignsBlacklist and bounce monitoring integration with ESPsBlocking spam signups on WordPress forms and registrationsVerifying emails directly within Google SheetsVerifying emails directly within Microsoft Excel

Features 20

Blacklist auto-sync with ESPs (bounces, complaints, unsubscribes)
Bulk CSV/TXT file upload verification
Catch-all domain detection
Disposable/temporary email detection
Domain typo correction suggestions
Duplicate email removal
Free re-verification of previously failed addresses
Gibberish/bot-generated address detection
Google Sheets integration via IMPORTXML
Greylisting bypass detection
Microsoft Excel integration via WEBSERVICE function
MX enrichment data (IP, hostname, geolocation, ISP, ASN)
MX record and DNS validation
Real-time SMTP-based email verification
Real-time verification API with JSON/XML responses
Role account filtering (info@, admin@, support@)
Spam trap detection
Team accounts with role-based permissions and shared/allocated credits
Unlimited Email Verification API with thread-based flat-rate pricing
WordPress plugin with 32 form/plugin integrations

At a glance

free tierfree trialAPI

TypeWeb app

DeploymentCloud

PlatformsWeb

ForMarketing Agencies, Startups & SMBs, CRM & Data Teams, Developers & SaaS, Sales & Outreach Teams, Seasonal Marketers, Enterprises

CompanyBulk Email Checker · 2012

Integrations

MakeHubSpotSalesforceActiveCampaignKlaviyoMailChimpSendGridMailgunPostmarkMailjetMandrillGoogle SheetsMicrosoft ExcelWordPressContact Form 7Gravity FormsWPFormsNinja FormsFormidable FormsFluent FormsForminatorWS FormElementor Pro FormsJetpack FormsEverest FormsCaldera FormsHappyFormsWooCommerceUltimate MemberBuddyPressProfile BuilderWP-MembersTheme My LoginUser RegistrationMemberPressMailPoetMC4WPNewsletterEasy Digital DownloadsLearnDashLifterLMSGiveWPZapiern8n

Complianceself-reported

SOC 2 Type IIISO 27001GDPRCCPAHIPAA

Resources

Docs

Pricing

Pricing is primarily pay-as-you-go: credits never expire and are purchased across 14 volume tiers from $2.95 (1,000 verifications) to $3,299.95 (25,000,000 verifications), with no monthly fees or subscription required. A separate Unlimited Email Verification API is sold as a month-to-month subscription with flat rates by thread count ($250/mo for 1 thread up to $11,250/mo for 50 threads); custom pricing is available for 50+ threads. 10 free verifications per day are available without an account.

FreeFree

Available via the free email checker tool.

10 free email verifications per day, no account required

Pay-As-You-GoQuote

One-time credit purchase usable across the dashboard bulk upload and real-time API. Team accounts included free: 3 members with any purchase, 5 members with 1,000,000+ credits in one order, 10 members with 10,000,000+ credits in one order, custom 10+ by contacting support.

Credits never expire; no monthly fees; volume tiers from 1,000 to 25,000,000 verifications; custom enterprise quote for 25,000,000+.

Unlimited API - 1 Thread$250/mo

Month-to-month billing, cancel anytime.

Unlimited monthly verifications with 1 concurrent connection

Unlimited API - 5 Threads$1200/mo

Month-to-month billing, cancel anytime.

Unlimited monthly verifications with 5 concurrent connections

Unlimited API - 10 Threads$2300/mo

Marked as most popular tier. Month-to-month billing, cancel anytime.

Unlimited monthly verifications with 10 concurrent connections

Unlimited API - 20 Threads$4600/mo

Month-to-month billing, cancel anytime.

Unlimited monthly verifications with 20 concurrent connections

Unlimited API - 50 Threads$11250/mo

Month-to-month billing, cancel anytime.

Unlimited monthly verifications with 50 concurrent connections

Custom Enterprise (Unlimited API, 50+ Threads)Quote

Contact sales for a custom enterprise plan.

For 50+ threads