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SPECIFICTION
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Mailbeam vs MailerCheck

Mailbeam

mailbeam.dev

MailerCheck

mailercheck.com

Side by side

FigureMailbeamMailerCheck
Price from€19/mo—
Free planYes—
Free trialYesYes
Open source——
WebYesYes
APIYesYes
Plans published71
Spec score · Email Verification APIs7.9 (#11)7.8 (#18)
HeadquartersSpainNew York, New York, United States
IntegrationsThe homepage provides integration examples for Node.js, Python, PHP, Ruby, and Go, and says no SDK needs to be installed to call its HTTP API.Listed integrations include MailerLite, Mailchimp, ActiveCampaign, GetResponse, ConvertKit, Zapier, and Make.
PurposeMailbeam provides a real-time email verification API for developers to use in signup flows.MailerCheck provides email list verification and deliverability testing to help improve email deliverability and campaign performance.
SupportThe pricing page lists community support on Free, email support on Starter, priority email support on Growth, and response-time targets for higher plans.MailerCheck invites users to contact its team for help getting started, reporting bugs, or using the tool.
Verification checksThe API runs eight checks, including syntax, MX records, SMTP existence, disposable and role-based addresses, free providers, catch-all detection, and explainable scoring.Bulk verification identifies duplicate, typo or syntax error, catch-all, role-based, disposable, and full mailbox addresses.

Plans

Mailbeam

  • FreeFree
  • Starter€19 a month
  • Growth€49 a month
  • Pro€149 a month
  • Scale€499 a month
  • EnterprisePriced on request
  • Pay-as-you-goPrice not published

Mailbeam pricing →

MailerCheck

  • Pay as you go$0.01, paid once

MailerCheck pricing →

In their own words

Mailbeam

Mailbeam is a real-time email verification API for developers adding address checks to signup flows. It runs eight checks, covering syntax, MX records, SMTP existence, disposable and role-based addresses, free providers, catch-all detection, and explainable scoring. Results include a quality score from 0 to 100 and a machine-readable reason. Its HTTP API does not require an installed SDK, and examples are provided for Node.js, Python, PHP, Ruby, and Go. Mailbeam says cached and DNS-only lookups take roughly 80ms from EU regions, while a full SMTP probe stays under one second. Its servers, databases, and processing are in the EU, with data centers in Germany. Real-time addresses are discarded immediately; batch lists and results are deleted after 72 hours. The Free plan includes 1,000 verifications per month; paid plans start at €19/mo, and a 14-day trial is listed. Monthly quotas do not roll over, and requests beyond the Free quota return a 429 error. Mailbeam is built by Spain-based software studio Sopa Lab for European developers and teams.

Visit mailbeam.dev

MailerCheck

MailerCheck has no write-up on Specifiction yet; its figures are above.

Visit mailercheck.com