Side by side

EmailMarker vs EmailVerifier.io

Both stand on email verification services. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

EmailMarker

Free plan APIWeb

EmailMarker offers list cleanup, API access, and integrations alongside its address checks. Its results can vary, so users should not treat verification as an absolute guarantee.

Visit EmailMarker

EmailVerifier.io combines address validation, risk checks, bulk processing, and API access. Its free verifications and non-expiring credits provide flexible entry points, while the monthly unlimited option has stated customer and selector limitations.

Visit EmailVerifier.io

The facts

	EmailMarker	EmailVerifier.io
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	API, Web	API, Web
Lowest paid plan	1,000 email verifications: $3, paid once	Unlimited Verification: $299 a month
Plans published	9	2
Maker	Not published	Not published
Website	emailmarker.com	emailverifier.io
On email verification services	#12 of 36	#16 of 36

EmailMarker: what it does well

Checks disposable, role-based, and risky addresses
CSV uploads support up to 1 million emails
API supports single and bulk verification
Free signup includes 150 verifications

What to know first

Verification results are not guaranteed absolutely accurate
Uploaded data remains until deleted or account closure
One-time 1,000-verification pack costs $3, paid once

EmailVerifier.io: what it does well

Provides 100 free verifications
Checks spam traps and disposable addresses
Supports bulk upload and export
Offers API and real-time form checks
Uploaded files delete after 30 days

What to know first

Unlimited plan costs 299.00 USD monthly
Unlimited plan notes a limited number of customers
Refund requests require review
Paid credits are sold in a one-time package

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