MailTester Ninja

Spec sheet

API

The service offers a REST API for integrating email verification into other solutions, including CRMs and email marketing tools.Read 8 Oct 2026 · mailtester.ninja

Security

The privacy policy says it implements appropriate measures to protect against unauthorized access or disclosure.Read 8 Oct 2026 · mailtester.ninja

Privacy

The privacy policy says submitted email addresses are processed temporarily and deleted after analysis, and are not stored permanently.Read 8 Oct 2026 · mailtester.ninja

Support

The pricing page states global support is available 24/7.Read 8 Oct 2026 · mailtester.ninja

Headquarters

London, UKRead 28 Sep 2026 · mailtester.ninja

Company

MailTester Ninja says it is developed by Unlimited & Limited, a London-based company specializing in email verification and search solutions.Read 8 Oct 2026 · mailtester.ninja

API rate limits

The API page states Pro plans allow 100,000 emails per day and Ultimate allows 200,000, with higher limits available by purchasing additional quantity.Read 8 Oct 2026 · mailtester.ninja

Bulk input and export

On desktop, users can upload address lists and export validated results as CSV or copy them into a spreadsheet.Read 8 Oct 2026 · mailtester.ninja

Email finder

The finder accepts a full name followed by a domain to search for the corresponding contact email.Read 8 Oct 2026 · mailtester.ninja

Email verification

The verifier checks email addresses and reports results as Accepted, Rejected, or Unverifiable.Read 8 Oct 2026 · mailtester.ninja

Finder restriction

The finder page allows lawful individual lookups and prohibits email harvesting or bulk extraction, with permanent ban as the stated consequence.Read 8 Oct 2026 · mailtester.ninja

Free access

The homepage describes an email checker and verifier as free, and the verifier page offers an upgrade to a paid Pro plan.Read 8 Oct 2026 · mailtester.ninja

GDPR

The company states that its temporary email processing is conducted in compliance with GDPR.Read 8 Oct 2026 · mailtester.ninja

Input handling

The verifier extracts and deduplicates email addresses from text or lists in different formats.Read 8 Oct 2026 · mailtester.ninja

Usage limit behavior

Requests above a plan’s daily limit are refused and the quota resets the next day.Read 8 Oct 2026 · mailtester.ninja

Plans and prices

Every MailTester Ninja plan and price →

Where Specifiction places it

• Email Verification Services#26 of 367.6