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Companies / MailTester Ninja / ChatGPT

Does MailTester Ninja use ChatGPT?

Possibly

We hold weak evidence for this, so check the source before relying on it.

  • The company's privacy policy names it as a processor, controller or partner.

How we know

Privacy policy7 Nov 2026Source

About MailTester Ninja

MailTester Ninja provides an email verifier and email finder that check addresses in real time and store nothing. It serves companies and business contacts for list cleaning, lead generation, and deliverability.

Summarized from its homepage on 7 Nov 2026.

Marketing

What else MailTester Ninja uses

MailTester Ninja has evidence for 6 vendors. The strongest:

Google AnalyticsCloudflareAnthropic

See the full MailTester Ninja tech stack

Other companies using ChatGPT

42Gears42gears.comAnnatureannature.com.aucypherbio.aiDigital Realtydigitalrealty.comKaromiakaromia.euNorynory.aiOnitonit.comSignablesignable.com

All 63 companies using ChatGPT

Check any company's vendors in seconds

See MailTester Ninja's full stack with a source for every vendor, and ask the same question about any company from the API, Claude or your browser.

  • Every company and vendor, with its public source
  • 100 API calls a month, plus MCP and the Chrome extension
  • Work email only. No card, no sales call