K

Kickbox

kickbox.com ↗

Kickbox provides email verification services to help improve deliverability by checking email address validity.

Disclosed by 4 companies

• B

  beehiiv.com

  Email validation

  “Email validation” source · observed Jul 23, 2026

• K

  Kit

  Email and office application

  “Kickbox Email and office application USA” source · observed Jul 23, 2026

• P

  publer.com

  Email address verification and fraud prevention

  “Email address verification and fraud prevention” source · observed Jul 23, 2026

• S

  Smint.io GmbH

  validating email addresses

  “We use Kickbox to validate email addresses of users who register with our Smint.io Portals and Content Buying Portal services.” source · observed Jul 30, 2026