Kickbox ensures you only send email to real users and helps you separate the low-quality addresses from high-value contacts. Quickly validate and verify your email lists. Just drop your contacts directly into the Kickbox interface. They'll sort out the good, the bad, and the ugly. Verify email addresses within your application using their Real Time API. Get a head start with the Kickbox API libraries for Node.js, PHP, Python, and Ruby. Protect your reputation, increase open rates, and save money with Kickbox.
“Kickbox has been instrumental in helping our business minimize fraud and reduce bounce rates. We have found the Kickbox API to be extremely accurate and reliable.”




Read Kickbox Reviews, Testimonials & Customer References from 21 real Kickbox customers.
Browse Kickbox Case Studies, Customer Success Stories, & Customer References from 21 businesses that use Kickbox.