Kickbox vs. Lead411

Kickbox is a leading email verification solution, empowering businesses to verify email addresses, whether one by one in real-time or in bulk—ensuring you only send to valid and responsive email contacts. Kickbox's real-time email verification API seamlessly integrates with various web forms and touchpoints, from account sign-ups and lead capture forms to your CRM or e-POS system. By implementing this additional layer of security, the API efficiently sifts out fake or invalid email addresses on the spot.

Lead411 is an Unlimited data provider that has the most comprehensive and accurate information about contacts and companies available in the marketplace. We currently have over 450M contacts, within 20M companies worldwide. Through targeted filters, and Growth Intent Data, and direct customer outreach with the built-in email tool Reach, customers are able to view complete contact data profiles and find growing companies that are more likely to be in a buying cycle for adding services/solutions. Ask about Unlimited Data!