Endai | 1,254 followers on LinkedIn. Endai is a strategic digital marketing company that provides interactive online marketing and advertising services, email marketing solutions, with campaign strategy and consulting to help businesses attract and retain new customers. Endai is headquartered in New York City since 1999. Endai specializes in all aspects of online marketing and internet advertising including email marketing, paid search, organic search, customer intelligence, database marketing, customer acquisition, and web analytics.