Lob - A simple API to integrate print & mail solutions into your applications.
SmartFocus - SmartFocus empowers you to deliver omnichannel marketing campaigns with true personalization.
PostGrid - Transform your Offline Communications. Use our fully-documented REST API to send personalized letters, checks, postcards and improve address accuracy.
AdCurve - AdCurve is an online campaign management platform for retailers.
AmazingMail - Business print-mail solution
Powermailer - Bulk Email Marketing Service in India by PowerMailer helps you to design email newsletters, Schedule your Email Campaigns, Track Email Campaigns