MailUp vs PostGrid Print Mail API comparison

MailUp is the simple and scalable solution for creating, sending and automating campaigns via Email, SMS and Messaging Apps. Founded in 2003 in Cremona, MailUp has grown over the years to become the market leader in Italy and to steadily strengthen abroad. Today, over 10,000 companies around the world rely on MailUp as a strategic partner for their digital marketing activities. MailUp is a listed company part of a group.

PostGrid print & mail API - Use fully-automated REST API to send personalized letters, checks, postcards & other printed collateral on-demand.
PostGrid is a Print and Mail API for managing the printing and mailing of all types of direct mail. Its usage is relatively easy.
Reduce Expenses, Execute Campaigns Faster, Get Better ROI, and Automate Manual Processes with PostGrid Direct Mail API. Automate Letters, Postcards, and Checks.