Printful for Messenger - Create and sell print-on-demand merchandise with Messenger
Clearbit - Clearbit provides Business Intelligence APIs
ThreadMeUp - The Custom Apparel Platform
ZoomInfo - ZoomInfo is a B2B database providing detailed business information on people and companies.
Eaze - Uber for medical marijuana
InsideView - InsideView aggregates and curates all the company and contact data, news and social insights, and professional connections you need to do business better.