U.S. Shipping
To earn additional rewards for shipping, the purchase must be made in the U.S. for courier, postal, and freight shipping services.
Examples of merchants that accept the Card and where you can earn additional rewards include:
• FedEx
• UPS
• United States Postal Service
*This is not a complete list.
You will NOT earn additional rewards on shipping costs added to retail purchases (e.g. online or catalog purchases).
You will also NOT earn additional rewards for moving services, local trucking, and trash removal.
https://www.americanexpress.com/us/c.../business.html