Creates a new saved address for a user account. Saves address information including location details, contact information, and address category for reuse in future shipments.

When to use this endpoint:

Saving frequently used addresses for quick selection
Creating address templates for recurring shipments
Building address management systems that store user addresses
Enabling users to save shipping and billing addresses

What else should you know?

Saved addresses can be reused across multiple shipments
Include complete address information including country, state, city, and postal code
Use address categories to organize addresses (origin, destination, billing, etc.)