Multi-piece Shipments may be supported by PackageHub for carriers that make the service available. Multi-piece Shipments may be referred to as Multi-package Shipments or Multi-box Shipments. Please reference the matrix below
| Carrier | v2 | v3 |
| USPS eVS and ePostage | ❌ | ❌ |
| USPS Pitney Bowes | ❌ | ❌ |
| USPS Endicia | ❌ | ❌ |
| USPS EasyPost | ❌ | ❌ |
| DHL Express | ✗ | ✗ |
| UPS | ✅ | ✗ |
| UPS MI | ✅ | ✗ |
| FedEx | ✗ | ✗ |
| Landmark | ❌ | ❌ |
Legend
| Available in PackageHub | ✅ |
| Available by the carrier, but not in PackageHub | ✗ |
| Not available through the carrier | ❌ |