AddressZen vs USPS Addresses API
| AddressZen | USPS Addresses API | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | Yes | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | api, extension, Web | — |
| Free plan | No | No |
| API access | Yes | Yes |
| Batch validation | Yes | — |
| Address correction | Yes | Yes |
| Address standardization | Yes | Yes |
| Address autocomplete | Yes | — |
| International coverage | global | local |
Both are listed in Best Address Verification Software. On The Geeks Club, AddressZen scores higher on our published basis.