

Wouldn’t be allowed through the USPS APIs directly. These vendors (like Smarty) are permitted to use and enhance the USPS address data for broader use cases that To jump through all the hoops and abide by their strict agreements in order to become CASS Certified vendors. The USPS database data is also accessible through third party providers that are willing But, they do give access for anyone to check an address against their data through the official USPSĪddress APIs and web forms. Sure, the USPS address database is a thing of beauty, but the Postal Service won’t hand their data out to Points such as county, delivery point code, and vacancy status are available on each delivery point. The database contains business, residential, and post office box delivery points. The United States Postal Service maintains a database of 160 million mailing addresses in the United States that Is the USPS API free? Are there limitations?.Each API also limits you to five lookups per request at a time. Normalization, ZIP+4 appending, and more.

#Usps webtools software#
Address validation APIs efficiently integrate with websites, databases, CRMsĪnd other software to enhance address data quality. US address validation APIs normalize addresses (API) that verifies postal information automatically.

#Usps webtools verification#
To data on over 160 million US postal delivery points as well as ZIP Code and city information.Īn Address Validation API or verification API is an application programming interface The USPS address validation API gives software developers access Provided by the United States Postal Service. The USPS API is actually a collection of public address validation API and address lookup APIs
