Re:USPS In-Person Identity Proofing
by yellingdog on Friday September 22, 2023 @12:23AM
(#37607837)
They do, it's free, and their developer website is shockingly nice.
https://developer.usps.com/api/18
This works wonderful until the site tries to force the suggestion on you and your address is somehow wonky in the system like not existing at all or under a wrong or mis-ordered apartment number.
[0] https://tools.usps.com/zip-code-lookup.htm?byaddress