2 ms·
They do, it's free, and their developer website is shockingly nice. https://developer.usps.com/api/18 https://developer.usps.com/api/18
by yellingdog 3y ago
They do, it's free, and their developer website is shockingly nice.
https://developer.usps.com/api/18 https://developer.usps.com/api/18
- pests 3y agoThis 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.