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by Jonathan Yergin - 1 month ago (2018-12-14)
I would like to use PHP to validate US postal addresses by connecting to the USPS API
1. by Jonathan Yergin - 10 days ago (2019-01-07) Reply
This solution uses the streetlayer API. I am interested in something that uses the USPS API directly.
This API will validate any address worldwide through the various postal services, including the US Postal Service for US addresses. The free account through the api provider offers quite a bit, or there are premium options if you more power.