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How did you arrive at #1? We used USPS's api for a year before switching to SmartyStreets, and there's no way their api is powered by USPS's buggy api.
by plusbryan 13y ago
How did you arrive at #1? We used USPS's api for a year before switching to SmartyStreets, and there's no way their api is powered by USPS's buggy api.