Companies that have signed up as full/limited service licensees to this API may be able to sell you access indirectly through their own API offering. They may b

Companies that have signed up as full/limited service licensees to this API may be able to sell you access indirectly through their own API offering. They may be able to offer cheaper pricing if they spread the cost of the USPS fee across multiple customers. Lists of licensees with contact details are visible on the USPS site: https://postalpro.usps.com/ncoalink/Full_Service_Provider_Licensees https://postalpro.usps.com/ncoalink/Full_Service_Provider_Li... https://postalpro.usps.com/ncoalink/Limited_Service_Provider_Licensees https://postalpro.usps.com/ncoalink/Limited_Service_Provider...