Service provides web-hosted, real-time address validation. CASS-certified protocols parse, look up, correct, and standardize addresses in the United States based on updated USPS ZIP + 4, DPV and LACSLink data. Validation allows single or batch submissions, with adjustment for case in names (all caps, all lower case, etc.).
Methods support simple address encoding or complex encoding with options to standardize, adjust case, or look up carrier route, county code, congressional district, and more.
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So far, we don't have a record of any changes to this API