aid: us-zipcode name: US ZipCode description: "Validate and append data for any US ZipCode" url: https://www.smarty.com/docs/cloud/us-zipcode-api specificationVersion: '0.20' created: '2026-05-28' modified: '2026-05-28' x-source: public-apis/public-apis x-category: "Geocoding" x-tier: 3 x-tier-reason: bulk-registered-from-public-apis tags: - Geocoding - Public APIs apis: - name: US ZipCode description: "Validate and append data for any US ZipCode" humanURL: https://www.smarty.com/docs/cloud/us-zipcode-api baseURL: https://www.smarty.com/docs/cloud/us-zipcode-api tags: - Geocoding properties: - type: Documentation url: https://www.smarty.com/docs/cloud/us-zipcode-api common: - type: Website url: https://www.smarty.com/docs/cloud/us-zipcode-api - type: PublicAPIsListing url: https://github.com/public-apis/public-apis maintainers: - FN: Kin Lane email: kin@apievangelist.com