{"x402Version":2,"name":"Postal codes","description":"Postal / ZIP code validation by country — check a code against its ISO 3166-1 alpha-2 pattern, normalise casing and whitespace, inspect a country's pattern, or list every supported country.","version":"0.1.0","openapi":"https://postal.openverbs.com/openapi.json","resources":[{"url":"https://postal.openverbs.com/v1/validate","method":"POST","description":"Check whether a postal / ZIP code is well-formed for a country (ISO 3166-1 alpha-2). A malformed code is a successful result with `valid:false`, not an error — only an unsupported country or empty code is a 400.","tags":["validate postal code","zip code validation","postcode validator","postal code api","check country postcode","verify zip format"],"accepts":[{"scheme":"exact","network":"eip155:8453","price":"$0.002","payTo":"0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A","asset":"USDC"}]},{"url":"https://postal.openverbs.com/v1/format","method":"POST","description":"Normalise a postal code's casing and whitespace (uppercase, collapse runs of spaces) and report whether the normalised form is valid for the country.","tags":["normalize postal code","format zip code","postcode normalization","postal code cleanup","uppercase postal code","standardize address code"],"accepts":[{"scheme":"exact","network":"eip155:8453","price":"$0.002","payTo":"0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A","asset":"USDC"}]},{"url":"https://postal.openverbs.com/v1/spec","method":"POST","description":"Return the validation regular expression (source and flags) used for a country's postal codes.","tags":["postal code regex","country postcode pattern","zip code pattern lookup","postal validation regex","postal format rules","postcode spec api"],"accepts":[{"scheme":"exact","network":"eip155:8453","price":"$0.002","payTo":"0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A","asset":"USDC"}]},{"url":"https://postal.openverbs.com/v1/countries","method":"POST","description":"List every ISO 3166-1 alpha-2 country code for which a postal-code pattern is available.","tags":["supported postal countries","list postcode countries","postal country codes","zip validation coverage","postal code country list","countries with postcodes"],"accepts":[{"scheme":"exact","network":"eip155:8453","price":"$0.002","payTo":"0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A","asset":"USDC"}]}]}