{"slug":"data-greeneris-io-v1-geo-postal-6ad5d5","title":"Postal code resolution for ~60 countries via Zippopotam.us (GeoNames data, CC BY","host":"data.greeneris.io","method":"GET","resource":"https://data.greeneris.io/v1/geo/postal","category":"code","description":"Postal code resolution for ~60 countries via Zippopotam.us (GeoNames data, CC BY 4.0). Forward: ?country=us&code=90210 -> place names, state, lat/lon. Reverse: ?country=us&state=ca&city=beverly hills -> matching postal codes with coordinates. Unknown codes return found=false (an explicit validation ","price_listed":0.001,"price_asked":0.001,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":910,"reported_calls_30d":2,"reported_payers_30d":2,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"code":"90210","country":"us"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"properties":{"city":{"description":"City name (reverse mode, with state)","type":"string"},"code":{"description":"Postal code to resolve (forward mode)","type":"string"},"country":{"description":"2-letter ISO country code, e.g. us, fr, de","type":"string"},"state":{"description":"State/region name or code (reverse mode, with city)","type":"string"}},"required":["country"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-09-24","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.001,"price_match":true,"latency_ms":910,"error":null}],"description_full":"Postal code resolution for ~60 countries via Zippopotam.us (GeoNames data, CC BY 4.0). Forward: ?country=us&code=90210 -> place names, state, lat/lon. Reverse: ?country=us&state=ca&city=beverly hills -> matching postal codes with coordinates. Unknown codes return found=false (an explicit validation verdict). Cached 30 days.","last_updated":"2026-08-27T15:14:43.103Z","schemes":["exact"]}