{"slug":"postcode-api-production-up-railway-app-lookup-validate-641fac","title":"Validate a UK postcode and report its normalised form, format validity, and whet","host":"postcode-api-production.up.railway.app","method":"POST","resource":"https://postcode-api-production.up.railway.app/lookup/validate","category":"other","description":"Validate a UK postcode and report its normalised form, format validity, and whether it is currently active.","price_listed":0.001,"price_asked":0.001,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":897,"reported_calls_30d":2,"reported_payers_30d":1,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"postcode":"SW1A 1AA"},"bodyType":"json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"properties":{"postcode":{"description":"UK postcode to validate; spacing and case are normalised, e.g. 'SW1A 1AA'.","type":"string"}},"required":["postcode"],"type":"object"},"bodyType":{"enum":["json","form-data","text"],"type":"string"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"type":{"const":"http","type":"string"}},"required":["type","method","bodyType","body"],"type":"object"},"output":{"properties":{"example":{"properties":{"active":{"type":"boolean"},"input":{"type":"string"},"normalized":{"type":"string"},"type":{"description":"One of 'active', 'valid_format_inactive', or 'invalid'.","type":"string"},"valid_format":{"type":"boolean"}},"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":897,"error":null}],"description_full":"Validate a UK postcode and report its normalised form, format validity, and whether it is currently active.","last_updated":"2026-08-28T16:54:19.603Z","schemes":["exact"]}