{"uid":"cap_0WxxUFbmnawTX-hNefTUp","slug":"uk-postcode-address-lookup-206406a6","name":"UK Postcode Address Lookup","description":"UK postcode lookup, search, validation and autocomplete with x402 payments.","url":"https://postcode.payapi.market/lookup/address?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"limit":{"type":"integer","maximum":100,"minimum":1,"description":"Maximum number of matching postcodes to return (1-100, default 10)."},"query":{"type":"string","description":"Free-text address or place query to match against UK postcodes."}}},"responseSchema":{"type":"json","example":{"count":1,"query":"Buckingham Palace","results":[{"ccg":"NHS North West London","lsoa":"Westminster 018C","msoa":"Westminster 018","nuts":"Westminster","codes":{"admin_ward":"E05013806","admin_district":"E09000033"},"incode":"1AA","parish":"Westminster, unparished area","region":"London","country":"England","outcode":"SW1A","quality":1,"latitude":51.501009,"postcode":"SW1A 1AA","longitude":-0.141588,"admin_ward":"St James's","admin_county":null,"admin_district":"Westminster","primary_care_trust":"Westminster","date_of_introduction":"198001","european_electoral_region":"London","parliamentary_constituency":"Cities of London and Westminster"}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_eGTkrhtZWS8_P2DZPJ7bh","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Searches UK postcodes by free-text address or place query, returning full postcode metadata including coordinates, administrative regions, and constituency data.","exampleAgentPrompt":"What's the postcode for Buckingham Palace, and can you give me up to 5 results with their coordinates and administrative details?","exampleUseCases":[{"title":"Geocoding a UK delivery address","prompt":"I need the full postcode and coordinates for '10 Downing Street London' — can you look it up and return the lat/long and administrative district?"},{"title":"Finding constituency for voter outreach","prompt":"Which parliamentary constituency does the address near 'Old Trafford Manchester' fall under? Look up the postcode and return the constituency name."},{"title":"Enriching NHS service data","prompt":"Can you find the NHS CCG and LSOA code for the area around 'Royal Infirmary Edinburgh'? Return up to 3 matching postcodes."}],"resultDescription":"Returns a JSON object with a count of results and an array of postcode records, each containing the full postcode, incode/outcode, latitude, longitude, region, country, admin district, admin ward, parish, parliamentary constituency, CCG, LSOA, MSOA, NUTS area, European electoral region, and ONS codes for administrative units.","failureModes":["No matching postcodes found for vague or misspelled query — returns empty results array with count 0","Query too broad returns up to the requested limit but may miss the intended postcode","Non-UK addresses return no results","Payment failure via x402 protocol prevents call from completing","Limit parameter out of range (below 1 or above 100) causes validation error"],"whenToPreferThis":"Choose this endpoint when you need to resolve a free-text UK address or place name into structured postcode metadata, especially when you also need administrative boundary data (ward, district, constituency, NHS CCG) or precise coordinates. Prefer it over a simple postcode validator when the input is a place name rather than a known postcode string, and when enrichment with geographic and administrative codes is required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T19:04:13.738Z","isFirstParty":false,"canonicalSlug":"uk-postcode-address-lookup-206406a6"}