{"uid":"cap_UU6lsJHbT1TRcQ_C3SFfb","slug":"dutch-postcode-lookup-api-cbs-open-data-proxy-97969e40","name":"Dutch Postcode Lookup API (CBS Open Data Proxy)","description":"Pay $0.01 USDC per call to validate IBANs, EU VAT numbers and Dutch postcodes, and to query CBS housing, company, domain and EU sanctions data on Base Mainnet.","url":"https://cbs.thesoulnetwork.eu/postcode?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["code","number"],"properties":{"code":{"type":"string"},"number":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{}}}}},"responseSchema":{"type":"json","example":{"city":"Amsterdam","input":"1012AB","valid":true,"street":"Stadhouderskade","lat_lon":"52.3633,4.8823","province":"Noord-Holland","houseNumber":"1","municipality":"Amsterdam"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_bCN6UxrrkaGiq3J4QB0xq","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Resolves a Dutch postcode and house number to full address details including street, city, municipality, province, and coordinates.","exampleAgentPrompt":"Can you look up the address details for Dutch postcode 1012AB, house number 1? I need the street, city, municipality, province, and coordinates.","exampleUseCases":[{"title":"E-commerce address autocomplete","prompt":"A customer entered postcode 2511BG and house number 35 at checkout — can you fill in the street, city, and province for me automatically?"},{"title":"Delivery route geocoding","prompt":"I need the GPS coordinates and municipality for postcode 3014GE, house number 12 in the Netherlands so I can plot it on a delivery map."},{"title":"Form validation for Dutch addresses","prompt":"Check whether the Dutch postcode 9999ZZ with house number 1 is a real, valid address and tell me what city and province it belongs to."}],"resultDescription":"A JSON object containing: whether the postcode is valid, the resolved street name, city, municipality, province, house number, and lat/lon coordinates. Example: {city: 'Amsterdam', street: 'Stadhouderskade', province: 'Noord-Holland', municipality: 'Amsterdam', lat_lon: '52.3633,4.8823', valid: true}.","failureModes":["Invalid or non-existent postcode returns valid: false or empty fields","Missing required query parameters (code or number) returns a 400-level error","Payment failure over x402 protocol prevents the call from completing","Postcode format incorrect (not Dutch 4-digit + 2-letter format) may return no results"],"whenToPreferThis":"Choose this endpoint when you need to resolve or validate Dutch (Netherlands) postcodes to full address data including geocoordinates, municipality, and province. It is pay-per-call at $0.01 USDC via x402 on Base Mainnet, making it ideal for low-volume or on-demand lookups without a subscription. Prefer this over generic geocoding APIs when you specifically need Dutch CBS-sourced address data with municipality and province breakdown.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T00:33:15.458Z","isFirstParty":false,"canonicalSlug":"dutch-postcode-lookup-api-cbs-open-data-proxy-97969e40"}