{"uid":"cap_cWAHANdJqb_IZ-qYtnO1S","slug":"us-geographic-fcc-census-block-lookup-9aabacab","name":"US Geographic FCC Census Block Lookup","description":"Public data and utility APIs paid per call in USDC on Base (x402). No accounts, no API keys. 174 routes: crypto/equity data, onchain reads, DNS/email/security intel, geo/weather, x402 payment diagnostics, dev utilities and more.","url":"https://anibalb.duckdns.org/x402/us-geo-fcc?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","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"state":{"fips":"36","name":"New York"},"county":{"fips":"36061","name":"New York County"},"block_fips":"360610031002008"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Be9nf2GenMmd_AjUSvaOx","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Looks up US state, county, and FCC census block FIPS codes for a given geographic coordinate or location input","exampleAgentPrompt":"What US state, county, and FCC census block FIPS codes correspond to the coordinates 40.7128° N, 74.0060° W?","exampleUseCases":[{"title":"Broadband coverage area classification","prompt":"I have a list of GPS coordinates from cell tower surveys — for each one, can you tell me which FCC census block it falls in, including the state and county FIPS codes?"},{"title":"Regulatory compliance geo-tagging","prompt":"We need to tag this installation at 37.7749° N, 122.4194° W with its official state, county, and census block FIPS codes for an FCC filing."},{"title":"Real estate location enrichment","prompt":"For the property at coordinates 41.8781° N, 87.6298° W, what are the official state and county names and their FIPS codes, and which census block does it fall in?"}],"resultDescription":"Returns a JSON object with the US state name and FIPS code, county name and FIPS code, and the full 15-digit FCC census block FIPS code for the queried geographic location.","failureModes":["Coordinates outside the United States return no results or an error","Missing or malformed latitude/longitude parameters cause a 400-level error","Coordinates on exact boundary edges may return unexpected county assignments","Payment failure via x402 returns a 402 response before the lookup executes"],"whenToPreferThis":"Use this endpoint when you need authoritative FCC census block and FIPS code lookups for US coordinates — especially for telecom regulatory filings, broadband mapping, census data enrichment, or any workflow requiring official US administrative boundary classification from a lat/lng point. Prefer this over general reverse-geocoding when the specific FCC block FIPS code is required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:41:39.928Z","isFirstParty":false,"canonicalSlug":"us-geographic-fcc-census-block-lookup-9aabacab"}