{"uid":"cap_IC09F8DVj9xM0GtrvtPZ9","slug":"clink-forge-fmr-area-lookup-2dc60d21","name":"Clink Forge FMR Area Lookup","description":"Pay per call over x402. USDC on Base, no account, no API key. 28 government-sourced data products at $0.001–$0.05 per call, every response signed and provenance-chained.","url":"https://api.clinkforge.com/v1/p/fmr-area-lookup","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"type":"object","properties":{"type":{"const":"http"},"method":{"const":"GET"},"queryParams":{"type":"object","required":["id"],"properties":{"id":{"type":"string","maxLength":40}},"additionalProperties":false}}},"output":{"type":"object"}}},"responseSchema":{"type":"json","example":{"data":[{"field":"value","_record_id":"R-100"}],"product":"example-product","row_count":1,"provenance":[{"hash":"sha256...","authority":"AGENCY","source_url":"https://agency.gov/data","observed_at":"2026-08-25T00:00:00Z"}],"attestation":{"signature":"base64...","result_digest":"sha256...","signing_key_id":"forge-signing-1"},"payment_receipt":{"amount_usd":0.01,"settlement_ref":"0xtx..."},"product_version":1},"description":"data rows + provenance chain + attestation"},"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_dk1IO-HpOcAk3Of-2xGYe","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":"Looks up Fair Market Rent (FMR) area data from government sources, returning signed, provenance-chained rows with cryptographic attestation, paid per call via x402/USDC.","exampleAgentPrompt":"Look up the Fair Market Rent area data for area ID 'METRO47900M47900' — I need the government-sourced record with full provenance and signature so I can verify it.","exampleUseCases":[{"title":"Verify rental compliance for a property","prompt":"I need to check the Fair Market Rent area classification for area ID 'METRO35380M35380' — pull the official HUD record with its cryptographic provenance so I can use it in a compliance report."},{"title":"Enrich housing dataset with FMR area info","prompt":"For area ID 'RURAL0100199999', fetch the FMR area data from Clink Forge — I need the signed government record I can attach to our housing database entry as a verified source."},{"title":"Audit government rent data integrity","prompt":"Get me the FMR area lookup for ID 'METRO12060M12060' and show me the attestation signature and source URL so I can confirm the data hasn't been tampered with."}],"resultDescription":"Returns a JSON object containing data rows with field-value payloads and record IDs, product metadata (slug and version), a provenance block (license ID, source URL, observed timestamp), a cryptographic attestation (Ed25519 signature), and a payment receipt with settlement reference — enabling downstream verification of data authenticity and government origin.","failureModes":["Missing or invalid 'id' query parameter returns a 400 or validation error","Payment not settled or insufficient USDC balance triggers a 402 Payment Required response","Unknown area ID returns empty rows or a 404-equivalent not-found response","Signature verification failure if attestation fields are malformed","Network or upstream government data source unavailability causes 503 errors"],"whenToPreferThis":"Choose this endpoint when you need government-sourced Fair Market Rent area data with cryptographic provenance and auditability — especially in compliance, legal, or financial contexts where data integrity must be verifiable. Prefer it over unauthenticated or unattributed housing data APIs when you need an Ed25519-signed, license-tagged record traceable back to a government source URL. It requires no account or API key and costs $0.01 USDC per call, making it ideal for lightweight, pay-as-you-go agent workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:43:55.614Z","isFirstParty":false}