{"uid":"cap_MeKQOFXh-IGXRGlhg8uxI","slug":"polyform-real-estate-underwrite-api-94c9eb58","name":"Polyform Real Estate Underwrite API","description":"Pay-per-call data endpoints for AI agents. USDC on Base via x402. No account, no API key — one micropayment per call.","url":"https://api.polyform.org/v1/realestate/underwrite?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"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"posture":"STANDARD"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.4","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":"$0.4/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.4","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.4","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ZLIxctqGZOtHlMmEcWC_4","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.4","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a risk posture assessment for real estate underwriting decisions, payable per-call in USDC via x402 micropayment","exampleAgentPrompt":"Run an underwriting posture check on this property deal using Polyform — just pay the micropayment and give me back the risk posture result.","exampleUseCases":[{"title":"Quick deal risk screen for investor","prompt":"Can you run an underwriting posture check on this property before I proceed? I don't want to set up an account anywhere — just get me the risk classification instantly."},{"title":"Automated pipeline underwriting gate","prompt":"For each property deal coming through our pipeline, call the Polyform underwriting endpoint and tell me which ones come back as anything other than STANDARD posture so I can flag them for review."},{"title":"Single property pre-qualification check","prompt":"I'm about to make an offer on a property — can you run a quick underwriting assessment via Polyform and tell me what risk posture it returns before I commit?"}],"resultDescription":"Returns a JSON object containing a posture field (e.g. 'STANDARD') representing the underwriting risk classification for the queried real estate subject. The posture value categorizes the deal's risk profile as assessed by Polyform's model.","failureModes":["Payment not received or insufficient USDC — returns 402 Payment Required","Missing required 'type' or 'method' fields in input — returns 400 Bad Request","Property or query parameters not recognized — may return empty or default posture","Network or service unavailability — returns 5xx error","Malformed GET request — returns 400 or 422"],"whenToPreferThis":"Choose this endpoint when you need a fast, no-account, no-API-key underwriting posture signal for a real estate asset and are willing to pay $0.40 USDC per call via x402 micropayment on Base. Ideal for AI agents that need on-demand, per-call access without subscription overhead, or for pipelines that want to gate deals programmatically based on a risk posture label.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T12:34:57.141Z","isFirstParty":false,"canonicalSlug":"polyform-real-estate-underwrite-api-94c9eb58"}