{"uid":"cap_HjAx_wtEd1AlBt4a6vGyi","slug":"polyform-vehicle-deal-check-6a331169","name":"Polyform Vehicle Deal Check","description":"Given vin, asking price and miles: decoded specs, open recall count, fuel-cost estimate, and a buy/caution/walk verdict with reasoning. All public federal data.","url":"https://polyform.polyform-org.workers.dev/v1/vehicle/deal-check","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":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.25","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":"$0.25/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_hWyDihjaLOpNMGC4VQzYe","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.25","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Given a VIN, asking price, and mileage, returns decoded vehicle specs, open recall count, fuel-cost estimate, and a buy/caution/walk verdict with reasoning using public federal data.","exampleAgentPrompt":"Can you check if this used car is a good deal? The VIN is 1HGCM82633A004352, they're asking $14,500, and it has 87,000 miles on it — give me the specs, any open recalls, and whether I should buy it or walk away.","exampleUseCases":[{"title":"Pre-purchase used car evaluation","prompt":"I'm looking at a 2018 Honda Accord with VIN 1HGCV1F34JA012345, the dealer wants $19,800 and it has 62,000 miles. Can you check the specs, any open recalls, and tell me if it's a buy, caution, or walk?"},{"title":"Recall safety check before buying","prompt":"Before I finalize this car purchase, can you check VIN 5TFBW5F13AX123456 — asking price is $22,000 and it has 95,000 miles — how many safety recalls are open and should I be worried?"},{"title":"Budget car deal screening","prompt":"I found a cheap car online, VIN 2T1BURHE0JC123456, listed at $8,500 with 110,000 miles. Run a deal check and let me know the fuel costs and whether it's worth pursuing."}],"resultDescription":"Returns decoded vehicle specifications (make, model, year, trim, engine, etc.), count of open NHTSA safety recalls, EPA-based annual fuel cost estimate, and a structured verdict (buy / caution / walk) with human-readable reasoning based on price, mileage, recalls, and fuel costs.","failureModes":["Invalid or non-US-market VIN returns a decode error","VIN not found in NHTSA database returns no specs","Missing required parameters (vin, asking price, or miles) returns a 400-style error","Upstream federal API outage may cause timeout or empty recall/fuel data","Non-numeric asking price or mileage values may cause parsing failures"],"whenToPreferThis":"Choose this endpoint when a user wants a holistic go/no-go assessment of a specific used vehicle listing, not just raw VIN data or recall lookup in isolation. It combines NHTSA decode, recall count, and EPA fuel cost into a single actionable verdict — ideal for pre-purchase screening. Prefer this over individual NHTSA or EPA endpoints when you need a synthesized recommendation rather than raw data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:48:02.221Z","isFirstParty":false}