{"uid":"cap_NCgi0MYEsRrpKiMPxddl2","slug":"cook-county-property-comparables-lookup-by-pin-a2a44cb6","name":"Cook County Property Comparables Lookup by PIN","description":"","url":"https://api.ingest0r.com/v1/comps/:pin","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"},"pathParams":{"type":"object","required":["pin"],"properties":{"pin":{"type":"string","description":"14-digit Cook County PIN (digits or dashed). Use /v1/search first if you only have a street address."}}},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"pin":{"type":"string"},"comps":{"type":"array","items":{"type":"object","properties":{"pin":{"type":"string"},"deed_type":{"type":"string"},"sale_date":{"type":"string"},"sale_price":{"type":"number"},"prop_address":{"type":"string"}}}},"implied_range":{"type":"object","properties":{"n":{"type":"integer"},"low":{"type":"number"},"high":{"type":"number"},"median":{"type":"number"}}}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_bsug9HptHfyKGZp4UEClz","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns comparable sales (comps) for a Cook County, Illinois property identified by its 14-digit PIN","exampleAgentPrompt":"Pull the comparable sales comps for Cook County PIN 14-32-101-012-0000 — I want to see what similar properties have sold for in that area.","exampleUseCases":[{"title":"Real estate investment property valuation","prompt":"I'm evaluating a potential investment property in Chicago. Can you pull the comparable sales for PIN 14-28-205-018-0000 so I can see what similar properties in that neighborhood have been selling for lately?"},{"title":"Property tax assessment appeal prep","prompt":"I got my property tax assessment notice and think it's too high. Can you grab the comps for my Cook County property PIN 13-16-402-031-0000 so I have solid comparable sales data to support my appeal?"},{"title":"Residential real estate listing analysis","prompt":"I'm listing a home in Cook County and need to price it competitively. Pull the comparable sales for PIN 14-19-314-007-0000 so I can see what other similar properties have recently sold for in the area."}],"resultDescription":"A list of comparable property sales (comps) associated with the specified Cook County parcel, including sale prices, property details, and assessment-relevant data used to benchmark the subject property's value.","failureModes":["Invalid or malformed PIN (not 14 digits) returns an error — use /v1/search first if you only have a street address","PIN not found in Cook County records returns a not-found response","Payment failure (insufficient USDC balance or x402 protocol error) blocks the request","PIN for a property outside Cook County will not return results"],"whenToPreferThis":"Use this endpoint when you already have a 14-digit Cook County PIN and need comparable sales data for property valuation, assessment appeals, real estate research, or due diligence on a specific Chicago or Cook County parcel. If you only have a street address, use the /v1/search sibling endpoint first to obtain the PIN.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:36:02.469Z","isFirstParty":false}