{"protocolVersion":"0.3.0","name":"Cook County (Chicago) property records API","description":"Pay-per-call property-records API for Cook County, Illinois — including the City of Chicago. Look up any property by street ADDRESS or 14-digit PIN and get parcel details, recorded sales & deed history, building permits, and property-tax assessment history, joined and normalized into one answer. Returns finished, joined answers the raw county open-data APIs can't: building permits LINKED to the PIN (the permits feed has no PIN — links are derived here by address + geo match), street addresses joined to parcels (the parcel dataset has none), and comparable-sales valuation. You get the answer, not rows to query, stitch, and derive yourself. Use for real-estate due diligence, automated valuation / comparable-sales (comps), title and lien research prep, lead enrichment, and market analysis. ~1.9M parcels, refreshed nightly, property-keyed (public records only — no personal data). No signup and no API key. Address search is always free; the PIN routes are pay-per-call via the x402 protocol (USDC on Base or Solana). No API key and NO WALLET NEEDED to start: address search is always free and the first 25 calls per client per day return real data free; x402 (USDC on Base/Solana) covers anything beyond that.","author":"independent","wellKnownURI":"https://api.ingest0r.com/.well-known/agent-card.json","url":"https://api.ingest0r.com/","version":"0.4.2","provider":{"organization":"independent","url":"https://api.ingest0r.com/"},"documentationUrl":"https://api.ingest0r.com/llms.txt","iconUrl":null,"supportsAuthenticatedExtendedCard":null,"security":[],"securitySchemes":{},"capabilities":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false,"extensions":[{"uri":"https://x402.org/extensions/payments","params":{"prices":{"/v1/comps":"100000","/v1/parcel":"10000","/v1/search":"0","/v1/dossier":"30000"},"accepts":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0x98D530C0667A4B18e692F182DdCAb1c2bECb5B9B","scheme":"exact","network":"eip155:8453","currency":"USDC"},{"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","payTo":"G3qr8ahZnuFSYjvrCYM4LLDdoLzFq8Boq9XrURVcA9YF","scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","currency":"USDC"}],"currency":"USDC","protocol":"x402","x402Version":2},"required":false,"description":"Pay-per-call via x402 (HTTP 402 + USDC). Applies ONLY past the free daily allowance of 25 calls per client; address search, the sample and the live example PINs never need payment."}]},"defaultInputModes":["application/json"],"defaultOutputModes":["application/json"],"skills":[{"id":"v1_sample","name":"sample","description":"FREE fixed example of every paid response shape — evaluate the data structure and quality for $0 before paying. Not a live record; see also the free live example PINs in the manifest.","tags":["free","sample","evaluation","real-estate","property-data","cook-county"],"examples":[],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"v1_search","name":"search","description":"Address → PIN lookup for Cook County / Chicago. Resolve a full or partial STREET ADDRESS to its parcel PIN(s): ranked candidate parcels with address, city, ZIP, a match score and a match_quality flag (exact | likely | weak | none) — resolving the address-to-parcel gap (the raw parcel dataset has no address). The entry point when you have an address but not a PIN — call this before /v1/dossier, /v1/parcel, or /v1/comps. Public assessor records. FREE — no payment required (the PIN routes are pay-per-call).","tags":["real-estate","property-data","cook-county","public-records"],"examples":[],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"v1_parcel","name":"parcel","description":"Single Cook County, IL parcel record by PIN: street address, city, ZIP, assessor property class, township, neighborhood, ward/municipality, census tract, school districts, walkability and airport-noise context, and lat/lon — with the street address joined in (the raw parcel dataset has none). The cheap single-property lookup. Source: Cook County Assessor, refreshed nightly. FREE for your first 25 calls per client per day (no wallet needed); $0.01 per call past that allowance.","tags":["real-estate","property-data","cook-county","public-records"],"examples":[],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"v1_dossier","name":"dossier","description":"Complete Cook County / Chicago property record in one call: parcel basics PLUS recorded sales & deed history, building permits, and property-tax assessment history, joined and normalized, with neighborhood/ward/school/walkability context. Permits are LINKED to the PIN (the raw permit feed has none) — one finished record, not raw rows to stitch. For due diligence, valuation, underwriting. Nightly-fresh; no personal data. FREE for your first 25 calls per client per day (no wallet needed); $0.03 per call past that allowance.","tags":["real-estate","property-data","cook-county","public-records"],"examples":[],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"v1_comps","name":"comps","description":"Comparable sales (comps) and a lightweight automated valuation for a Cook County / Chicago property: recent arm's-length sales in the same assessor neighborhood and property class over the last 18 months, with an implied low/median/high price range, each comp carrying its distance in metres from the subject. Thin markets widen automatically (36 months, then the property-class group) and the response reports which rung was used. Non-arm's-length and multi-parcel deeds are filtered out — a derived valuation you won't get from a raw open-data query. For valuation, underwriting, investment screening, and due diligence. FREE for your first 25 calls per client per day (no wallet needed); $0.10 per call past that allowance.","tags":["real-estate","property-data","cook-county","public-records"],"examples":[],"inputModes":["application/json"],"outputModes":["application/json"]}],"conformance":true,"conformance_errors":null,"homepage":null,"repository":null,"license":null,"pricing":null,"contact":null,"id":"30c0e732-2609-42e3-b61a-8d361d022fc9","created_at":"2026-07-12T19:01:21.774452Z","updated_at":"2026-10-13T00:13:18.462586Z","hidden":false,"flag_count":0,"maintainer_notes":"Agent does not implement the `message/send` JSON-RPC method. Add support for this method per the A2A spec.","category":"data-analytics","category_secondary":"real-world-services","uptime_percentage":100.0,"avg_response_time_ms":1592,"last_health_check":"2026-10-13T00:13:18.448175Z","is_healthy":true,"status_notes":["Returning errors when contacted by users (Agent returned an unexpected error)"],"task_conformance":{"category":"METHOD","passed":false,"checked_at":"2026-10-12T07:07:14.956800Z","response_ms":501}}