{ "openapi": "3.0.1", "info": { "title": "Cook County Parcel Owners - Names & Mailing Addresses", "description": "Cook County Assessor parcel address file (public open data, 1.86M parcels per roll, 1999-2026): the owner of record AND the taxpayer of record, each with its full mailing address - they differ on 32.9% of parcels. Search by owner, taxpayer, city, ZIP or mailing state; find absentee owners.", "version": "0.0", "x-build-id": "AckHa8AeDBHl9PWp7" }, "servers": [ { "url": "https://api.apify.com/v2" } ], "paths": { "/acts/j0401~cook-parcel-owners/run-sync-get-dataset-items": { "post": { "operationId": "run-sync-get-dataset-items-j0401-cook-parcel-owners", "x-openai-isConsequential": false, "summary": "Executes an Actor, waits for its completion, and returns Actor's dataset items in response.", "tags": [ "Run Actor" ], "requestBody": { "required": true, "content": { "application/json": { "schema": { "$ref": "#/components/schemas/inputSchema" } } } }, "parameters": [ { "name": "token", "in": "query", "required": true, "schema": { "type": "string" }, "description": "Enter your Apify token here" } ], "responses": { "200": { "description": "OK" } } } }, "/acts/j0401~cook-parcel-owners/runs": { "post": { "operationId": "runs-sync-j0401-cook-parcel-owners", "x-openai-isConsequential": false, "summary": "Executes an Actor and returns information about the initiated run in response.", "tags": [ "Run Actor" ], "requestBody": { "required": true, "content": { "application/json": { "schema": { "$ref": "#/components/schemas/inputSchema" } } } }, "parameters": [ { "name": "token", "in": "query", "required": true, "schema": { "type": "string" }, "description": "Enter your Apify token here" } ], "responses": { "200": { "description": "OK", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/runsResponseSchema" } } } } } } }, "/acts/j0401~cook-parcel-owners/run-sync": { "post": { "operationId": "run-sync-j0401-cook-parcel-owners", "x-openai-isConsequential": false, "summary": "Executes an Actor, waits for completion, and returns the OUTPUT from Key-value store in response.", "tags": [ "Run Actor" ], "requestBody": { "required": true, "content": { "application/json": { "schema": { "$ref": "#/components/schemas/inputSchema" } } } }, "parameters": [ { "name": "token", "in": "query", "required": true, "schema": { "type": "string" }, "description": "Enter your Apify token here" } ], "responses": { "200": { "description": "OK" } } } } }, "components": { "schemas": { "inputSchema": { "type": "object", "properties": { "mode": { "title": "Mode", "enum": [ "rows", "aggregate" ], "type": "string", "description": "rows = parcels matching your filters (default). aggregate = one count row per group (see groupBy).", "default": "rows" }, "owner": { "title": "Owner of record", "type": "string", "description": "Owner-of-record name substring. Distinct from the taxpayer - see the taxpayer input. Blank = any.", "default": "" }, "taxpayer": { "title": "Taxpayer of record", "type": "string", "description": "Taxpayer-of-record name substring - the party the assessment notice is mailed to, which is often a mortgage servicer, trust or estate rather than the owner. This is how you find parcels held by a bank or trust. Blank = any.", "default": "" }, "pin": { "title": "PIN", "type": "string", "description": "Exact 14-digit parcel index number, e.g. '24091100230000'. Blank = any.", "default": "" }, "pin10": { "title": "PIN (10-digit)", "type": "string", "description": "Exact 10-digit PIN form of the same parcel, e.g. '2409110023'. Blank = any.", "default": "" }, "city": { "title": "Property city", "type": "string", "description": "Situs (property) city substring, e.g. 'CHICAGO' (883,473), 'EVANSTON'. Blank = any.", "default": "" }, "zip": { "title": "Property ZIP", "type": "string", "description": "Situs ZIP prefix - '60010' matches 60010 and 60010-1234. Blank = any.", "default": "" }, "mailCity": { "title": "Taxpayer mailing city", "type": "string", "description": "Taxpayer mailing city substring - use with mailState to find owners who receive mail elsewhere. Blank = any.", "default": "" }, "mailState": { "title": "Taxpayer mailing state", "type": "string", "description": "Two-letter taxpayer mailing state, e.g. 'IL', 'FL', 'TX'. Set a state other than IL to surface absentee owners and out-of-state lienholders. Blank = any.", "default": "" }, "year": { "title": "Tax year", "type": "string", "description": "Roll year between 1999 and 2026. Blank = the newest roll (the 28-year stack is not scanned unless you ask for it).", "default": "" }, "groupBy": { "title": "Aggregate by", "enum": [ "city", "zip", "taxYear", "taxpayerState" ], "type": "string", "description": "Which dimension to aggregate over. city = situs city (~241 values); zip = situs ZIP; taxYear = the whole 28-year stack; taxpayerState = where the mail goes.", "default": "city" }, "maxResults": { "title": "Max records", "minimum": 0, "type": "integer", "description": "Cap the number of records pushed in rows mode (0 = up to ~10k per run; each record is metered individually, so there is no per-run charge cap). 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