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Cook County, IL (datacatalog.cookcountyil.gov)

Cook County (Illinois, the 2nd most populous U.S. county, the Chicago metro) publishes its bid openings on its open-data portal (Socrata API, no key), the "Procurement - Bid Tabulations" dataset. Connector wired in production (tested 2026-06-26, via the generic Socrata engine): object (contract title), buyer department, procedure type, amount and bid-opening date, normalised to the unified schema. These are recent results (downstream), local classification (not CPV) → CPV left empty by design.

Standard : API Socrata open data (JSON, sans clé) · Licence : Cook County Open Data · réutilisation libre (domaine public local) · open access
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Contracts68 contracts

PRINTING & MAILING PRE-ELECTION VOTER ID CARDS/PRINTING BALLOT SIGNATURE BOOK

Buyer : COUNTY CLERK United States

POLYGRAPH TESTING SERVICES

Buyer : OFFICE OF THE SHERIFF United States

MAINTENANCE & DECONTAMINATION FOR MAYWOOD FIRING RANGE

Buyer : OFFICE OF THE SHERIFF United States

BUS & TRUCK REPAIR AREA S NORTH & SOUTH

Buyer : OFFICE OF THE SHERIFF United States

PAINT SUPPLIES

Buyer : DEPARTMENT OF FACILITIES MANAGEMENT United States

VARIOUS PLUMBING MFG SUPPLIES

Buyer : DEPARTMENT OF FACILITIES MANAGEMENT United States

COUNTYWIDE BOTTLED DRINKING WATER

Buyer : COUNTYWIDE United States

BRIDGE REHABILITATION NORTH-01

Buyer : COUNTY HIGHWAY United States

INDIVIDUALS IN CUSTODY (IIC) SHOES

Buyer : OFFICE OF THE SHERIFF United States

MAINTENANCE & REPAIR OF LAWN AND SNOW REMOVAL EQUIPMENT

Buyer : OFFICE OF THE SHERIFF United States

GLASS SUPPLIES

Buyer : FACILITIES MANAGEMENT United States

FOAM SOAP SUPPLIES REBID

Buyer : FACILITIES MANABEMENT United States

FRESH PRODUCE

Buyer : JUVENILE TEMPORARY DETENTION CENTER United States

ELEVATOR MAINTENANCE SERVICES (NCR)

Buyer : FACILITIES MANAGEMENT United States

PAVEMENT REHABILITATION PROGRAM SOUTH 02-SECTION 25-PVRPS-01-PV

Buyer : COUNTY HIGHWAY United States

PARKING MANAGEMENT AT JTDC PARKING GARAGE & DV PARKING LOT (NCR)

Buyer : FACILITIES MANAGEMENT United States

BRIDGE REHABILITATION SOUTH 01

Buyer : COUNTY HIGHWAY United States

TRACKING BRACELETS FOR VULNERABLE POPULATIONS

Buyer : OFFICE OF THE SHERIFF United States

PAPER TOWELS AND TOLIET TISSUE PAPER

Buyer : FACILITIES MANAGGEMENT United States

ASPHALT EQUIPMENT

Buyer : COUNTY HIGHWAY United States

2026 TOYOTA RAV4 HYBRID VEHICLES

Buyer : COUNTYWIDE United States

2026 VEHICLES FOR PURCHASE-COUNTYWIDE

Buyer : COUNTYWIDE United States

SECURITY RESTRAINTS REBID

Buyer : OFFICE OF THE SHERIFF United States

2026 HONDA CR-V HYBRID VEHICLES

Buyer : COUNTYWIDE United States

ANNUAL ELEVATOR INSPECTIONS

Buyer : DEPARTMENT OF FACILITIES MANAGEMENT United States

PAVEMENT PRESERVATION CRACK SEALING 2026

Buyer : COUNTY HIGHWAY United States

PRINTING OF COURT DIVERSION ENVELOPES-REBID

Buyer : CLERK OF THE CIRCUIT COURT United States

BITUMINOUS MATERIALS HOT PATCH AND PRIME COAT MATERIALS -NORTH AREA

Buyer : COUNTY HIGHWAY DEPARTMENT United States

POLICE CANINES (K9'S) REBID

Buyer : OFFICE OF THE SHERIFF United States

2026- VEHICLES FOR PURCHASE-COUNTYWIDE

Buyer : COUNTYWIDE United States

PAVEMENT REHABILITATION PROGRAM (PRP) SOUTH CORRIDOR SO1

Buyer : COOK COUNTY HIGHWAY DEPARTMENT United States

ENTRY SCREENING EQUIPMENT

Buyer : OFFICE OF THE SHERIFF United States

HI-SCAN 6040 DV DUAL VIEW INSPECTION SYSTEM

Buyer : JUVENILE TEMPORARY DETENTION CENTER United States

2026 FORD BRONCO SPORT VEHICLE PURCHASE

Buyer : COUNTYWIDE United States

POLICE CAINES K9'S

Buyer : SHERIFFS OFFICE United States

MAINTENANCE OF LAWN AND SNOW REMOVAL EQUIPMENT

Buyer : OFFICE OF THE SHERIFF United States

TAYLOR DUNN CARTS

Buyer : COOK COUNTY SHERIFF United States

TRACTOR MOWERS WITH ATTACHMENTS

Buyer : COUNTY HIGHWAY DEPARTMENT United States

PRINTING OF COURT DIVERSION ENVELOPES

Buyer : CLERK OF THE CIRCUIT COURT United States

ACORN & METCRAFT PLUMBING SUPPLIES

Buyer : DEPARTMENT OF FACILITIES MANAGEMENT United States

Neighbouring sources

Source : Cook County, IL (datacatalog.cookcountyil.gov) · Cook County Open Data · réutilisation libre (domaine public local) · normalised by Tendveo

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endpoint tested 2026-06-26

The reproducible guide to wire this source into production. We say clearly what is open, what needs a key, and what remains to confirm.

1 · What it is
Cook County (Illinois, the 2nd most populous U.S. county, the Chicago metro) publishes its bid openings on its open-data portal (Socrata API, no key), the "Procurement - Bid Tabulations" dataset. Connector wired in production (tested 2026-06-26, via the generic Socrata engine): object (contract title), buyer department, procedure type, amount and bid-opening date, normalised to the unified schema. These are recent results (downstream), local classification (not CPV) → CPV left empty by design. Scope : national.
3 · Access
Open access (no key). No key. Cook County (IL) exposes its "Procurement - Bid Tabulations" dataset (32au-zaqn) via an open Socrata API on datacatalog.cookcountyil.gov. Connector wired in production (tested 2026-06-26, generic Socrata engine): object (project_name), department (department_name), procedure type, amount (bid_amount) and bid-opening date (bid_opening_date) sorted descending, mapped to the unified schema. Recent results (downstream). A (free) Socrata token only raises the rate limit. Cron plan: daily fetch.
4 · Endpoint / format
U.S. Socrata open-data API (generic engine, JSON, keyless)
https://datacatalog.cookcountyil.gov/resource/32au-zaqn.json
5 · Where to paste the key
No key. To override the endpoint at deployment : TENDVEO_SRC_COOK_COUNTY_ENDPOINT.
6 · How to test
Run node connectors/run.mjs cook-county and check that N real contracts come back.
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