# datacatalog.cookcountyil.gov, free, Application token: Business verification API

> This dataset includes all businesses currently registered with the Cook County Department of Revenue and subject to Amusement Home Rule, Dealer Use Home Rule, Diesel Home Rule, Firearm, Gasoline Home Rule, Liquor Home Rule, New Motor Vehicle Home Rule, Tobacco Wholesale, or Parking Home Rule taxes.

datacatalog.cookcountyil.gov's Application token plan for the business verification API costs $0.00 per 1,000 companies. We check each provider's docs for 11 fields. datacatalog.cookcountyil.gov's docs list 2: Registered name, Principal address.
You get as many calls as you like.
In [our business verification API benchmark](https://datacircle.dev/best-business-verification-api.txt), this plan scores 0.0 out of 100.
We rank 1,422 plans for business verification APIs by price. Half the plans cost $7.895 or less per 1,000 companies. This plan and 191 others tie for the lowest price per 1,000 companies of the 1,422 plans. [See the best free business verification API plan.](https://datacircle.dev/best-business-verification-api.txt)
[Scoris's €19 pack](https://datacircle.dev/business-verification-apis/scoris/19-pack/llms.txt) covers any number of companies in 8 countries only. Scoris's €19 pack costs more up front than CharityAPI's $15 monthly plan.
[GovFiles](https://datacircle.dev/business-verification-apis/govfiles/top-up/llms.txt), [CompanyData.com](https://datacircle.dev/business-verification-apis/companydata-com/249-monthly/llms.txt) and [Didit](https://datacircle.dev/business-verification-apis/didit/top-up-from-50/llms.txt) are the best business verification API providers in the Datacircle benchmark for companies in any country.

- This page: https://datacircle.dev/business-verification-apis/datacatalog-cookcountyil-gov/free-application-token
- [Business verification API: the 14 best providers compared](https://datacircle.dev/best-business-verification-api.txt)
- Get it: https://dev.socrata.com/docs/app-tokens.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Request: `GET https://datacatalog.cookcountyil.gov/resource/rfq6-w7ja.json`
- API key: with the plan, on https://dev.socrata.com/docs/app-tokens.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Its API docs: https://dev.socrata.com/foundry/datacatalog.cookcountyil.gov/rfq6-w7ja?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Sold by: datacatalog.cookcountyil.gov (https://datacatalog.cookcountyil.gov?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing)
- Checked: 2026-11-08

## In the answer

- Completeness: 18%
- Registered name: ✓
- Principal address: ✓

## Score

- Overall score: 0.0. We give it 0 overall because its Accuracy score is 0.
- Price score: 100
- Accuracy score: 0
- Cost to get started score: 77
- Bundle score: 0
- Performance score: 0. We could not measure how fast this provider answers a call, so we count it as 0.

## Price

- $ per 1,000 companies: $0.00
- Per: call
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: This dataset includes all businesses currently registered with the Cook County Department of Revenue and subject to Amusement Home Rule, Dealer Use Home Rule, Diesel Home Rule, Firearm, Gasoline Home Rule, Liquor Home Rule, New Motor Vehicle Home Rule, Tobacco Wholesale, or Parking Home Rule taxes.

## Data

- Freshness: 1 month
- Countries: United States
- Keep data: no limit
- Use data: Public Domain, the dataset's licence ("License | Public Domain" on its page and "license": {"name": "Public Domain"} in its metadata). The county's Terms of Use for its websites and the data on them add: "By use of this system and any data contained therein, you agree that your use shall conform to all applicable laws and regulations and you shall not violate the rights of any third parties."

## Plan

- Pay: $0
- Enough for: no limit

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: $q. Optional: $where, $limit, $offset, $order
- Method: GET
- Path: /resource/rfq6-w7ja.json

## About the plan

- Plan: Application token
- Who can get it: anyone who registers an application token in a Socrata profile

## The 9 fields the plan's answer can hold

registration account number, business name, tax type, street address, second address line, city, state, ZIP code, latitude and longitude

## datacatalog.cookcountyil.gov's plans (2)

- [datacatalog.cookcountyil.gov, free, Application token](https://datacircle.dev/business-verification-apis/datacatalog-cookcountyil-gov/free-application-token/llms.txt): $0.00 per 1,000, 18% complete, 1 month
- [datacatalog.cookcountyil.gov, free, No application token](https://datacircle.dev/business-verification-apis/datacatalog-cookcountyil-gov/free-no-application-token/llms.txt): $0.00 per 1,000, 18% complete, 1 month

## datacatalog.cookcountyil.gov's calls (1)

- `GET /resource/rfq6-w7ja.json`: [datacatalog.cookcountyil.gov, free, Application token](https://datacircle.dev/business-verification-apis/datacatalog-cookcountyil-gov/free-application-token/llms.txt)

## datacatalog.cookcountyil.gov's APIs (2)

- [datacatalog.cookcountyil.gov: business verification API pricing, 2 plans](https://datacircle.dev/business-verification-apis/datacatalog-cookcountyil-gov/free-application-token/llms.txt)
- [datacatalog.cookcountyil.gov: company discovery API pricing, 2 plans](https://datacircle.dev/company-discovery-apis/datacatalog-cookcountyil-gov/free-application-token/llms.txt)

## datacatalog.cookcountyil.gov: business verification API alternatives

- [INSEE, free](https://datacircle.dev/business-verification-apis/insee/free/llms.txt): $0.00 per 1,000, 45% complete, 24 hours
- [Scoris, free](https://datacircle.dev/business-verification-apis/scoris/free/llms.txt): $0.00 per 1,000, 18% complete, 1 week
- [CompanyVerify, free pilot, GET /v1/uk/company/search](https://datacircle.dev/business-verification-apis/companyverify/free-pilot-get-v1-uk-company-search/llms.txt): $0.00 per 1,000, 55% complete, 24 hours
- [eucompliance.tools, free, no key, GET /free/company](https://datacircle.dev/business-verification-apis/eucompliance-tools/free-no-key-get-free-company/llms.txt): $0.00 per 1,000, 55% complete, live
- [data.wprdc.org, free](https://datacircle.dev/business-verification-apis/data-wprdc-org/free/llms.txt): $0.00 per 1,000, 27% complete, 1 week

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-08.

- https://datacatalog.cookcountyil.gov/Finance-Operations/Department-of-Revenue-Registered-Businesses/rfq6-w7ja?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://datacatalog.cookcountyil.gov/api/views/rfq6-w7ja.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://datacatalog.cookcountyil.gov/resource/rfq6-w7ja.json?$limit=2&utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://dev.socrata.com/docs/app-tokens.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://dev.socrata.com/docs/endpoints.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://dev.socrata.com/docs/queries/limit.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://dev.socrata.com/docs/queries/offset.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://dev.socrata.com/docs/queries/order.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://dev.socrata.com/docs/queries/q.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://dev.socrata.com/docs/queries/where.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://dev.socrata.com/docs/response-codes.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://dev.socrata.com/foundry/datacatalog.cookcountyil.gov/rfq6-w7ja?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://www.cookcountyil.gov/terms-use?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing