# data.cityofchicago.org, free, Application token: Company discovery API

> Business licenses issued by the Department of Business Affairs and Consumer Protection in the City of Chicago from 2002 to the present.

data.cityofchicago.org's company discovery API on its Application token plan. It costs $0.00 per 1,000 companies. It returns 3 of the 13 key fields we check: Technologies, Headquarters, Locations.
You get as many pages as you like.
Half of the 729 plans we rank by price cost $1.00 per 1,000 companies or less. This plan and 55 others tie for the lowest price per 1,000 companies of the 729 plans.
[PeopleSearch.im's $5 pack](https://datacircle.dev/company-discovery-apis/peoplesearch-im/5-pack/llms.txt) covers any number of companies. PeopleSearch.im's $5 pack costs less up front than StackScan's $189 monthly plan.
[GetProspect](https://datacircle.dev/company-discovery-apis/getprospect/49-monthly/llms.txt), [Hunter](https://datacircle.dev/company-discovery-apis/hunter/49-monthly-starter-post-discover/llms.txt) and [PeopleSearch.im](https://datacircle.dev/company-discovery-apis/peoplesearch-im/5-pack/llms.txt) are the best company discovery API providers in our benchmark.

- This page: https://datacircle.dev/company-discovery-apis/data-cityofchicago-org/free-application-token
- [Best company discovery API in 2026: providers compared](https://datacircle.dev/best-company-discovery-api.txt)
- Get it: https://dev.socrata.com/docs/app-tokens.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Request: `GET https://data.cityofchicago.org/resource/r5kz-chrr.json`
- API key: with the plan, on https://dev.socrata.com/docs/app-tokens.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Its API docs: https://dev.socrata.com/foundry/data.cityofchicago.org/r5kz-chrr?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Sold by: data.cityofchicago.org (https://data.cityofchicago.org?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing)
- Checked: 2026-11-02

## In the answer

- Completeness: 23%
- Technologies: ✓
- Headquarters: ✓
- Locations: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Most per search: no limit
- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Business licenses issued by the Department of Business Affairs and Consumer Protection in the City of Chicago from 2002 to the present.

## Data

- Freshness: 1 day
- Countries: United States
- Keep data: no limit
- Use data: "The City may require a user of this data to terminate any and all display, distribution or other use of any or all of the data provided at this website for any reason including, without limitation, violation of these Terms of Use or other terms as defined by City agencies or departments contributing data to this website. Any user of this website providing any software application, or other secondary or derivative application using data supplied at this website shall do the following: Include the following disclaimer at the site where the software application, or other secondary or derivative application can be accessed or downloaded: “This site provides applications using data that has been modified for use from its original source, www.cityofchicago.org, the official website of the City of Chicago. The City of Chicago makes no claims as to the content, accuracy, timeliness, or completeness of any of the data provided at this site. The data provided at this site is subject to change at any time. It is understood that the data provided at this site is being used at one’s own risk.” Comply with any additional Terms of Use set forth by the City agency or department providing data used by the software application, or other secondary or derivative application, including, without limitation, requirements to include additional citations or disclaimers at the site where the application can be accessed or downloaded. [...] The City reserves the right to discontinue availability of content on this website at any time and for any reason. [...] These Terms of Use do not grant anyone any title or right to any patent, copyright, trademark or other intellectual property rights that the City may have in any of the information, images, software, or processes displayed or used at this website. [...] To the fullest extent permitted by law, any user of the data provided at this website shall indemnify and hold harmless the City from any claim, loss, damage, injury, or liability of any kind (including, without limitation, incidental and consequential damages, court costs, attorney’s fees and costs of investigation), that arises directly or indirectly, in whole or in part, from that user’s use of this data, including any secondary or derivative use of the information provided herein."

## Plan

- Pay: $0
- Enough for: no limit

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: nothing required. Optional: $where, $select, $limit, $offset, $order
- Method: GET
- Path: /resource/r5kz-chrr.json

## About the plan

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

## The 37 fields the plan's answer can hold

record ID, license ID, account number, site number, legal name, doing business as name, address, city, state, ZIP code, ward, precinct, ward precinct, police district, community area, community area name, neighborhood, license code, license description, business activity ID, business activity, license number, application type, application created date, application requirements complete date, payment date, conditional approval, license term start date, license term expiration date, license approved for issuance date, date issued, license status, license status change date, SSA, latitude, longitude, location

## data.cityofchicago.org's plans (2)

- [data.cityofchicago.org, free, Application token](https://datacircle.dev/company-discovery-apis/data-cityofchicago-org/free-application-token/llms.txt): $0.00 per 1,000, 23% complete, 1 day
- [data.cityofchicago.org, free, No application token](https://datacircle.dev/company-discovery-apis/data-cityofchicago-org/free-no-application-token/llms.txt): $0.00 per 1,000, 23% complete, 1 day

## data.cityofchicago.org's calls (1)

- `GET /resource/r5kz-chrr.json`: [data.cityofchicago.org, free, Application token](https://datacircle.dev/company-discovery-apis/data-cityofchicago-org/free-application-token/llms.txt)

## data.cityofchicago.org's APIs (2)

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

## data.cityofchicago.org: company discovery API alternatives

- [Findymail, free trial, POST /api/intellimatch/search, Search leads](https://datacircle.dev/company-discovery-apis/findymail/free/llms.txt): $0.00 per 1,000, 31% complete, live
- [SerpKite, free](https://datacircle.dev/company-discovery-apis/serpkite/free/llms.txt): $0.00 per 1,000, 23% complete, live
- [Sumble, free, POST /v9/organizations, Organizations](https://datacircle.dev/company-discovery-apis/sumble/free-post-v9-organizations-organizations/llms.txt): $0.00 per 1,000, 46% complete, 1 day
- [Captapi, free](https://datacircle.dev/company-discovery-apis/captapi/free/llms.txt): $0.00 per 1,000, 38% complete, live

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-02.

- https://data.cityofchicago.org/Community-Economic-Development/Business-Licenses/r5kz-chrr?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://data.cityofchicago.org/api/views/r5kz-chrr.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://dev.socrata.com/docs/app-tokens.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://dev.socrata.com/docs/endpoints.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://dev.socrata.com/docs/queries/limit.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://dev.socrata.com/docs/queries/offset.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://dev.socrata.com/docs/queries/order.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://dev.socrata.com/docs/queries/select.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://dev.socrata.com/docs/queries/where.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://dev.socrata.com/foundry/data.cityofchicago.org/r5kz-chrr?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://www.chicago.gov/city/en/narr/foia/data_disclaimer.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing