# cos-data.seattle.gov, free, Application token: Business verification API

> This dataset contains active business license tax certificate data for the City of Seattle

cos-data.seattle.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. cos-data.seattle.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 76.2 out of 100.
We rank 1,735 plans for business verification APIs by price. Half the plans cost $7.895 or less per 1,000 companies. This plan and 227 others tie for the lowest price per 1,000 companies of the 1,735 plans. [See the best free business verification API plan.](https://datacircle.dev/best-business-verification-api.txt)
[Scoris' €19 pack](https://datacircle.dev/business-verification-apis/scoris/19-pack/llms.txt) covers any number of companies in 8 countries only. Scoris' €19 pack costs less up front than SafeDeal's ₸50,000 (about $110) monthly plan.
[GovFiles](https://datacircle.dev/business-verification-apis/govfiles/top-up/llms.txt), [Didit](https://datacircle.dev/business-verification-apis/didit/top-up-from-50/llms.txt) and [CompanyData.com](https://datacircle.dev/business-verification-apis/companydata-com/249-monthly/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/cos-data-seattle-gov/free-application-token
- [Business verification API in 2026: the 8 best 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://cos-data.seattle.gov/resource/wnbq-64tb.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/cos-data.seattle.gov/wnbq-64tb?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Sold by: cos-data.seattle.gov (https://cos-data.seattle.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: 76.2
- Price score: 100
- Accuracy score: 71
- Cost to get started score: 77
- Bundle score: 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 calls that find nothing: $0.00

## In their words

- Their pitch: This dataset contains active business license tax certificate data for the City of Seattle

## Data

- Freshness: 1 day
- Countries: United States
- Keep data: no limit
- Use data: Public Domain, the dataset's licence, and the portal's Seattle Open Data Terms of Use: "By using data made available through this site the user agrees to all the conditions stated in the following paragraphs. [...] To the extent the data consists of a list of individuals or can be readily sorted, filtered, or configured as a list of individuals, it is not to be used for a commercial purpose. [...] Unless otherwise indicated, data on this site does not require specific attribution."

## Plan

- Pay: $0
- Enough for: no limit

## Rate limit

- Batch: 1

## Speed

- Answer: in the call
- Median: 0.04 s

## The call

- You send: $q. Optional: $where, $limit, $offset, $order
- Method: GET
- Path: /resource/wnbq-64tb.json

## About the plan

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

## The 13 fields the plan's answer can hold

business legal name, DBA name, ownership type, NAICS code, NAICS description, license start date, street address, city, state, ZIP code, business phone, city account number, UBI

## cos-data.seattle.gov's plans (2)

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

## cos-data.seattle.gov's calls (1)

- `GET /resource/wnbq-64tb.json`: [cos-data.seattle.gov, free, Application token](https://datacircle.dev/business-verification-apis/cos-data-seattle-gov/free-application-token/llms.txt)

## cos-data.seattle.gov's APIs (2)

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

## cos-data.seattle.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
- [Paianjenul, free, check_vat](https://datacircle.dev/business-verification-apis/paianjenul/free-check-vat/llms.txt): $0.00 per 1,000, 0% complete, live
- [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

## 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://cos-data.seattle.gov/City-Administration/Active-Business-License-Tax-Certificate/wnbq-64tb?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://cos-data.seattle.gov/api/views/wnbq-64tb.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://cos-data.seattle.gov/resource/wnbq-64tb.json?$limit=2&utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://data.seattle.gov/stories/s/Data-Policy/6ukr-wvup/?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/cos-data.seattle.gov/wnbq-64tb?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing