# datahub.transportation.gov, free, Application token: Company discovery API

> The Company Census File contains records for active, inactive, and pending entities registered with FMCSA.

datahub.transportation.gov's Application token plan for the company discovery API costs $0.00 per 1,000 companies. We check each provider's docs for 13 fields. datahub.transportation.gov's docs list 3: Type and status, Headquarters, Phones.
You get as many pages as you like.
We haven't run datahub.transportation.gov through [our company discovery API benchmark](https://datacircle.dev/best-company-discovery-api.txt) yet.
We rank 1,165 plans for company discovery APIs by price. Half the plans cost $0.525 or less per 1,000 companies. This plan and 170 others tie for the lowest price per 1,000 companies of the 1,165 plans. [See the best free company discovery API plan.](https://datacircle.dev/best-company-discovery-api.txt)
[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 the Datacircle benchmark.

- This page: https://datacircle.dev/company-discovery-apis/datahub-transportation-gov/free-application-token
- [Company discovery API: the best of 100+ 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://datahub.transportation.gov/resource/az4n-8mr2.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/datahub.transportation.gov/az4n-8mr2?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Sold by: datahub.transportation.gov (https://datahub.transportation.gov?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing)
- Checked: 2026-11-08

## In the answer

- Completeness: 23%
- Type and status: ✓
- Headquarters: ✓
- Phones: ✓

## 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: The Company Census File contains records for active, inactive, and pending entities registered with FMCSA.

## Data

- Countries: United States
- Keep data: no period set, "Collect or store personal data about other users or individuals" is barred
- Use data: The portal's "Socrata Terms of Use" (Tyler Technologies, Data & Insights), which name no licence for the dataset: "You may not obtain or attempt to obtain any materials or information through any means not intentionally made available or provided for through the Services. You agree to use the Services only for lawful purposes and to follow all applicable laws and regulations [...] While using the Services, you will not: Violate any laws, regulations, third-party rights (including intellectual property rights), or Tyler’s policies, [...] Affect Tyler adversely or reflect negatively on the Services, Tyler, our goodwill, name, or reputation, Impersonate anyone or any entity or falsely state or misrepresent your affiliation with a person or entity, Display advertising or commercial content, Collect or store personal data about other users or individuals, Use any computer code, data mining software, "robot," "bot," "spider," "scraper" or other automatic device, or program, algorithm or methodology having similar processes or functionality, or any manual process, to monitor or copy any of the Web pages, data or content found or accessed through the Services, Transmit any material that contains software viruses, trojan horses, worms, time bombs, cancelbots, or other malicious code, Take any action to use the Services in any manner that violates or is inconsistent with this Terms of Use or to circumvent, compromise or defeat any security measures implemented in the Services [...], Display, distribute, license, perform, publish, reproduce, duplicate, copy, create derivative works from, modify, sell, resell, exploit, transfer, or transmit for any commercial purposes, all or any portion of the Services or use in-line or other linking to display content from the Services without Tyler’s permission, or Modify, disrupt, impair, alter, or interfere with the use, features, functions, operation, or maintenance of the Services or the rights or use and enjoyment of the Services by any other person, firm, or enterprise [...]. Any rights not expressly granted herein are reserved."

## 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/az4n-8mr2.json

## About the plan

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

## The 147 fields the plan's answer can hold

MCS-150 filing date, record add date, status code, USDOT number, D-U-N-S number, FMCSA region, safety investigation territory, carrier operation code, business organization ID, MCS-150 mileage, MCS-150 mileage year, MCS-151 mileage, total cars, MCS-150 update code, prior revocation flag, prior revoked USDOT number, phone, fax, cell phone, company officer 1 name, company officer 2 name, business organization type, truck units, power units, bus units, fleet size, review ID, recordable crash rate, mailing nationality indicator, street address nationality indicator, street address barrio, mailing barrio, carrier or shipper code, docket 1 prefix, docket 1 number, docket 2 prefix, docket 2 number, docket 3 prefix, docket 3 number, point number, total intrastate drivers, MCSIP step, MCSIP date, hazardous materials indicator, interstate drivers beyond 100 miles, interstate drivers within 100 miles, intrastate drivers beyond 100 miles, intrastate drivers within 100 miles, total CDL drivers, total drivers, average drivers leased per month, operation classification, legal name, DBA name, street address, city, country, state, ZIP code, county code, mailing address, mailing state, mailing city, mailing country, mailing ZIP code, mailing county code, mailing address undeliverable date, total interstate drivers, email address, review type, review date, safety rating, safety rating date, street address undeliverable flag, general freight cargo, household goods cargo, metal sheets, coils and rolls cargo, motor vehicles cargo, drive away and tow away cargo, logs, poles, beams and lumber cargo, building materials cargo, mobile homes cargo, large machinery and objects cargo, fresh produce cargo, liquids and gases cargo, intermodal containers cargo, passengers cargo, oilfield equipment cargo, livestock cargo, grain, feed and hay cargo, coal and coke cargo, meat cargo, garbage, refuse and trash cargo, U.S. mail cargo, chemicals cargo, dry bulk commodities cargo, refrigerated food cargo, beverages cargo, paper products cargo, utility cargo, farm supplies cargo, construction cargo, water well cargo, other cargo, other cargo description, owned trucks, owned tractors, owned trailers, owned motorcoaches, owned school buses (1 to 8 passengers), owned school buses (9 to 15 passengers), owned school buses (16 or more passengers), owned buses (16 or more passengers), owned vans (1 to 8 passengers), owned vans (9 to 15 passengers), owned limousines (1 to 8 passengers), owned limousines (9 to 15 passengers), owned limousines (16 or more passengers), term-leased trucks, term-leased tractors, term-leased trailers, term-leased motorcoaches, term-leased school buses (1 to 8 passengers), term-leased school buses (9 to 15 passengers), term-leased school buses (16 or more passengers), term-leased buses (16 or more passengers), term-leased vans (1 to 8 passengers), term-leased vans (9 to 15 passengers), term-leased limousines (1 to 8 passengers), term-leased limousines (9 to 15 passengers), term-leased limousines (16 or more passengers), trip-leased trucks, trip-leased tractors, trip-leased trailers, trip-leased motorcoaches, trip-leased school buses (1 to 8 passengers), trip-leased school buses (9 to 15 passengers), trip-leased school buses (16 or more passengers), trip-leased buses (16 or more passengers), trip-leased vans (1 to 8 passengers), trip-leased vans (9 to 15 passengers), trip-leased limousines (1 to 8 passengers), trip-leased limousines (9 to 15 passengers), trip-leased limousines (16 or more passengers), docket 1 status code, docket 2 status code, docket 3 status code

## datahub.transportation.gov's plans (2)

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

## datahub.transportation.gov's calls (1)

- `GET /resource/az4n-8mr2.json`: [datahub.transportation.gov, free, Application token](https://datacircle.dev/company-discovery-apis/datahub-transportation-gov/free-application-token/llms.txt)

## datahub.transportation.gov's APIs (2)

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

## datahub.transportation.gov: company discovery API alternatives

- [GetProspect, free](https://datacircle.dev/company-discovery-apis/getprospect/free/llms.txt): $0.00 per 1,000, 62% complete, stored
- [Hunter, free, POST /discover](https://datacircle.dev/company-discovery-apis/hunter/free-post-discover/llms.txt): $0.00 per 1,000, 54% complete, stored
- [PeopleSearch.im, free](https://datacircle.dev/company-discovery-apis/peoplesearch-im/free/llms.txt): $0.00 per 1,000, 38% complete, stored
- [AnVendor, free, POST /v1/leads/search](https://datacircle.dev/company-discovery-apis/anvendor/free-post-v1-leads-search/llms.txt): $0.00 per 1,000, 23% complete, stored
- [datahub.austintexas.gov, free, Application token](https://datacircle.dev/company-discovery-apis/datahub-austintexas-gov/free-application-token/llms.txt): $0.00 per 1,000, 0% complete, 1 day

## 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://datahub.transportation.gov/Trucking-and-Motorcoaches/Company-Census-File/az4n-8mr2?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://datahub.transportation.gov/api/views/az4n-8mr2.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://datahub.transportation.gov/resource/az4n-8mr2.json?$limit=2&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/docs/response-codes.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://dev.socrata.com/foundry/datahub.transportation.gov/az4n-8mr2?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://www.tylertech.com/terms/data-insights-terms-of-use?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing