Datacircle

DOT Open Data (FMCSA census, authority) pricing: company discovery API, GET /resource/az4n-8mr2.json

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8% complete: 1 of the 13 fields on our checklistSee the 13 fields

$0.00per 1,000 companiesIn our company discovery API benchmark, this plan scores 0.0 out of 100. DOT Open Data (FMCSA census, authority) ranks 82nd of 105 providers.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.PeopleSearch.im's $5 pack covers any number of companies. PeopleSearch.im's $5 pack costs less up front than StackScan's $189 monthly plan.GetProspect, Hunter and PeopleSearch.im are the best company discovery API providers in the Datacircle benchmark.
Type a number to see the cheapest DOT Open Data (FMCSA census, authority) plan for that many companies. The table below then sorts the other plans by what each costs.
Plan: Application token one of DOT Open Data's 2 plans
Call: GET /resource/az4n-8mr2.json one of DOT Open Data's 2 calls
API: Company discovery API one of DOT Open Data's 2 APIs

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 1 of the 13 fields on our checklist. Phones.
  • Nothing to pay. You get as many pages as you like.
  • One call. You call GET /resource/az4n-8mr2.json. Every input is optional: $where, $select, $limit, $offset, $order. The call returns the matching companies.
  • Who can get it: anyone who registers an application token in a Socrata profile. Keep data: no limit. Use data: with conditions.

DOT Open Data (FMCSA census, authority): company discovery API alternatives

DOT Open Data (FMCSA census, authority) alternatives: every company discovery API provider ranked

We list other providers' plans closest to this plan in price per 1,000 companies.

This planDOT Open Data (FMCSA census, authority), free, Application token, GET /resource/az4n-8mr2.jsonGetProspect, freeHunter, free, POST /discoverPeopleSearch.im, freeAnVendor, free, POST /v1/leads/searchdatos.gov.co, free, With an app token
$ per 1,000 companies$0.00$0.00$0.00$0.00$0.00$0.00
Completeness8%62%54%38%23%8%
Billingfreefreefreefreefreefree
Pay$0$0$0$0$0$0
Enough forno limitno limit2,160,000 pages a monthno limitno limitno limit
Freshnessunknownstoredstoredstoredstored1 month
Who can get itanyone who registers an application token in a Socrata profileanyone 16 or overanyone 18 or overnew accountsanyone 18 or over, for their own internal business purposesanyone with a Socrata account, which registers an application token in its profile

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.

  1. data.transportation.gov/api/catalog/v1?q=FMCSA%20census&limit=20
  2. data.transportation.gov/api/views/az4n-8mr2.json
  3. dev.socrata.com/docs/app-tokens.html
  4. dev.socrata.com/docs/endpoints.html
  5. dev.socrata.com/docs/queries/limit.html
  6. dev.socrata.com/docs/queries/offset.html
  7. dev.socrata.com/docs/queries/order.html
  8. dev.socrata.com/docs/queries/select.html
  9. dev.socrata.com/docs/queries/where.html
  10. dev.socrata.com/docs/response-codes.html
  11. tylertech.com/terms/socrata-terms-of-use

Product details

The key fields this plan's answer can hold, then each filled column in its row on the sheet.

  • Description, not in the answer
  • Industry, not in the answer
  • Type and status, not in the answer
  • Images, not in the answer
  • Technologies, not in the answer
  • Employees, not in the answer
  • Social profiles, not in the answer
  • Headquarters, not in the answer
  • Locations, not in the answer
  • Funding, not in the answer
  • Revenue and budgets, not in the answer
  • Parents, not in the answer
  • Phones
Score
Overall score0.0. We give it 0 overall because its Accuracy score is 0.
Price score100
Accuracy score0
Cost to get started score77
Bundle score0
Performance score0. We could not measure how fast this provider answers a call, so we count it as 0.
Price
$ per 1,000 companies$0.00
Perpage of 1,000
Billingfree
Aggregators
Aggregatorsnone
Charges
Most per searchno limit
Also pays fornothing else
Not found
$ per 1,000$0.00
In their words
Their pitchThe Company Census File contains records for active, inactive, and pending entities registered with FMCSA.
Data
CountriesUnited States
Keep datano limit
Use dataEach dataset's Rights: "public" (Common Core metadata). Socrata Terms of Use: "While using the Services, you will not: [...] 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, [...] 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, [...]"
Plan
Pay$0
Enough forno limit
Rate limit
Batch1
Speed
Answerin the call
The call
You sendnothing required. Optional: $where, $select, $limit, $offset, $order
MethodGET
Path/resource/az4n-8mr2.json
About the plan
PlanApplication token
Who can get itanyone who registers an application token in a Socrata profile
The 147 fields the plan's answer can hold

MCS-150 date, record added date, status code, USDOT number, Dun & Bradstreet number, physical OMC region, safety investigation territory, carrier operation, business organization ID, MCS-150 mileage, MCS-150 mileage year, MCS-151 mileage, total cars, MCS-150 update code ID, prior revoke flag, prior revoke USDOT number, phone, fax, cell phone, company officer 1, company officer 2, business organization description, truck units, power units, bus units, fleet size, review ID, recordable crash rate, mailing nationality indicator, physical nationality indicator, physical barrio, mailing barrio, carship, 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 beyond 100 miles, interstate within 100 miles, intrastate beyond 100 miles, intrastate within 100 miles, total CDL drivers, total drivers, average drivers leased per month, operation classification, legal name, DBA name, physical street, physical city, physical country, physical state, physical ZIP code, physical county, mailing street, mailing state, mailing city, mailing country, mailing ZIP code, mailing county, mailing undeliverable date, total interstate drivers, email address, review type, review date, safety rating, safety rating date, physical address undeliverable, cargo 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 machinery and large 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 utilities, cargo farm supplies, cargo construction, cargo water well, cargo other, cargo other description, owned trucks, owned truck tractors, owned trailers, owned motorcoaches, owned school buses of 1 to 8 passengers, owned school buses of 9 to 15 passengers, owned school buses of 16 or more passengers, owned buses of 16 or more passengers, owned vans of 1 to 8 passengers, owned vans of 9 to 15 passengers, owned limousines of 1 to 8 passengers, owned limousines of 9 to 15 passengers, owned limousines of 16 or more passengers, term leased trucks, term leased truck tractors, term leased trailers, term leased motorcoaches, term leased school buses of 1 to 8 passengers, term leased school buses of 9 to 15 passengers, term leased school buses of 16 or more passengers, term leased buses of 16 or more passengers, term leased vans of 1 to 8 passengers, term leased vans of 9 to 15 passengers, term leased limousines of 1 to 8 passengers, term leased limousines of 9 to 15 passengers, term leased limousines of 16 or more passengers, trip leased trucks, trip leased truck tractors, trip leased trailers, trip leased motorcoaches, trip leased school buses of 1 to 8 passengers, trip leased school buses of 9 to 15 passengers, trip leased school buses of 16 or more passengers, trip leased buses of 16 or more passengers, trip leased vans of 1 to 8 passengers, trip leased vans of 9 to 15 passengers, trip leased limousines of 1 to 8 passengers, trip leased limousines of 9 to 15 passengers, trip leased limousines of 16 or more passengers, docket 1 status code, docket 2 status code, docket 3 status code

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