{
"usdot": "80806",
"legal_name": "J B HUNT TRANSPORT INC",
"dba_name": "J B HUNT",
"operation": {
"carrier_operation": "A",
"hazmat": false,
"passenger": false,
"authorized_for_hire": true,
"exempt_for_hire": false,
"private_only": false
},
"address": {
"physical": {
"street": "615 J B HUNT CORPORATE DRIVE",
"city": "LOWELL",
"state": "AR",
"zip": "72745",
"country": "US"
},
"mailing": {
"street": "615 J B HUNT CORPORATE DRIVE",
"city": "LOWELL",
"state": "AR",
"zip": "72745",
"country": "US"
}
},
"contact": {
"phone": "(479) 820-0000",
"fax": "(479) 820-4566",
"email": "[email protected]"
},
"fleet": {
"power_units": 25280,
"drivers": 24116
},
"registration": {
"added_date": "1974-06-01",
"days_registered": 19121,
"mcs150_date": "2025-07-07"
},
"authority": [
{
"docket": "MC135797",
"type": "Broker of Property (Except Household Goods)",
"status": "Active"
},
{
"docket": "MC135797",
"type": "Broker of Household Goods",
"status": "Active"
},
{
"docket": "MC135797",
"type": "Motor Carrier of Household Goods",
"status": "Active"
},
{
"docket": "MC135797",
"type": "Motor Carrier of Property (Except Household Goods)",
"status": "Active"
}
],
"insurance": {
"bipd_required": 1000000,
"bipd_on_file": 3500000,
"cargo_required": true,
"cargo_on_file": true,
"bond_required": true,
"bond_on_file": true,
"filings": [
{
"docket": "MC135797",
"type": "bipd",
"type_code": "1",
"form": "BMC-91X",
"insurer": "Ace American Insurance Company",
"policy_number": "XSAH11347472",
"coverage": 2500000,
"effective_date": "2025-12-31"
},
{
"docket": "MC135797",
"type": "bipd",
"type_code": "1",
"form": "BMC-91X",
"insurer": "Self-Insured",
"policy_number": "0",
"coverage": 1000000,
"effective_date": "1993-03-01"
},
{
"docket": "MC135797",
"type": "cargo",
"type_code": "2",
"form": "BMC-83",
"insurer": "Travelers Casualty and Surety Company of America",
"policy_number": "105917743",
"coverage": 5000,
"effective_date": "2023-10-23"
},
{
"docket": "MC135797",
"type": "surety_bond",
"type_code": "3",
"form": "BMC-84",
"insurer": "Travelers Casualty and Surety Company of America",
"policy_number": "105917743",
"coverage": 75000,
"effective_date": "2014-01-13"
},
{
"docket": "MC135797",
"type": "bipd",
"type_code": "1",
"form": "BMC-91X",
"insurer": "Palisades Insurance Company",
"policy_number": "NONE",
"coverage": 1000000,
"effective_date": "1993-03-01"
}
]
},
"inspections_24m": {
"total": 20222,
"with_oos": 2614
},
"flags": [],
"sources": {
"census": "fmcsa_census",
"authority_insurance": "fmcsa_motus"
},
"data_as_of": {
"census": "2026-09-13T07:08:36.000Z",
"authority_insurance": "2026-10-06T10:57:04.000Z"
},
"disclaimer": "Data from FMCSA public datasets, provided for information only. Not a compliance determination; verify with FMCSA before dispatch."
}
curl --location --request GET 'https://zylalabs.com/api/14105/carrier+check+api/34849/get+carrier+by+usdot&USDOT=Required' --header 'Authorization: Bearer YOUR_API_KEY'
{
"docket": "MC138328",
"carriers": [
{
"usdot": "53467",
"legal_name": "WERNER ENTERPRISES INC",
"dba_name": null,
"operation": {
"carrier_operation": "A",
"hazmat": false,
"passenger": false,
"authorized_for_hire": true,
"exempt_for_hire": false,
"private_only": false
},
"address": {
"physical": {
"street": "14507 FRONTIER ROAD",
"city": "OMAHA",
"state": "NE",
"zip": "68138",
"country": "US"
},
"mailing": {
"street": "PO BOX 45308",
"city": "OMAHA",
"state": "NE",
"zip": "68145-0308",
"country": "US"
}
},
"contact": {
"phone": "(402) 895-6640",
"fax": "(402) 894-3769",
"email": "[email protected]"
},
"fleet": {
"power_units": 9851,
"drivers": 9107
},
"registration": {
"added_date": "1974-06-01",
"days_registered": 19121,
"mcs150_date": "2024-07-23"
},
"authority": [
{
"docket": "MC138328",
"type": "Motor Carrier of Property (Except Household Goods)",
"status": "Active"
},
{
"docket": "MC138328",
"type": "Broker of Property (Except Household Goods)",
"status": "Active"
}
],
"insurance": {
"bipd_required": 1000000,
"bipd_on_file": 5000000,
"cargo_required": false,
"cargo_on_file": false,
"bond_required": true,
"bond_on_file": true,
"filings": [
{
"docket": "MC138328",
"type": "bipd",
"type_code": "1",
"form": "BMC-91X",
"insurer": "Ace American Insurance Company",
"policy_number": "XSAH11428927",
"coverage": 4000000,
"effective_date": "2025-08-01"
},
{
"docket": "MC138328",
"type": "bipd",
"type_code": "1",
"form": "BMC-91X",
"insurer": "Self-Insured",
"policy_number": "0",
"coverage": 1000000,
"effective_date": "1998-06-10"
},
{
"docket": "MC138328",
"type": "surety_bond",
"type_code": "3",
"form": "BMC-84",
"insurer": "Travelers Casualty and Surety Company of America",
"policy_number": "106001707",
"coverage": 75000,
"effective_date": "2013-10-01"
},
{
"docket": "MC138328",
"type": "bipd",
"type_code": "1",
"form": "BMC-91X",
"insurer": "Palisades Insurance Company",
"policy_number": "00000",
"coverage": 1000000,
"effective_date": "1993-03-15"
}
]
},
"inspections_24m": {
"total": 11701,
"with_oos": 1369
},
"flags": [
"mcs150_outdated"
],
"sources": {
"census": "fmcsa_census",
"authority_insurance": "fmcsa_motus"
},
"data_as_of": {
"census": "2026-09-13T07:08:36.000Z",
"authority_insurance": "2026-10-06T10:57:04.000Z"
}
}
],
"disclaimer": "Data from FMCSA public datasets, provided for information only. Not a compliance determination; verify with FMCSA before dispatch."
}
curl --location --request GET 'https://zylalabs.com/api/14105/carrier+check+api/34850/get+carrier+by+mc&MC=Required' --header 'Authorization: Bearer YOUR_API_KEY'
{
"query": "werner enterprises",
"count": 1,
"results": [
{
"usdot": "53467",
"legal_name": "WERNER ENTERPRISES INC",
"dba_name": null,
"city": "OMAHA",
"state": "NE",
"power_units": 9851
}
]
}
curl --location --request GET 'https://zylalabs.com/api/14105/carrier+check+api/34851/search+carriers?name=werner enterprises&state=NE&limit=10' --header 'Authorization: Bearer YOUR_API_KEY'
{
"query": {
"plate": "AF60214",
"state": "PA"
},
"vehicle": {
"vins": [
"1NKWXPTX1KJ245229"
],
"plates": [
{
"plate": "AF60214",
"state": "PA"
}
],
"make": "KW"
},
"carriers": [
{
"usdot": "1398624",
"name_at_inspection": "DMP TRUCKING INC",
"inspections": 4,
"first_seen": "2024-02-02",
"last_seen": "2025-12-23"
}
],
"coverage_note": "Vehicle data comes from FMCSA roadside inspection records. A vehicle that has never been inspected will not be found."
}
curl --location --request GET 'https://zylalabs.com/api/14105/carrier+check+api/34852/find+vehicle?plate=AF60214&state=PA' --header 'Authorization: Bearer YOUR_API_KEY'
{
"usdot": "1398624",
"query": {
"vin": "1NKWXPTX1KJ245229"
},
"result": "match",
"evidence": {
"usdot": "1398624",
"name_at_inspection": "DMP TRUCKING INC",
"inspections": 4,
"first_seen": "2024-02-02",
"last_seen": "2025-12-23"
},
"vehicle": {
"vins": [
"1NKWXPTX1KJ245229"
],
"plates": [
{
"plate": "AF60214",
"state": "PA"
}
],
"make": "KW"
},
"coverage_note": "Vehicle data comes from FMCSA roadside inspection records. A vehicle that has never been inspected will not be found.",
"disclaimer": "Data from FMCSA public datasets, provided for information only. Not a compliance determination; verify with FMCSA before dispatch."
}
curl --location --request GET 'https://zylalabs.com/api/14105/carrier+check+api/34853/verify+truck?usdot=1398624&plate=AF60214&state=PA&vin=1NKWXPTX1KJ245229' --header 'Authorization: Bearer YOUR_API_KEY'
{
"verdict": "good",
"usdot": "1398624",
"legal_name": "DMP TRUCKING INC",
"strict": false,
"summary": "Good: authority active, insurance OK, truck matches (4 inspections, last seen 2025-12-23). 1 warning.",
"reasons": [],
"warnings": [
"authority_data_from_frozen_legacy_files"
],
"checks": [
{
"check": "census",
"status": "pass"
},
{
"check": "authority",
"status": "pass"
},
{
"check": "insurance",
"status": "pass"
},
{
"check": "registration_age",
"status": "pass"
},
{
"check": "mcs150",
"status": "pass"
},
{
"check": "inspections",
"status": "pass"
},
{
"check": "data_source",
"status": "warn"
},
{
"check": "truck",
"status": "pass"
}
],
"carrier": {
"authority_active": true,
"insurance_ok": true,
"flags": [
"authority_data_from_frozen_legacy_files"
],
"authority": [
{
"docket": "MC558665",
"type": "common",
"status": "Active",
"application_pending": false,
"revocation_pending": false
}
],
"insurance": {
"bipd_required": 750000,
"bipd_on_file": 750000,
"cargo_required": false,
"cargo_on_file": false,
"bond_required": false,
"bond_on_file": false
},
"days_registered": 7744,
"inspections_24m": {
"total": 3,
"with_oos": 0
}
},
"truck": {
"result": "match",
"verified": true,
"last_seen": "2025-12-23",
"inspections": 4,
"most_recent_carrier": null
},
"data_as_of": {
"census": "2026-09-13T07:08:36.000Z",
"authority_insurance": "2026-10-06T10:57:04.000Z"
},
"disclaimer": "Data from FMCSA public datasets, provided for information only. Not a compliance determination; verify with FMCSA before dispatch."
}
curl --location --request GET 'https://zylalabs.com/api/14105/carrier+check+api/34854/check+pickup?usdot=1398624&plate=AF60214&state=PA&strict=false' --header 'Authorization: Bearer YOUR_API_KEY'
{
"count": 2,
"results": [
{
"usdot": "53467",
"legal_name": "WERNER ENTERPRISES INC",
"dba_name": null,
"operation": {
"carrier_operation": "A",
"hazmat": false,
"passenger": false,
"authorized_for_hire": true,
"exempt_for_hire": false,
"private_only": false
},
"address": {
"physical": {
"street": "14507 FRONTIER ROAD",
"city": "OMAHA",
"state": "NE",
"zip": "68138",
"country": "US"
},
"mailing": {
"street": "PO BOX 45308",
"city": "OMAHA",
"state": "NE",
"zip": "68145-0308",
"country": "US"
}
},
"contact": {
"phone": "(402) 895-6640",
"fax": "(402) 894-3769",
"email": "[email protected]"
},
"fleet": {
"power_units": 9851,
"drivers": 9107
},
"registration": {
"added_date": "1974-06-01",
"days_registered": 19121,
"mcs150_date": "2024-07-23"
},
"authority": [
{
"docket": "MC138328",
"type": "Motor Carrier of Property (Except Household Goods)",
"status": "Active"
},
{
"docket": "MC138328",
"type": "Broker of Property (Except Household Goods)",
"status": "Active"
}
],
"insurance": {
"bipd_required": 1000000,
"bipd_on_file": 5000000,
"cargo_required": false,
"cargo_on_file": false,
"bond_required": true,
"bond_on_file": true,
"filings": [
{
"docket": "MC138328",
"type": "bipd",
"type_code": "1",
"form": "BMC-91X",
"insurer": "Ace American Insurance Company",
"policy_number": "XSAH11428927",
"coverage": 4000000,
"effective_date": "2025-08-01"
},
{
"docket": "MC138328",
"type": "bipd",
"type_code": "1",
"form": "BMC-91X",
"insurer": "Self-Insured",
"policy_number": "0",
"coverage": 1000000,
"effective_date": "1998-06-10"
},
{
"docket": "MC138328",
"type": "surety_bond",
"type_code": "3",
"form": "BMC-84",
"insurer": "Travelers Casualty and Surety Company of America",
"policy_number": "106001707",
"coverage": 75000,
"effective_date": "2013-10-01"
},
{
"docket": "MC138328",
"type": "bipd",
"type_code": "1",
"form": "BMC-91X",
"insurer": "Palisades Insurance Company",
"policy_number": "00000",
"coverage": 1000000,
"effective_date": "1993-03-15"
}
]
},
"inspections_24m": {
"total": 11701,
"with_oos": 1369
},
"flags": [
"mcs150_outdated"
],
"sources": {
"census": "fmcsa_census",
"authority_insurance": "fmcsa_motus"
},
"data_as_of": {
"census": "2026-09-13T07:08:36.000Z",
"authority_insurance": "2026-10-06T10:57:04.000Z"
}
},
{
"usdot": "1398624",
"legal_name": "DMP TRUCKING INC",
"dba_name": "DMP TRUCKING",
"operation": {
"carrier_operation": "A",
"hazmat": false,
"passenger": false,
"authorized_for_hire": true,
"exempt_for_hire": false,
"private_only": false
},
"address": {
"physical": {
"street": "1043 SCHULTZ RD",
"city": "EAST NORRITON",
"state": "PA",
"zip": "19403",
"country": "US"
},
"mailing": {
"street": "PO BOX 121",
"city": "EAGLESVILLE",
"state": "PA",
"zip": "19408",
"country": "US"
}
},
"contact": {
"phone": "(610) 304-0341",
"fax": "(610) 279-1252",
"email": "[email protected]"
},
"fleet": {
"power_units": 1,
"drivers": 1
},
"registration": {
"added_date": "2005-07-25",
"days_registered": 7744,
"mcs150_date": "2025-06-16"
},
"authority": [
{
"docket": "MC558665",
"type": "common",
"status": "Active",
"application_pending": false,
"revocation_pending": false
}
],
"insurance": {
"bipd_required": 750000,
"bipd_on_file": 750000,
"cargo_required": false,
"cargo_on_file": false,
"bond_required": false,
"bond_on_file": false,
"filings": [
{
"docket": "MC558665",
"type": "bipd",
"type_code": "1",
"form": "91X",
"insurer": "EASTERN ATLANTIC INSURANCE COMPANY",
"policy_number": "TEA370124125",
"coverage": 750000,
"effective_date": "2025-10-25"
}
]
},
"inspections_24m": {
"total": 3,
"with_oos": 0
},
"flags": [
"authority_data_from_frozen_legacy_files"
],
"sources": {
"census": "fmcsa_census",
"authority_insurance": "fmcsa_legacy_li_frozen_2026-05-14"
},
"data_as_of": {
"census": "2026-09-13T07:08:36.000Z",
"authority_insurance": "2026-10-06T10:57:04.000Z"
}
}
],
"disclaimer": "Data from FMCSA public datasets, provided for information only. Not a compliance determination; verify with FMCSA before dispatch."
}
curl --location --request POST 'https://zylalabs.com/api/14105/carrier+check+api/34855/batch+carriers' --header 'Authorization: Bearer YOUR_API_KEY'
--data-raw '{"usdot":["53467","1398624"]}'
After signing up, every developer is assigned a personal API access key, a unique combination of letters and digits provided to access to our API endpoint. To authenticate with the Carrier Check API simply include your bearer token in the Authorization header.
| Header | Description |
|---|---|
Authorization
|
Required
Should be Bearer access_key. See "Your API Access Key" above when you are subscribed.
|
No long-term commitment. Upgrade, downgrade, or cancel anytime.
Carrier Check API is a REST API over FMCSA public data.
All data comes from FMCSA public datasets. Operating authority and insurance come from FMCSA's Motus system and update daily. Census data such as identity and fleet size updates about monthly. Every response includes data_as_of timestamps, and responses are cached for up to 6 hours.
Use the Verify Truck endpoint with the USDOT number you booked and the plate and state or the VIN of the truck. It checks FMCSA roadside inspection records and returns match, seen_under_carrier, different_carrier or not_found, with inspection counts and dates as evidence. The Check Pickup endpoint does this plus the authority and insurance check in one call and returns a verdict with reasons.
No. Plate and VIN results come from roadside inspection records, so a truck that has never been inspected will not be found. Try the VIN if a plate is not found, since plates change and VINs do not. The data is for information only and is not a legal or compliance determination.
To obtain your API key, first sign in to your account and navigate to the API you want to use. From the API's Pricing section, choose a plan and complete the subscription process. Once subscribed, return to the API page and you will see your API Access Key displayed at the top of the documentation page. You can use this key to authenticate your requests.
You can’t switch APIs during the free trial. If you subscribe to a different API, your trial will end and the new subscription will start as a paid plan.
The free trial lasts for 7 days and allows you to make up to 50 API requests.
No, the free trial is available only once, so we recommend using it on the API that interests you the most. Most of our APIs offer a free trial, but some may not include this option.
Yes. If the API offers a free trial, you will see a "Free 7-Day Trial" option in its Pricing section. The trial lasts for 7 days and allows up to 50 API requests, enabling you to evaluate the API before subscribing to a paid plan.
Zyla API Hub is like a big store for APIs, where you can find thousands of them all in one place. We also offer dedicated support and real-time monitoring of all APIs. Once you sign up, you can pick and choose which APIs you want to use. Just remember, each API needs its own subscription. But if you subscribe to multiple ones, you'll use the same key for all of them, making things easier for you.
You can monitor your API usage through the response headers included with every request:
x-zyla-api-calls-monthly-used: Shows the total number of API requests you have used during the current billing period.
x-zyla-api-calls-monthly-remaining: Shows the number of API requests you have remaining for the current billing period.
Yes, you can cancel your subscription at any time. Simply go to the Pricing section of the API you're subscribed to and click the "Unsubscribe" button.
Please note that upgrades, downgrades, and cancellations take effect immediately. Once your subscription is canceled, access to the service will end immediately, regardless of any remaining API calls in your quota.
Please have a look at our Refund Policy: https://zylalabs.com/terms#refund