Carrier Lookup
by tollbooth in Company & people data
US motor carrier by USDOT, MC/MX/FF docket or exact company name (FMCSA): USDOT status, out-of-service order, operating authority per docket with grant date and source (Motus, else legacy frozen 2026-05-14), BI&PD, cargo and bond required vs on file, insurance policies, BOC-3, fleet size (power_units counts every power unit, trucks and others), safety rating. Up to 10 carriers; empty is a paid 200. Not a determination: verify with FMCSA before dispatch.
https://api.flipvo.com/v1/carrier/lookup- Price
- $0.03
- per call in USDC
- Uptime
- 100%
- last 30 days
- Response time
- 417 ms
- 466 ms slowest 5%
- Last check
- Passed
- 2 h ago, next any minute now
Reliability
Status and outage history · Atom feed · Watch with other listings
How to call it
POST https://api.flipvo.com/v1/carrier/lookup
Each call costs $0.03 in USDC on Base, paid with the request over x402.
Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.
Example request
From the listing.
POST https://api.flipvo.com/v1/carrier/lookup
content-type: application/json
{
"usdot": 53467
}Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
docket | string or null | No | MC, MX or FF + digits. Default: null. |
name | string or null | No | Whole legal or DBA name; no partial match. Default: null. |
usdot | integer or null | No | Default: null. |
Example response
The provider's example. We can't check it without paying.
Example response, 47 lines
{
"carriers": [
{
"authorities": [
{
"docket": "MC123456",
"frozen_as_of": null,
"granted": "2015-03-02",
"source": "motus",
"status": "Active",
"type": "Common"
}
],
"authority_age": {
"docket": "MC123456",
"first_granted": "2015-03-02",
"source": "motus"
},
"authorized_for": [
"property"
],
"boc3": true,
"city": "DALLAS",
"dba_name": null,
"drivers": 14,
"insurance": [],
"legal_name": "EXAMPLE FREIGHT LLC",
"out_of_service": {
"date": null,
"in_force": false,
"reason_class": null
},
"power_units": 12,
"safety_rating": null,
"safety_rating_date": null,
"state": "TX",
"usdot": 1234567,
"usdot_status": "Active",
"zip": "75201"
}
],
"coverage": "All US motor carriers with a USDOT number in the FMCSA census.",
"data_as_of": "2026-10-01",
"legacy_as_of": "2025-06-30",
"source": "FMCSA Motus census and authority files; frozen legacy L&I history",
"truncated": false
}Call it from code
The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.03.
curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.flipvo.com/v1/carrier/lookup' \
-H 'content-type: application/json' \
--data-raw '{"usdot":53467}'
# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - -X POST 'https://api.flipvo.com/v1/carrier/lookup' \
-H 'content-type: application/json' \
--data-raw '{"usdot":53467}' \
| grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decodeJavaScript: pay and call
// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";
// Pays at most $0.03 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.03" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);
// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.03 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.flipvo.com%2Fv1%2Fcarrier%2Flookup&method=POST
const res = await pay("https://api.flipvo.com/v1/carrier/lookup", {
method: "POST",
headers: { "content-type": "application/json" },
body: JSON.stringify({
"usdot": 53467
}),
});
console.log(res.status, await res.text());Python: pay and call
# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client
# Pays at most $0.03 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.03"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))
with x402_requests(client) as session:
res = session.post(
"https://api.flipvo.com/v1/carrier/lookup",
json={
"usdot": 53467,
},
)
print(res.status_code, res.text)Security scan
No findings
We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.
Recent checks
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 2 h ago | Passed | 402 | 451 ms | $0.03 |
| 7 h ago | Passed | 402 | 406 ms | $0.03 |
| 12 h ago | Passed | 402 | 441 ms | $0.03 |
| 17 h ago | Passed | 402 | 391 ms | $0.03 |
| 21 h ago | Passed | 402 | 454 ms | $0.03 |
Show 10 older checks
| 26 h ago | Passed | 402 | 466 ms | $0.03 |
| 30 h ago | Passed | 402 | 405 ms | $0.03 |
| 35 h ago | Passed | 402 | 434 ms | $0.03 |
| 39 h ago | Passed | 402 | 410 ms | $0.03 |
| 43 h ago | Passed | 402 | 452 ms | $0.03 |
| 47 h ago | Passed | 402 | 433 ms | $0.03 |
| 2 days ago | Passed | 402 | 461 ms | $0.03 |
| 2 days ago | Passed | 402 | 452 ms | $0.03 |
| 3 days ago | Passed | 402 | 415 ms | $0.03 |
| 3 days ago | Passed | 402 | 396 ms | $0.03 |