License Search
by tollbooth in Search & web
Licensed contractors by trade and city, zip or county: license number, name, type, status, expiry, address. Served states: CA, FL, MN, OR, TX, VA, WA; GET /v1/license/trades (free) lists each state's trades. Up to 25 results, active first, with total_matches; empty results is a paid 200. City, zip or county (where offered); no fuzzy or radius search. Oregon covers active licenses only; most Washington builders register as general, so a narrow WA trade can undercount. data_as_of is required.
https://api.flipvo.com/v1/license/search- Price
- $0.05
- per call in USDC
- Uptime
- 100%
- last 30 days
- Response time
- 417 ms
- 585 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/license/search
Each call costs $0.05 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/license/search
content-type: application/json
{
"city": "Tampa",
"state": "FL",
"trade": "roofing"
}Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
active_only | boolean | No | Default: true. |
city | string or null | No | Exact match after normalizing case and spaces, on addresses in the requested state. Exactly one of city, zip or county. Default: null. |
county | string or null | No | Offered only where a state lists it. Exactly one of city, zip or county. Default: null. |
limit | integer | No | Default: 25. |
state | string | Yes | One of: CA, FL, MN, OR, TX, VA, WA. |
trade | string | Yes | A trade slug. Each state offers its own list: GET /v1/license/trades (free) |
zip | string or null | No | 5-digit ZIP (ZIP+4 accepted; the first 5 digits match). Exactly one of city, zip or county. Default: null. |
Example response
The provider's example. We can't check it without paying.
Example response, 31 lines
{
"coverage": "Florida data covers active and inactive licenses.",
"data_as_of": {
"dbpr": "2026-09-23T00:00:00Z"
},
"query": {
"active_only": true,
"city": "TAMPA",
"limit": 25,
"trade": "roofing"
},
"results": [
{
"active": true,
"city": "TAMPA",
"dba_name": "SMITH ROOFING LLC",
"expires": "2026-08-31",
"license_number": "CCC1331234",
"license_type": "CCC",
"name": "SMITH JOHN A",
"state": "FL",
"status": "C",
"trade": "roofing",
"zip": "33602"
}
],
"source": "Florida DBPR public records",
"state": "FL",
"total_matches": 1,
"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 $0.05.
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/license/search' \
-H 'content-type: application/json' \
--data-raw '{"city":"Tampa","state":"FL","trade":"roofing"}'
# 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/license/search' \
-H 'content-type: application/json' \
--data-raw '{"city":"Tampa","state":"FL","trade":"roofing"}' \
| 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 $0.05 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.05" });
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 $0.05 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.flipvo.com%2Fv1%2Flicense%2Fsearch&method=POST
const res = await pay("https://api.flipvo.com/v1/license/search", {
method: "POST",
headers: { "content-type": "application/json" },
body: JSON.stringify({
"city": "Tampa",
"state": "FL",
"trade": "roofing"
}),
});
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 $0.05 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.05"})
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/license/search",
json={
"city": "Tampa",
"state": "FL",
"trade": "roofing",
},
)
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 | 119 ms | $0.05 |
| 7 h ago | Passed | 402 | 368 ms | $0.05 |
| 12 h ago | Passed | 402 | 488 ms | $0.05 |
| 17 h ago | Passed | 402 | 447 ms | $0.05 |
| 21 h ago | Passed | 402 | 416 ms | $0.05 |
Show 10 older checks
| 26 h ago | Passed | 402 | 451 ms | $0.05 |
| 31 h ago | Passed | 402 | 116 ms | $0.05 |
| 35 h ago | Passed | 402 | 370 ms | $0.05 |
| 39 h ago | Passed | 402 | 442 ms | $0.05 |
| 43 h ago | Passed | 402 | 385 ms | $0.05 |
| 2 days ago | Passed | 402 | 443 ms | $0.05 |
| 2 days ago | Passed | 402 | 411 ms | $0.05 |
| 2 days ago | Passed | 402 | 384 ms | $0.05 |
| 3 days ago | Passed | 402 | 358 ms | $0.05 |
| 3 days ago | Passed | 402 | 442 ms | $0.05 |