Extract
by ClearCheck in Search & web
Pull named fields out of unstructured text as strict JSON. You name the fields, you get an object back.
https://loonie-toll.onrender.com/extract- Price
- $0.02
- per call in USDC
- Uptime
- 100%
- last 30 days
- Response time
- 247 ms
- 679 ms slowest 5%
- Last check
- Passed
- 3 h ago, next any minute now
Reliability
Status and outage history · Atom feed · Watch with other listings
How to call it
GET https://loonie-toll.onrender.com/extract
Each call costs $0.02 in USDC on Polygon, 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.
GET https://loonie-toll.onrender.com/extract?fields=invoice_number%2Cvendor%2Camount%2Cdue_date%2Ccontact_email&text=Invoice+4471+from+Acme+Corp+for+%242%2C150.00%2C+due+2026-09-15.+Contact+billing%40acme.example.Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
fields | string | Yes | Comma-separated field names to extract, e.g. name,email,amount,date |
text | string | Yes | The text to work on. 6000 characters maximum. |
Example response
The provider's example. We can't check it without paying.
{
"disclaimer": "Generated by a small local language model. Advisory only — it can be wrong, and it is not a substitute for review on anything consequential.",
"fields": {
"amount": 2150,
"contact_email": "[email protected]",
"due_date": "2026-09-15",
"invoice_number": "4471",
"vendor": "Acme Corp"
},
"found": 5,
"model": "openai/gpt-oss-120b",
"requested": 5,
"source": "local model",
"verdict": "COMPLETE"
}Call it from code
The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.02.
curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://loonie-toll.onrender.com/extract?fields=invoice_number%2Cvendor%2Camount%2Cdue_date%2Ccontact_email&text=Invoice+4471+from+Acme+Corp+for+%242%2C150.00%2C+due+2026-09-15.+Contact+billing%40acme.example.'
# 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 - 'https://loonie-toll.onrender.com/extract?fields=invoice_number%2Cvendor%2Camount%2Cdue_date%2Ccontact_email&text=Invoice+4471+from+Acme+Corp+for+%242%2C150.00%2C+due+2026-09-15.+Contact+billing%40acme.example.' \
| 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 $0.02 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.02" });
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 $0.02 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Floonie-toll.onrender.com%2Fextract
const res = await pay("https://loonie-toll.onrender.com/extract?fields=invoice_number%2Cvendor%2Camount%2Cdue_date%2Ccontact_email&text=Invoice+4471+from+Acme+Corp+for+%242%2C150.00%2C+due+2026-09-15.+Contact+billing%40acme.example.");
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 $0.02 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.02"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))
with x402_requests(client) as session:
res = session.get("https://loonie-toll.onrender.com/extract?fields=invoice_number%2Cvendor%2Camount%2Cdue_date%2Ccontact_email&text=Invoice+4471+from+Acme+Corp+for+%242%2C150.00%2C+due+2026-09-15.+Contact+billing%40acme.example.")
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 |
|---|---|---|---|---|
| 3 h ago | Passed | 402 | 233 ms | $0.02 |
| 8 h ago | Passed | 402 | 247 ms | $0.02 |
| 13 h ago | Passed | 402 | 679 ms | $0.02 |
| 17 h ago | Passed | 402 | 263 ms | $0.02 |