Lang
by SiteCheck in Other
The language of a text with franc-min: ISO 639-3 and ISO 639-1 codes, the English name, confidence from 0 to 1, the script (Latin, Cyrillic, Arabic...) and the three next most likely languages. Send texts= (a JSON array of up to 20 strings) for a batch. Under 20 characters the answer is und with a note. 61 languages.
https://api.sitecheck-api.workers.dev/api/lang- Price
- $0.001
- per call in USDC
- Uptime
- 100%
- last 30 days
- Response time
- 714 ms
- 1.5 s slowest 5%
- Last check
- Passed
- 1 h ago, next any minute now
Reliability
How to call it
GET https://api.sitecheck-api.workers.dev/api/lang
Each call costs $0.001 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.
GET https://api.sitecheck-api.workers.dev/api/lang?text=Results+arrive+in+seconds%2C+and+every+call+is+paid+per+request.Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
text | string | No | Up to 5,000 characters |
texts | string | No | Alternative: a JSON array of up to 20 strings, e.g. ["Hallo","Merhaba"] |
Example response
The provider's example. We can't check it without paying.
{
"alternatives": [
{
"confidence": 0.86,
"iso639_1": "it",
"language": "ita",
"languageName": "Italian"
}
],
"checkedAt": "2026-10-13T09:00:00.000Z",
"confidence": 1,
"iso639_1": "en",
"language": "eng",
"languageName": "English",
"length": 24,
"script": "Latin"
}Call it from code
The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.001.
curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.sitecheck-api.workers.dev/api/lang?text=Results+arrive+in+seconds%2C+and+every+call+is+paid+per+request.'
# 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://api.sitecheck-api.workers.dev/api/lang?text=Results+arrive+in+seconds%2C+and+every+call+is+paid+per+request.' \
| 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 $0.001 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.001" });
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 $0.001 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.sitecheck-api.workers.dev%2Fapi%2Flang
const res = await pay("https://api.sitecheck-api.workers.dev/api/lang?text=Results+arrive+in+seconds%2C+and+every+call+is+paid+per+request.");
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 $0.001 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.001"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))
with x402_requests(client) as session:
res = session.get("https://api.sitecheck-api.workers.dev/api/lang?text=Results+arrive+in+seconds%2C+and+every+call+is+paid+per+request.")
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 |
|---|---|---|---|---|
| 1 h ago | Passed | 402 | 151 ms | $0.001 |
| 6 h ago | Passed | 402 | 1.5 s | $0.001 |
| 10 h ago | Passed | 402 | 883 ms | $0.001 |
| 14 h ago | Passed | 402 | 145 ms | $0.001 |
| 18 h ago | Passed | 402 | 154 ms | $0.001 |
Show 5 older checks
| 23 h ago | Passed | 402 | 1.0 s | $0.001 |
| 27 h ago | Passed | 402 | 1.3 s | $0.001 |
| 31 h ago | Passed | 402 | 714 ms | $0.001 |
| 35 h ago | Passed | 402 | 311 ms | $0.001 |
| 44 h ago | Passed | 402 | 1.5 s | $0.001 |