U Html Form Required Choice Reset State

{
  "billable": true,
  "findings": [
    {
      "confidence": 85,
      "evidence": [
        {
          "page_indices": [],
          "page_url": null,
          "pattern": "html-form-required-choice-reset-state_scoped_evidence",
          "type": "raw_html"
        }
      ],
      "id": "html-form-required-choice-reset-state",
      "limits": [
        "Only complete original RAM documents are examined. No additional fetch, execution, interaction, computed style, rendering or external state is asserted.",
        "Only numeric and boolean aggregates are returned. All source text, identifiers, names, addresses, contact data, URLs, headers and digest values remain private.",
        "Measures the declared initial/reset value-missing condition for native radio groups, required checkboxes and required selects. Radio membership uses same-tree form ownership and nonempty case-sensitive name; any required group member activates the requirement and a checked member can satisfy the group even if disabled. Select initial selectedness and its first direct placeholder-label option are resolved together. Disabled and datalist-barred controls are excluded from candidate checks. No other validity state, custom validity, user data, script state, client/server acceptance, legal judgement or actual submission is asserted. Field names, values and source text are never returned."
      ],
      "module": "html-form-required-choice-reset-state",
      "module_cpu_ms": 1,
      "state": "observed",
      "value": {
        "barred_required_choice_controls": 0,
        "documents": 1,
        "radio_groups": 1,
        "radio_groups_missing_choice": 1,
        "required_checkboxes": 0,
        "required_radio_groups": 1,
        "required_selects": 0,
        "selects_missing_choice": 0,
        "unchecked_required_checkboxes": 0
      },
      "warnings": []
    }
  ],
  "known_count": 1,
  "scope": {
    "at": "2026-10-19T00:00:00.000Z",
    "contact_values_returned": false,
    "pages": 1,
    "rendered": false,
    "requests": 0
  },
  "warnings": [
    "Illustrative synthetic fixture only; no live-site or customer assertion."
  ]
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://detect.halowerk.com/u/html-form-required-choice-reset-state' \
  -H 'content-type: application/json' \
  --data-raw '{"url":"https://example.org/"}'

# 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://detect.halowerk.com/u/html-form-required-choice-reset-state' \
  -H 'content-type: application/json' \
  --data-raw '{"url":"https://example.org/"}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// 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 $0.003 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.003" });
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 $0.003 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fdetect.halowerk.com%2Fu%2Fhtml-form-required-choice-reset-state&method=POST
const res = await pay("https://detect.halowerk.com/u/html-form-required-choice-reset-state", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "url": "https://example.org/"
  }),
});
console.log(res.status, await res.text());

# 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 $0.003 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.003"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://detect.halowerk.com/u/html-form-required-choice-reset-state",
        json={
            "url": "https://example.org/",
        },
    )
    print(res.status_code, res.text)