Url Normalize

{
  "asOf": "2026-10-11T01:25:52.518Z",
  "degraded": false,
  "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
  "host": "example.com",
  "normalized": "https://example.com/a/c?a=1&b=2",
  "notChecked": [
    "whether the URL resolves or is safe",
    "redirects",
    "…1 more"
  ],
  "path": "/a/c",
  "port": null,
  "query": [
    {
      "key": "a",
      "value": "1"
    },
    {
      "key": "b",
      "value": "2"
    }
  ],
  "reasons": [],
  "scheme": "https",
  "source": "computed locally",
  "strippedParameters": [
    "utm_source"
  ],
  "summary": "Stripped 1 tracking parameter(s): utm_source.",
  "verdict": "TRACKING_STRIPPED"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://cheap-utilities.x402tookit.com/url-normalize?url=HTTPS%3A%2F%2FExample.com%3A443%2Fa%2F.%2Fb%2F..%2Fc%3Futm_source%3Dx%26b%3D2%26a%3D1%23frag'

# 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://cheap-utilities.x402tookit.com/url-normalize?url=HTTPS%3A%2F%2FExample.com%3A443%2Fa%2F.%2Fb%2F..%2Fc%3Futm_source%3Dx%26b%3D2%26a%3D1%23frag' \
  | 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 $0.02 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%2Fcheap-utilities.x402tookit.com%2Furl-normalize
const res = await pay("https://cheap-utilities.x402tookit.com/url-normalize?url=HTTPS%3A%2F%2FExample.com%3A443%2Fa%2F.%2Fb%2F..%2Fc%3Futm_source%3Dx%26b%3D2%26a%3D1%23frag");
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 $0.02 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://cheap-utilities.x402tookit.com/url-normalize?url=HTTPS%3A%2F%2FExample.com%3A443%2Fa%2F.%2Fb%2F..%2Fc%3Futm_source%3Dx%26b%3D2%26a%3D1%23frag")
    print(res.status_code, res.text)