Agent Scorecard

{
  "by_strategy": {
    "news_bounce": {
      "independent_days": 13,
      "mean_return_pct": 1.35,
      "n_trades": 190,
      "win_pct": 63
    }
  },
  "by_week": [
    {
      "independent_days": 7,
      "mean_return_pct": 1.4,
      "n_trades": 118,
      "week_of": "2026-09-01",
      "win_pct": 66
    }
  ],
  "dataset": "vaunt.news.scorecard",
  "summary": {
    "independent_days": 13,
    "mean_return_pct": 1.31,
    "n_trades": 212,
    "win_pct": 64
  },
  "trades": [
    {
      "asset": "ARB",
      "cell": {
        "asset_class": "crypto",
        "news_verdict": "no_cause_found",
        "recent_outlier": false
      },
      "direction": "LONG",
      "exit_class": "rule",
      "hold": "1-4h",
      "opened_day": "2026-09-08",
      "outcome": "win",
      "return_pct_band": 2.5,
      "strategy": "news_bounce"
    }
  ],
  "window_days": 14
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://vaunt-dispatch-production.up.railway.app/agent/x402/scorecard'

# 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://vaunt-dispatch-production.up.railway.app/agent/x402/scorecard' \
  | 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 $0.001 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%2Fvaunt-dispatch-production.up.railway.app%2Fagent%2Fx402%2Fscorecard
const res = await pay("https://vaunt-dispatch-production.up.railway.app/agent/x402/scorecard");
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 $0.001 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://vaunt-dispatch-production.up.railway.app/agent/x402/scorecard")
    print(res.status_code, res.text)