Track

{
  "characteristics": [
    "Stiff uphill finish",
    "Wide track",
    "Suits strong stayers in Flat season"
  ],
  "country": "UK",
  "current_going": "Good to Firm",
  "distance_suitability": {
    "middle": "Fair test, pace bias",
    "sprints": "Draw bias is critical — high stalls preferred",
    "staying": "Stiff finish tests stamina"
  },
  "draw_bias": "High draws favoured in sprint races, especially in 5f-6f",
  "going_trend": "Drying",
  "moisture_index": 18.5,
  "notable_features": [
    "Royal Enclosure",
    "Straight 5f course"
  ],
  "optimal_running_style": "Hold-up or stalking in sprints; front-running on round course",
  "shape": "Right-handed",
  "surface": "Flat turf",
  "track": "ascot",
  "track_summary": "",
  "trainer_stats": []
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://racingpulse.theaslangroupllc.com/api/track'

# 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://racingpulse.theaslangroupllc.com/api/track' \
  | 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 $0.07 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.07" });
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 $0.07 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fracingpulse.theaslangroupllc.com%2Fapi%2Ftrack
const res = await pay("https://racingpulse.theaslangroupllc.com/api/track");
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 $0.07 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.07"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://racingpulse.theaslangroupllc.com/api/track")
    print(res.status_code, res.text)