Greyhound Trap

{
  "bend_type": "tight",
  "betting_angles": [
    "Back rails runners from trap 1 in A2-A3 grades when SP > 2/1 — track bias underpriced by market"
  ],
  "country": "UK",
  "governing_body": "GBGB",
  "pace_profile": "fast early — trap 1 dogs set the pace on rail",
  "shape": "oval",
  "surface": "sand",
  "top_traps": [
    1,
    2,
    3
  ],
  "track": "Romford",
  "track_verdict": "Strong draw bias. Trap 1 wins 21% vs 12.5% statistically expected. Always weight draw heavily.",
  "trap_stats": [
    {
      "notes": "Best trap at Romford — inside draw bypasses first bend trouble",
      "rail_advantage": "favoured",
      "running_style": "rails runner",
      "trap": 1,
      "win_pct": 21
    },
    {
      "notes": "Must go extra wide on bend 1 — significant disadvantage",
      "rail_advantage": "disadvantaged",
      "running_style": "wide runner",
      "trap": 6,
      "win_pct": 10
    }
  ],
  "traps_to_avoid": [
    6,
    7,
    8
  ]
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://racingpulse.theaslangroupllc.com/api/greyhound-trap?distance=400m%2C+460m%2C+520m%2C+710m&grade=A1%2C+A2%2C+S2%2C+OR%2C+Free-for-All'

# 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/greyhound-trap?distance=400m%2C+460m%2C+520m%2C+710m&grade=A1%2C+A2%2C+S2%2C+OR%2C+Free-for-All' \
  | 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%2Fgreyhound-trap
const res = await pay("https://racingpulse.theaslangroupllc.com/api/greyhound-trap?distance=400m%2C+460m%2C+520m%2C+710m&grade=A1%2C+A2%2C+S2%2C+OR%2C+Free-for-All");
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/greyhound-trap?distance=400m%2C+460m%2C+520m%2C+710m&grade=A1%2C+A2%2C+S2%2C+OR%2C+Free-for-All")
    print(res.status_code, res.text)