Board Hold

{
  "book_regimes": {
    "spx": {
      "ladder_rung": "NAMES",
      "mode": "NAMES_ON",
      "verdict": "…"
    }
  },
  "holds": [
    {
      "gap_level": "LOW",
      "gap_risk": 18,
      "hold_label": "STRONG",
      "hold_q": 88,
      "light": "g",
      "mat_late": false,
      "name": "NVIDIA",
      "readiness": 74,
      "sector": "Information Technology",
      "state": "firing",
      "sym": "NVDA"
    },
    {
      "book": "crypto",
      "light": "g",
      "name": "Bitcoin",
      "regime_mode": "RISK_ON",
      "rule": "long-only; flips CASH when its own 50-day gate fails at a UTC daily close…",
      "state": "IN",
      "sym": "BTC-USD"
    }
  ],
  "product": "coil-hold",
  "requested": 2,
  "returned": 2,
  "rules": {
    "crypto": "…",
    "equity": "…",
    "impersonal": "published per-symbol state, identical for every reader"
  }
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://coil.trade/api/board/hold?sym=NVDA+%28or+NVDA%2CAMD%2CBTC-USD+%E2%80%94+up+to+10+in+one+read%29'

# 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://coil.trade/api/board/hold?sym=NVDA+%28or+NVDA%2CAMD%2CBTC-USD+%E2%80%94+up+to+10+in+one+read%29' \
  | 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 $0.005 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.005" });
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 $0.005 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fcoil.trade%2Fapi%2Fboard%2Fhold
const res = await pay("https://coil.trade/api/board/hold?sym=NVDA+%28or+NVDA%2CAMD%2CBTC-USD+%E2%80%94+up+to+10+in+one+read%29");
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 $0.005 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.005"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://coil.trade/api/board/hold?sym=NVDA+%28or+NVDA%2CAMD%2CBTC-USD+%E2%80%94+up+to+10+in+one+read%29")
    print(res.status_code, res.text)