Market State

{
  "as_of": "2026-10-13T08:05:01Z",
  "data_age_seconds": 42,
  "disclaimer": "Descriptive market data for informational purposes only. Not financial advice.",
  "source": "USD-M futures public market data (derived, read-only)",
  "symbols": {
    "BTCUSDT": {
      "funding_rate": 0.0000847,
      "index_price": 83924.1,
      "mark_price": 83917.62,
      "open_interest_change_pct": 0.33,
      "taker_buy_share_1h": 0.492,
      "timeframes": {
        "15m": {
          "rsi14": 74.6
        },
        "1h": {
          "rsi14": 64.2
        },
        "4h": {
          "atr14_pct": 1.01,
          "ema20": 83161.9,
          "prior_high20": 84340.2,
          "prior_low20": 80985,
          "rsi14": 56.7
        }
      }
    }
  }
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://deskfeed.dev/v1/market-state?symbol=BTCUSDT'

# 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://deskfeed.dev/v1/market-state?symbol=BTCUSDT' \
  | 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 $0.01 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.01" });
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 $0.01 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fdeskfeed.dev%2Fv1%2Fmarket-state
const res = await pay("https://deskfeed.dev/v1/market-state?symbol=BTCUSDT");
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 $0.01 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.01"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://deskfeed.dev/v1/market-state?symbol=BTCUSDT")
    print(res.status_code, res.text)