Asset Asymmetry

{
  "ok": true,
  "panels": [
    {
      "class": "FUT",
      "current_pctl": 0.91,
      "current_z": 1.42,
      "key": "funding_stress",
      "label": "Funding stress",
      "last_asof_day": "2026-06-18",
      "metric_id": "FUT_FUNDING_MA_7D",
      "one_liner": "Elevated long-biased funding (91th pctl) — longs paying up.",
      "sparkline_30d": [
        {
          "d": "2026-05-20",
          "pctl": 0.62,
          "z": 0.31
        },
        {
          "d": "2026-06-18",
          "pctl": 0.91,
          "z": 1.42
        }
      ]
    },
    {
      "class": "OPT",
      "current_pctl": 0.34,
      "current_z": -0.42,
      "key": "options_skew",
      "label": "Options skew",
      "last_asof_day": "2026-06-18",
      "metric_id": "OPT_SKEW_RR25D_1M",
      "one_liner": "Skew near neutral — balanced tail pricing.",
      "sparkline_30d": [
        {
          "d": "2026-05-20",
          "pctl": 0.55,
          "z": 0.12
        },
        {
          "d": "2026-06-18",
          "pctl": 0.34,
          "z": -0.42
        }
      ]
    },
    {
      "class": "OB",
      "current_pctl": 0.04,
      "current_z": -2.15,
      "key": "liquidity_posture",
      "label": "Liquidity posture",
      "last_asof_day": "2026-06-18",
      "metric_id": "OB_IMB_100BP",
      "one_liner": "Extreme ask-heavy imbalance (4th pctl) — sellers stacked at 100bp.",
      "sparkline_30d": [
        {
          "d": "2026-05-20",
          "pctl": 0.31,
          "z": -0.5
        },
        {
          "d": "2026-06-18",
          "pctl": 0.04,
          "z": -2.15
        }
      ]
    },
    {
      "class": "FLOW",
      "current_pctl": 0.71,
      "current_z": 0.65,
      "key": "flow_bias",
      "label": "Flow bias",
      "last_asof_day": "2026-06-18",
      "metric_id": "FLOW_TAKER_BS_RATIO_MA_7D",
      "one_liner": "Taker flow balanced.",
      "sparkline_30d": [
        {
          "d": "2026-05-20",
          "pctl": 0.58,
          "z": 0.22
        },
        {
          "d": "2026-06-18",
          "pctl": 0.71,
          "z": 0.65
        }
      ]
    }
  ],
  "symbol": "BTC"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://cryptyx.ai/api/asset/asymmetry?symbol='

# 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://cryptyx.ai/api/asset/asymmetry?symbol=' \
  | 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 $0.05 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.05" });
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 $0.05 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fcryptyx.ai%2Fapi%2Fasset%2Fasymmetry
const res = await pay("https://cryptyx.ai/api/asset/asymmetry?symbol=");
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 $0.05 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.05"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://cryptyx.ai/api/asset/asymmetry?symbol=")
    print(res.status_code, res.text)