Market Pulse Factor Cross Section

{
  "asof_day": "2026-06-18",
  "durationMs": 187,
  "grid": [
    {
      "avg_t_score": 0.421,
      "class": "TR",
      "horizon": "14D",
      "momentum_delta": 0.084,
      "n_assets": 198,
      "negative_count": 67,
      "positive_count": 131
    },
    {
      "avg_t_score": 0.612,
      "class": "TR",
      "horizon": "180D",
      "momentum_delta": 0.011,
      "n_assets": 198,
      "negative_count": 46,
      "positive_count": 152
    },
    {
      "avg_t_score": -0.213,
      "class": "VOL",
      "horizon": "7D",
      "momentum_delta": -0.045,
      "n_assets": 198,
      "negative_count": 117,
      "positive_count": 81
    },
    {
      "avg_t_score": 0.156,
      "class": "FLOW",
      "horizon": "30D",
      "momentum_delta": 0.022,
      "n_assets": 195,
      "negative_count": 77,
      "positive_count": 118
    },
    {
      "avg_t_score": -0.084,
      "class": "FUT",
      "horizon": "7D",
      "momentum_delta": -0.031,
      "n_assets": 142,
      "negative_count": 78,
      "positive_count": 64
    }
  ],
  "mode": "market",
  "ok": true
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://cryptyx.ai/api/market-pulse/factor-cross-section?asset=BTC&history_class=TR&history_days=30&history_horizon=30D&mode=market'

# 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/market-pulse/factor-cross-section?asset=BTC&history_class=TR&history_days=30&history_horizon=30D&mode=market' \
  | 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%2Fmarket-pulse%2Ffactor-cross-section
const res = await pay("https://cryptyx.ai/api/market-pulse/factor-cross-section?asset=BTC&history_class=TR&history_days=30&history_horizon=30D&mode=market");
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/market-pulse/factor-cross-section?asset=BTC&history_class=TR&history_days=30&history_horizon=30D&mode=market")
    print(res.status_code, res.text)