Asset Signal Events

{
  "days": 90,
  "events": [
    {
      "asof_day": "2026-04-25",
      "class": "TR",
      "close_px": 67420.15,
      "confidence": 0.73,
      "direction": "long",
      "fwd_return_7d": 0.0412,
      "grade": "A",
      "horizon": "14d",
      "name": "Trend Momentum Continuation 14D",
      "signal_id": "TR_MOMO_CONT_14D",
      "z": 1.84
    },
    {
      "asof_day": "2026-05-02",
      "class": "VOL",
      "close_px": 69815.3,
      "confidence": 0.61,
      "direction": "neutral",
      "fwd_return_7d": 0.0187,
      "grade": "B",
      "horizon": "7d",
      "name": "Volatility Compression 7v30",
      "signal_id": "VOL_COMPRESSION_7v30",
      "z": -0.42
    },
    {
      "asof_day": "2026-05-18",
      "class": "FLOW",
      "close_px": 71203.88,
      "confidence": 0.68,
      "direction": "short",
      "fwd_return_7d": -0.0234,
      "grade": "A",
      "horizon": "7d",
      "name": "VWAP Deviation 7D",
      "signal_id": "FLOW_VWAP_DEV_7D",
      "z": -2.11
    }
  ],
  "meta": {
    "ic_context": "cross_sectional"
  },
  "ok": true,
  "symbol": "BTC"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://cryptyx.ai/api/asset/signal-events?days=0&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/signal-events?days=0&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%2Fsignal-events
const res = await pay("https://cryptyx.ai/api/asset/signal-events?days=0&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/signal-events?days=0&symbol=")
    print(res.status_code, res.text)