Composite Custom

{
  "asof_day": "2026-06-18",
  "assets": [
    {
      "asset": "BTC",
      "class_contributions": {
        "CORR": 0.0411,
        "EFF": 0.0892,
        "FLOW": 0.1844,
        "FUT": 0.0712,
        "OB": 0.0398,
        "OPT": 0.0205,
        "TR": 0.2317,
        "VOL": 0.0832
      },
      "default_score": 0.5421,
      "delta": 0.0763,
      "rank": 1,
      "score": 0.6184
    },
    {
      "asset": "ETH",
      "class_contributions": {
        "CORR": 0.0289,
        "EFF": 0.0721,
        "FLOW": 0.1612,
        "FUT": 0.0654,
        "OB": 0.0331,
        "OPT": 0.0148,
        "TR": 0.1903,
        "VOL": 0.0742
      },
      "default_score": 0.4988,
      "delta": 0.0483,
      "rank": 2,
      "score": 0.5471
    },
    {
      "asset": "SOL",
      "class_contributions": {
        "CORR": 0.0241,
        "EFF": 0.0688,
        "FLOW": 0.1502,
        "FUT": 0.0588,
        "OB": 0.0285,
        "OPT": 0.0119,
        "TR": 0.1742,
        "VOL": 0.0671
      },
      "default_score": 0.4602,
      "delta": 0.0416,
      "rank": 3,
      "score": 0.5018
    }
  ],
  "custom_weights": {
    "CORR": 0.5,
    "EFF": 0.8,
    "FLOW": 1.2,
    "FUT": 1,
    "OB": 0.6,
    "OPT": 0.4,
    "TR": 1.5,
    "VOL": 0.9
  },
  "default_weights": {
    "CORR": 0.85,
    "EFF": 0.9,
    "FLOW": 1.1,
    "FUT": 1,
    "OB": 0.75,
    "OPT": 0.6,
    "TR": 1.2,
    "VOL": 1.05
  },
  "horizon": "7d",
  "ok": true,
  "summary": {
    "bearish": 31,
    "bullish": 42,
    "neutral": 125
  },
  "top_movers": [
    {
      "asset": "BTC",
      "class_contributions": {
        "CORR": 0.0411,
        "EFF": 0.0892,
        "FLOW": 0.1844,
        "FUT": 0.0712,
        "OB": 0.0398,
        "OPT": 0.0205,
        "TR": 0.2317,
        "VOL": 0.0832
      },
      "default_score": 0.5421,
      "delta": 0.0763,
      "rank": 1,
      "score": 0.6184
    }
  ],
  "total_assets": 198
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://cryptyx.ai/api/signals/composite/custom' \
  -H 'content-type: application/json' \
  --data-raw '{"day":"","horizon":"","threshold":0,"weights":{}}'

# 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 - -X POST 'https://cryptyx.ai/api/signals/composite/custom' \
  -H 'content-type: application/json' \
  --data-raw '{"day":"","horizon":"","threshold":0,"weights":{}}' \
  | 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%2Fsignals%2Fcomposite%2Fcustom&method=POST
const res = await pay("https://cryptyx.ai/api/signals/composite/custom", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "day": "",
    "horizon": "",
    "threshold": 0,
    "weights": {}
  }),
});
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.post(
        "https://cryptyx.ai/api/signals/composite/custom",
        json={
            "day": "",
            "horizon": "",
            "threshold": 0,
            "weights": {},
        },
    )
    print(res.status_code, res.text)