81trust / 100

Tasignal Risk

by TASignal by AgentGate in Security & trust

x402 APIPassing, checked 2 h ago

Crypto risk metrics API (VaR, volatility and position sizing). Risk analytics and position sizing for a crypto asset: historical VaR and CVaR at 95/99% per bar and per day, annualized volatility, max drawdown and current drawdown from the high, Sharpe and Sortino, worst/best bar over up to 1000 closed candles; ATR(14)-based stop (or your stop), risk per unit and, with account_usd and risk_pct, the position size in units and USD notional, implied leverage and 2R/3R levels. Not financial advice.

GET
https://api.youraitools.co/tasignal/v1/risk
Price
$0.02
per call in USDC
Uptime
100%
last 30 days
Response time
38 ms
771 ms slowest 5%
Last check
Passed
2 h ago, next any minute now

Run a free test callHow to call it

Reliability

All checks passedSome failedAll failedNot checked

Status and outage history · Atom feed · Watch with other listings

How to call it

GET https://api.youraitools.co/tasignal/v1/risk

Each call costs $0.02 in USDC on Polygon, paid with the request over x402.

Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.

Example request

From the listing.

GET https://api.youraitools.co/tasignal/v1/risk?account_usd=10000&risk_pct=1&side=long&symbol=ETH&timeframe=4h

Parameters

ParameterTypeRequiredDescription
account_usdnumberNoAccount size in USD (optional; enables units, notional, leverage)
barsintegerNoCandles for risk metrics, 50-1000 (default 500)
entrynumberNoEntry price (default: last price)
risk_pctnumberNoPercent of the account risked if the stop is hit (default 1)
sidestringNoPosition side (default long) One of: long, short.
stopnumberNoStop price (optional; overrides stop_atr)
stop_atrnumberNoStop distance in ATR(14) multiples when no stop is given (default 2)
symbolstringYesBase asset ticker, e.g. BTC, ETH, SOL, HYPE (BTC-PERP, ETH-USD and SOLUSDT are accepted too)
timeframestringNoCandle timeframe: 15m, 1h, 4h or 1d (default 1h; risk default 4h) One of: 15m, 1h, 4h, 1d.

Example response

The provider's example. We can't check it without paying.

Example response, 49 lines
{
  "atr_14": 36.160089,
  "atr_pct": 1.517,
  "candles_used": 500,
  "checked_at": "2026-10-22T19:00:54.578Z",
  "confidence": "high",
  "disclaimer": "Not financial advice. Past performance does not guarantee future results. Technical indicators, risk metrics and backtests describe historical prices only; they are not predictions or trade recommendations. TASignal never trades, holds funds or keys.",
  "last_price": 2383.6,
  "market": "ETH",
  "position_sizing": {
    "account_usd": 10000,
    "entry": 2383.6,
    "implied_leverage": 0.33,
    "notional_usd": 3295.9,
    "risk_pct_of_account": 1,
    "risk_per_unit": 72.320178,
    "risk_usd": 100,
    "side": "long",
    "stop": 2311.2798,
    "stop_distance_pct": 3.034,
    "stop_method": "2 x ATR(14) from entry",
    "take_profit_2r": 2528.2404,
    "take_profit_3r": 2600.5605,
    "units": 1.38274
  },
  "risk": {
    "bars": 499,
    "best_bar_pct": 8.496,
    "current_drawdown_from_high_pct": -13.65,
    "cvar_95_per_bar_pct": 2.237,
    "cvar_99_per_bar_pct": 3.406,
    "max_drawdown_pct": -15.882,
    "method": "historical simulation on closed-candle simple returns; 1-day VaR scaled by sqrt(time); Sharpe/Sortino use a 0% risk-free rate",
    "period_return_pct": 27.347,
    "sharpe_annual": 2.4,
    "sortino_annual": 3.914,
    "var_95_1d_pct": 3.415,
    "var_95_per_bar_pct": 1.394,
    "var_99_1d_pct": 7.281,
    "var_99_per_bar_pct": 2.972,
    "volatility_annual_pct": 49.18,
    "worst_bar_pct": -4.03
  },
  "source": "hyperliquid",
  "sources_failed": [],
  "symbol": "ETH",
  "tier": "risk",
  "timeframe": "4h"
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.02.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.youraitools.co/tasignal/v1/risk?account_usd=10000&risk_pct=1&side=long&symbol=ETH&timeframe=4h'

# 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://api.youraitools.co/tasignal/v1/risk?account_usd=10000&risk_pct=1&side=long&symbol=ETH&timeframe=4h' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: pay and call
// 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 $0.02 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.02" });
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 $0.02 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.youraitools.co%2Ftasignal%2Fv1%2Frisk
const res = await pay("https://api.youraitools.co/tasignal/v1/risk?account_usd=10000&risk_pct=1&side=long&symbol=ETH&timeframe=4h");
console.log(res.status, await res.text());
Python: pay and call
# 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 $0.02 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.02"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://api.youraitools.co/tasignal/v1/risk?account_usd=10000&risk_pct=1&side=long&symbol=ETH&timeframe=4h")
    print(res.status_code, res.text)

Security scan

No findings

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Recent checks

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