Marketplace · API · x402
kronossignals.com/api/v1/volatility/btc
Realized volatility for 16 crypto assets (BTC/ETH/SOL/BNB/XRP/DOGE/ADA/AVAX/LINK/DOT/LTC/TRX/BCH/ATOM/NEAR/APT): 7-day, 30-day, and 90-day annualized realized vol using three estimators (close-to-close, Parkinson, Garman-Klass) from Binance daily OHLC closed candles only. Essential for risk management, position sizing, and options pricing. Pay-per-call via x402.
| Endpoint | https://kronossignals.com/api/v1/volatility/btc |
| Trust | ✓ Verified callable · 100% uptime over 1 checks · ~1118 ms |
| Pricing | Pay per call with x402, no account. Call it to get an exact quote before paying. |
| network | eip155:8453 |
| scheme | exact |
| pay to | 0x36038e1d712c5e39f35952164ec58ec2b96caee7 |
| method | GET |
| last updated | 2026-10-18T06:41:24.224Z |
Use it
Call it (an x402 client pays automatically)
curl -i https://kronossignals.com/api/v1/volatility/btc
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATUREThis listing as JSON
curl https://aipaygen.com/v1/catalog/api/x402-3304b7d0e7a4a6daSearch the whole marketplace from your agent (MCP)
{
"mcpServers": {
"aipaygen": {
"url": "https://aipaygen.com/mcp"
}
}
}