$0.02
per call · USD Coin on Base
Deribit DVOL index (30-day annualized implied volatility from the options order book) for BTC or ETH, delivered as a risk signal: current level, 24h change, and min/max/percentile over a lookback window. Query: ?asset=BTC|ETH&window=7d|30d|90d (defaults BTC, 30d). JSON, 5min cache. Derived from Deribit public volatility-index candles.
Endpoint
GET https://data.greeneris.io/v1/vol/dvol1
Calls / 30d
1
Unique payers / 30d
Aug 27
Last called
exact
Payment scheme
Call this service
import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";
const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);
const res = await fetchWithPay("https://data.greeneris.io/v1/vol/dvol", {
method: "GET",
});
const data = await res.json();curl -X GET \
"https://data.greeneris.io/v1/vol/dvol?asset=BTC&window=30d" \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"as_of": "2026-07-13T10:00:00+00:00",
"asset": "BTC",
"change_24h": -0.33,
"dvol": 38.14,
"source": "Deribit DVOL implied volatility index (public API, 30-day annualized IV)",
"window": "30d",
"window_max": 53.19,
"window_min": 36.13,
"window_percentile": 4.6
}Payment details
0x6ab8efe305cce67daa48c97bde29c04402822dffUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
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