$0.001
per call · USD Coin on Base
BTC Volatility Risk Premium — DVOL minus Parkinson realized vol (72h). Positive = sell-vol opportunity, negative = buy-vol. Response includes regime classification (LOW/MID/HIGH), raw inputs for audit (DVOL, RV_72h, RV_6h, spot), timestamp, and open methodology URL.
Endpoint
GET https://regimeshift.xyz/api/v1/asset/btc/vrp129
Calls / 30d
13
Unique payers / 30d
Sep 9
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://regimeshift.xyz/api/v1/asset/btc/vrp", {
method: "GET",
});
const data = await res.json();curl -X GET \
"https://regimeshift.xyz/api/v1/asset/btc/vrp" \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"asset": "ETH",
"cache_ttl_sec": 60,
"computed_at": 1779284275,
"inputs": {
"dvol": 52.58,
"rv_6h": 40.204,
"rv_72h": 52.4275,
"source": "Deribit public API (DVOL + ETH-PERPETUAL OHLC)",
"spot_usd": 2130.2,
"timestamp": "2026-05-20T14:00:00+00:00"
},
"methodology": "https://regimeshift.xyz/methodology/vrp-v1",
"ok": true,
"quiet": true,
"regime": "MID",
"vrp": 0.1525
}Payment details
0x82b17d0bb4de9ae6c3491257b60e8245e70acd7bUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
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