the402 endpoint detail

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regimeshift.xyz btc vrp

https://regimeshift.xyz/api/v1/asset/btc/vrp

payable

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.

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.001
Network
base
Pay to
0x82B17D0bb4De9ae6c3491257B60E8245e70acd7B
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
517 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:08:47.955Z (1d ago)
Category
data

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fregimeshift.xyz%2Fapi%2Fv1%2Fasset%2Fbtc%2Fvrp"