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mirrored listing x402 eip155:8453

Deribit DVOL index (30-day annualized implied volatility from the options order book) for

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.

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20000 (raw units)
price
1
calls / 30d
1
unique payers
2026-08-27
updated

Provider

data.greeneris.io · discovered, not yet claimed by its owner

Payment (x402 accepts[])

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x6ab8efe305cce67daa48c97bde29c04402822dff",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "20000",
    "maxTimeoutSeconds": 300
  }
]

Output schema

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "asset": "BTC",
          "window": "30d"
        },
        "type": "http"
      },
      "output": {
        "example": {
          "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
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET",
                "HEAD",
                "DELETE"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {
                "asset": {
                  "default": "BTC",
                  "description": "Underlying asset",
                  "enum": [
                    "BTC",
                    "ETH"
                  ],
                  "type": "string"
                },
                "window": {
                  "default": "30d",
                  "description": "Lookback window for percentile and range",
                  "enum": [
                    "7d",
                    "30d",
                    "90d"
                  ],
                  "type": "string"
                }
              },
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

Use it

curl

curl "https://data.greeneris.io/v1/vol/dvol"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://data.greeneris.io/v1/vol/dvol");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

Python

import httpx
res = httpx.get("https://data.greeneris.io/v1/vol/dvol")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header

Machine-readable

Everything on this page is also available as clean JSON at /resources/3940.json, and this resource appears in /discovery/resources and /discovery/search.