---
title: "DVOL history"
method: GET
path: "/api/markets/options/{currency}/dvol"
tags: ["Crypto"]
---

# DVOL history

`GET /api/markets/options/{currency}/dvol`

## Request

- Base URL: `https://xoomar.com`
- URL: `https://xoomar.com/api/markets/options/{currency}/dvol`
- Auth: one of:
  - none
  - API key in header `x-api-key`

Hourly DVOL candles, newest first; history starts in 2021 and the free API returns the last six months. Docs: https://xoomar.com/markets/api/options

## Path parameters

- `currency` 'BTC' | 'ETH', required

## Query parameters

- `from` string
- `to` string

## Response `200`

OK

- object
  - `data` object
    - `currency` string: BTC or ETH
    - `candles` unknown[]: Hourly DVOL candles: ts, open, high, low, close
      - unknown
    - `canonicalUrl` string, uri: The matching page on xoomar.com
  - `updatedAt` string, date-time: When the response was built; a few dated feeds give the date of their newest row instead
  - `source` 'xoomar.com'
  - `docs` string
  - `license` string: Data terms
  - `attribution` string
  - `canonicalUrl` string, uri: The matching page on xoomar.com
  - `meta` object: Who publishes the data and how to credit it
    - `source` string: The publisher or publishers of the data, comma-separated
    - `sourceAttribution` string: The credit line to show wherever the data is displayed
    - `notice` string: Requests without a key only: the free key, app registration and the credit

## Other responses

- `404`: Unknown slug, ticker or country
- `429`: Rate limit: 10 requests a minute without a key, 30 with a free key

---

[API](https://skmtc.dev/xoomar/apis/xoomar-market-data-api.md) · [All operations](https://skmtc.dev/xoomar/apis/xoomar-market-data-api/llms.txt) · [OpenAPI document](https://skmtc.dev/xoomar/apis/xoomar-market-data-api/revisions/07b78401eaaa?raw)