XOOMAR Crypto API

Crypto derivatives and on-exchange data

Operations 15

GET /api/markets/funding-rates Perpetual funding rates, all tracked symbols on five venues #
GET /api/markets/funding-rates/{slug} One symbol's funding on every venue, with history #
GET /api/markets/open-interest/{slug} Hourly open interest history #
GET /api/markets/liquidations 24-hour liquidation summary #
GET /api/markets/liquidations/recent Individual liquidation events, newest first #
GET /api/markets/liquidations/history Hourly liquidation totals #
GET /api/markets/options/{currency} Deribit options metrics #
GET /api/markets/options/{currency}/dvol DVOL history #
GET /api/markets/whales Largest Hyperliquid whale positions #
GET /api/markets/whales/{coin} Whale positions in one coin #
GET /api/markets/sentiment Latest sentiment scores for every tracked asset #
GET /api/markets/sentiment/{slug} Sentiment history for one asset #
GET /api/markets/signals/{slug} Composite reading for one asset #
GET /api/markets/etf-flows Spot BTC and ETH ETF flows and holdings #
GET /api/markets/symbols Tracked crypto symbols and each venue's instrument id #

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OpenAPI Specification

xoomar-com-crypto-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: XOOMAR market data Crypto API
  version: '2026-09-15'
  summary: 'Free market data from primary sources: SEC, FINRA, CFTC, the Federal Reserve, Treasury, BLS/BEA/Census and the exchanges.'
  description: 'JSON and CSV over plain GET. Every response carries the same envelope: data, updatedAt, source, docs, license, attribution and meta, whose sourceAttribution line credits the publisher of the data. No key needed to start: 10 requests a minute per IP without a key and 30 a minute with a free account key, with at least six months of history. Data terms: https://xoomar.com/terms. Credit XOOMAR with a link to the dataset page when you republish the data.'
  termsOfService: https://xoomar.com/terms
  contact:
    name: XOOMAR
    url: https://xoomar.com/developers
    email: info@xoomar.com
  license:
    name: XOOMAR data terms
    url: https://xoomar.com/terms
servers:
- url: https://xoomar.com
tags:


# --- truncated at 32 KB (74 KB total) ---
# Full source: https://artifacts.apis.io/xoomar-com/openapi/xoomar-com-crypto-api-openapi.yml