Bitcoin & Ethereum market dominance API

Fetch CoinGecko /global and derive BTC & ETH market-cap dominance %, the altcoin share, total market cap & 24h volume, and a 24h dominance/market-cap trend verdict (rising/flat/falling). The value-add is the computed dominance + altcoin-share + trend, not a raw blob. Answers 'what is Bitcoin dominance right now', 'is BTC dominance rising', 'what share of the market is altcoins', 'total crypto market cap and trend'.

Price$0.01per request

MethodPOST

Route/v1/finance/crypto-dominance

StatusLive

MIME typeapplication/json

Rate limit60/minute

Cache3600s public

financecryptodominancebitcoinethereummarketcapaltcointrend

API URLhttps://x402.hexl.dev/v1/finance/crypto-dominance

Integration docs

Example request

{}

Example response

{
  "totalMarketCapUsd": 2500000000000,
  "total24hVolumeUsd": 90000000000,
  "btcDominancePct": 52.5,
  "ethDominancePct": 17.5,
  "btcEthDominancePct": 70,
  "altcoinSharePct": 30,
  "topCoinsTrackedPct": 70,
  "marketCapChange24hPct": 3.1,
  "trend": "rising"
}

Input schema

{
  "type": "object",
  "additionalProperties": false,
  "properties": {}
}

Output schema

{
  "type": "object",
  "additionalProperties": true
}