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CoinMarketCap API: Get Fear and Greed Index

Returns the current crypto Fear and Greed Index with yesterday, last week and last month comparisons, plus total crypto market size, BTC and ETH dominance from CoinMarketCap.

coinmarketcap.com (opens in a new tab)Version 1ReadNo sign-inVerified Nov 2, 2026

Unofficial. Not affiliated with or endorsed by CoinMarketCap.

Inputs

This method takes no input.

Output

From a run on Oct 23, 2026.
{  "currency": "USD",  "page_url": "https://coinmarketcap.com/charts/fear-and-greed-index/",  "index_label": "Neutral",  "index_value": 48,  "last_week_value": 50,  "yesterday_value": 48,  "index_updated_at": "2026-10-23T07:53:10Z",  "last_month_value": 74,  "total_market_cap_usd": 2732028899220.677,  "total_volume_24h_usd": 70877827969.96,  "bitcoin_dominance_percent": 59.984745021747,  "ethereum_dominance_percent": 10.72936412948,  "total_market_cap_change_24h_percent": -0.5958}
Price
1 credit per completed run (1¢ with pay as you go); failed runs are free.
Method
coinmarketcap.com/get_fear_and_greed_index
Returns
index value and label, past comparisons, market cap, 24h volume, dominance, update time

Use it from your agent

Give your agent this line. It reads SKILL.md, gets a Fous API key and connects the Fous MCP server. Its run then takes the method coinmarketcap.com/get_fear_and_greed_index; it needs no input.

Ask your agent

  • What is the crypto Fear and Greed Index reading right now, and how does it compare to yesterday, last week, and last month?
  • Show me today's crypto market sentiment score along with its label, like Fear, Neutral, or Greed.
  • Can you check the total cryptocurrency market cap, 24-hour trading volume, and current Bitcoin and Ethereum dominance percentages on CoinMarketCap?
  • I want to know whether investors are feeling greedy or fearful in crypto today, and when that index was last updated.
  • Give me a snapshot of the overall crypto market: sentiment index value, total market capitalization, BTC dominance, and ETH dominance.
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    coinmarketcap.com/get_coin_price
  • Lists the largest cryptocurrencies on CoinMarketCap ranked by market cap. Each coin comes with its price, changes, volume and supply in the chosen currency.

    coinmarketcap.com/list_top_coins
  • Lists the largest price rises and falls among CoinMarketCap's top 100 coins with over $50,000 in 24-hour volume, for a chosen period.

    coinmarketcap.com/list_gainers_and_losers
  • Gets a cryptocurrency's price, 24-hour change, market statistics, popularity, tradability, description and website from its public Coinbase price page.

    coinbase.com/get_coin_overview
  • Gets a coin's price, market cap and 24-hour volume at 00:00 UTC on a past date. Non-USD currencies are available only for the last 365 days.

    coingecko.com/get_coin_price_on_date
  • Gets a coin's daily prices and price change over the last 7, 30, 90 or 365 days, with UTC dates. Today's price may change.

    coingecko.com/get_coin_price_history
  • Lists up to 15 of the most-searched coins on CoinGecko in trending order, with price and 24-hour change in the chosen currency. Non-USD prices may be unavailable for some coins.

    coingecko.com/list_trending_coins
  • Gets a coin's current Kraken price, bid and ask, and 24-hour trading statistics in a chosen currency, with change since today's midnight UTC open.

    kraken.com/get_coin_price