{"uid":"cap_CvkYapX2n4ag63_ipd4Vz","slug":"x402-crypto-market-brief-79a4a48f","name":"x402 Crypto Market Brief","description":"One-call crypto market brief: Fear & Greed, global market cap/dominance, top movers, trending coins and top DeFi fee earners. No params. 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I need the Fear & Greed classification and global market cap data so my trading agent can decide whether to be aggressive or conservative today."},{"title":"Daily newsletter market summary","prompt":"Get me a complete crypto market snapshot for today's newsletter — include the Fear and Greed score, top gainers and losers, trending coins, and the leading DeFi fee earners."}],"resultDescription":"A JSON object containing: Fear & Greed index value and classification (e.g. 'Greed'), global market stats including BTC dominance percentage and total market cap, top gaining and losing coins, trending cryptocurrency list, and top DeFi protocols ranked by fee revenue — all in a single response.","failureModes":["Payment failure if USDC balance is insufficient for the $0.01 per-call fee","503/timeout if upstream data providers (CoinGecko, etc.) are unavailable","Stale data if upstream sources haven't refreshed recently","Rate limiting if too many calls are made in a short window"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive crypto market overview in a single API call rather than assembling data from multiple endpoints. 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