{"uid":"cap_QPNX5XFIXrexhfPhlUdKd","slug":"horizonpulse-market-pulse-4a37c0a2","name":"HorizonPulse Market Pulse","description":"Pay-per-call APIs for AI agents via x402 on Base: web fetch, HTTP proxy, page extract, and crypto market data.","url":"https://horizonpulse.dev/api/pulse?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"required":{"type":"string"},"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"ok":true,"asOf":"2026-10-01T14:36:42.113Z","assets":{"BTC":{"id":"bitcoin","momentum":"neutral","priceUsd":84092.26,"change24hPct":0.4033218051910171},"ETH":{"id":"ethereum","momentum":"neutral","priceUsd":2695,"change24hPct":0.6776596460031482},"SOL":{"id":"solana","momentum":"neutral","priceUsd":117.79,"change24hPct":-0.8084210526315737}},"source":"coinbase","overall":{"signal":"hold","momentum":"neutral","sentiment":"neutral","avgChange24hPct":0.09085346618753054}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_1WDjSGHYsjsC81cx2EhRs","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns real-time BTC, ETH, and SOL spot prices along with momentum indicators, overall market sentiment, and a trading signal","exampleAgentPrompt":"What's the current market pulse for BTC, ETH, and SOL — give me their spot prices, momentum, sentiment, and whether the signal is bullish or bearish right now.","exampleUseCases":[{"title":"Morning crypto briefing for trader","prompt":"Before I start trading today, can you pull the latest HorizonPulse snapshot and tell me the spot prices, momentum, and overall signal for Bitcoin, Ethereum, and Solana?"},{"title":"Automated portfolio rebalancing trigger","prompt":"Check the current market sentiment and trading signal for BTC, ETH, and SOL — if the signal turns bearish I want to know so I can consider rebalancing my holdings."},{"title":"Crypto dashboard widget refresh","prompt":"Refresh the crypto market data for my dashboard — I need the latest BTC, ETH, and SOL prices along with their momentum and sentiment scores right now."}],"resultDescription":"A market snapshot object containing spot prices for BTC, ETH, and SOL sourced from CoinGecko, along with momentum metrics, an overall market sentiment score or label, and a directional trading signal (e.g. bullish/bearish/neutral).","failureModes":["CoinGecko upstream outage returns stale or unavailable data","Rate limiting may occur at high call volumes","Payment failure (x402) if USDC balance insufficient results in 402 response with no data","Empty or null signal if insufficient market data to compute momentum"],"whenToPreferThis":"Choose HorizonPulse when you need a pre-computed, opinionated market snapshot for the top three cryptocurrencies (BTC, ETH, SOL) in a single call — especially when you want momentum and sentiment signals already derived rather than raw OHLCV data. Prefer this over raw exchange APIs when you need a lightweight, low-cost pulse check rather than full order book or historical data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:30:40.716Z","isFirstParty":false,"canonicalSlug":"horizonpulse-market-pulse-4a37c0a2"}