{"uid":"cap_AsI8mXpKmQSYg9bND9W5A","slug":"x402-bitcoin-dominance-api-4a109b67","name":"x402 Bitcoin Dominance API","description":"Paid API endpoints for prices, weather, FX, news, gas, dominance, fear/greed, ATH, and more","url":"https://x402-api-production-bd43.up.railway.app/dominance?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"format":{"type":"string","description":"Response format (default: percent)"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_aLxmHzhkZyPDIzXdHHqUK","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns Bitcoin's current market dominance as a percentage of total crypto market capitalization","exampleAgentPrompt":"What's Bitcoin's current market dominance percentage — can you grab the live BTC dominance data for me?","exampleUseCases":[{"title":"Crypto portfolio rebalancing trigger","prompt":"Check Bitcoin's current market dominance percentage — if it's above 55% I want to shift more of my portfolio into BTC."},{"title":"Altcoin season detection","prompt":"What's BTC dominance sitting at right now? I'm trying to figure out if we're in altcoin season or if Bitcoin is still taking the lion's share of the market."},{"title":"Trading strategy dashboard widget","prompt":"Pull the latest Bitcoin dominance figure for my market dashboard — I need it as a percentage so I can track the trend over time."}],"resultDescription":"Returns Bitcoin's current dominance as a percentage of total crypto market capitalization (e.g. 52.4%). The format parameter can adjust the response format, defaulting to percent. Response is a lightweight JSON payload with the current dominance value.","failureModes":["Network or upstream data source unavailability returning 5xx errors","Payment failure if USDC balance is insufficient for the $0.01 per-call fee","Invalid format parameter value returning a 400 error","Rate limiting or quota exceeded on the Railway-hosted service"],"whenToPreferThis":"Choose this endpoint when you need a quick, low-cost ($0.01 USDC) real-time Bitcoin dominance figure without requiring a full exchange API integration or CoinMarketCap/CoinGecko account. Ideal for lightweight agents that need a single dominance datapoint for trading signals, dashboards, or market condition checks. The x402 micropayment model makes it suitable for pay-per-call agent workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T12:32:25.325Z","isFirstParty":false,"canonicalSlug":"x402-bitcoin-dominance-api-4a109b67"}