{"uid":"cap_jH6u3OZoNQKk3mLDmw7dr","slug":"synthora-bitcoin-fee-estimator-ea691607","name":"SYNTHORA Bitcoin Fee Estimator","description":"SYNTHORA bitcoin-fees: Bitcoin fee tiers in sat/vB (fastest/half-hour/hour/economy/minimum) plus current block height. Source: mempool.space public API, keyless. Bitcoin only.","url":"https://api.hergertsynthora.com/v1/bitcoin-fees","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"input":{"type":"string"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.03","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":"$0.03/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_knMzCdshBswTaO7vinGeX","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns current Bitcoin transaction fee tiers (fastest/half-hour/hour/economy/minimum) in sat/vB plus current block height, sourced from mempool.space.","exampleAgentPrompt":"What are the current Bitcoin transaction fee tiers right now — specifically the fastest, half-hour, one-hour, economy, and minimum rates in sat/vB, plus the current block height?","exampleUseCases":[{"title":"Optimize Bitcoin withdrawal fee","prompt":"I need to send Bitcoin from my wallet — what fee rate should I use in sat/vB if I want it confirmed within the next 30 minutes?"},{"title":"Monitor mempool before large BTC transfer","prompt":"Before I move a large amount of Bitcoin, can you check the current mempool fees and tell me all available fee tiers so I can decide whether to send now or wait?"},{"title":"Embed live fees in trading dashboard","prompt":"Pull the latest Bitcoin fee tiers including fastest, hour, economy, and minimum sat/vB rates along with the current block height so I can display them on my dashboard."}],"resultDescription":"Returns a structured response containing Bitcoin fee rates in sat/vB for five confirmation speed tiers (fastest/half-hour/hour/economy/minimum) and the current Bitcoin block height, sourced live from mempool.space.","failureModes":["mempool.space upstream outage causing stale or missing fee data","network timeout if the upstream API is slow","invalid or malformed input may return an error","fees may lag real-time mempool conditions by a few seconds"],"whenToPreferThis":"Use this endpoint when you need a quick, keyless lookup of Bitcoin fee tiers across all confirmation speed categories without setting up your own mempool.space integration. Ideal for agents automating Bitcoin transactions, wallets, or dashboards that need current sat/vB rates without API key management.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:45:32.626Z","isFirstParty":false}