{"uid":"cap_PWoKfYP7AOp6QaOHIKG8n","slug":"btc-network-fees-api-x402-pay-per-call-741cdc0a","name":"BTC Network Fees API (x402 Pay-Per-Call)","description":"66 pay-per-call APIs: AI text/image generation ($0.01), Polymarket odds, crypto prices, DeFi yields, FX rates, weather, IP/geo, FBI wanted, SEC tickers, clinical trials, 250M academic papers, Stack Overflow, meme-coin launchpads (pump.fun, Clanker, Four.meme, SunPump), tokenized stocks, Solana top 100, and 40+ more. $0.005/call standard. USDC on Base and Solana via x402.","url":"https://workspace-x402-paywall.onrender.com/btc/fees?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"object"},"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_0s5IWW_ZZ3IOzCDC8pIhR","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 current Bitcoin network fee estimates via a pay-per-call endpoint requiring $0.005 USDC payment via x402 on Base or Solana mainnet.","exampleAgentPrompt":"What are the current Bitcoin network fees? I need the recommended sat/vbyte rates for low, medium, and high priority transactions — pay the $0.005 USDC fee via x402 to get the live data.","exampleUseCases":[{"title":"Transaction fee optimizer for wallet app","prompt":"Check the current BTC network fees so I can decide whether to send this Bitcoin now or wait for congestion to drop — I need the low, medium, and high priority rates."},{"title":"DeFi bot pre-flight fee check","prompt":"Before my Bitcoin transaction goes out, grab the latest network fee estimates so the bot can pick the right sat/vbyte rate to confirm within the next block."},{"title":"Crypto portfolio dashboard fee widget","prompt":"Pull the current Bitcoin transaction fees for my dashboard — I want to show users real-time low, medium, and high priority fee rates right now."}],"resultDescription":"Returns a JSON object containing current Bitcoin network fee estimates, likely including fee rates in sat/vbyte for different confirmation speed tiers (e.g. slow, average, fast/high priority). Specific fields can be filtered using the optional comma-separated 'fields' query parameter.","failureModes":["Payment not received or malformed x402 payment header returns 402 Payment Required","Invalid 'fields' parameter value may return an error or be ignored","Service may be unavailable on the Render free tier (cold start delays or downtime)","Stale fee data if the underlying BTC mempool data source is lagging","No response schema guaranteed — output structure may change without notice"],"whenToPreferThis":"Use this endpoint when you need a quick, cheap ($0.005 USDC) pay-per-call Bitcoin fee lookup without committing to a subscription-based API. Ideal for AI agents operating in x402-enabled payment flows on Base or Solana mainnet that need on-demand BTC fee data without managing API keys.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T18:44:04.307Z","isFirstParty":false,"canonicalSlug":"btc-network-fees-api-x402-pay-per-call-741cdc0a"}