{"uid":"cap_TDq745vkDvT0LtAOsh2_D","slug":"2s-io-bitcoin-address-summary-03d6d329","name":"2s.io Bitcoin Address Summary","description":"Bitcoin address summary (free/keyless): confirmed balance (sats + BTC), total received/sent, transaction count, funded/spent output counts, and pending mempool balance + tx count. Works for any BTC address (legacy, SegWit, Taproot). Net-new — our on-chain reads were EVM-only.","url":"https://2s.io/api/crypto/btc-address","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","queryParams"],"properties":{"type":{"const":"http"},"method":{"const":"GET"},"queryParams":{"type":"object","required":["address"],"properties":{"address":{"type":"string","maxLength":100,"minLength":20,"description":"Bitcoin address (1.../3.../bc1...)."}},"additionalProperties":false}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0036","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":"$0.0036/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0036","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0036","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ng_EBl1TTaX3-gORxelHK","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0036","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns confirmed balance, total received/sent, transaction count, and pending mempool data for any Bitcoin address (legacy, SegWit, or Taproot)","exampleAgentPrompt":"What's the confirmed BTC balance and total number of transactions for Bitcoin address bc1qxy2kgdygjrsqtzq2n0yrf2493p83kkfjhx0wlh? Also tell me if there's anything pending in the mempool.","exampleUseCases":null,"resultDescription":"Returns a JSON object with the Bitcoin address's confirmed balance in both satoshis and BTC, total amounts received and sent, transaction count, number of funded and spent outputs, and any pending mempool balance and transaction count.","failureModes":["Invalid or malformed Bitcoin address returns an error","Address string shorter than 20 or longer than 100 characters rejected by schema validation","Network timeout or upstream blockchain node unavailability","Address with no transaction history may return zero values","Payment failure (x402) if USDC balance is insufficient"],"whenToPreferThis":"Use this endpoint when you need a comprehensive on-chain summary of a Bitcoin address including balance, transaction history counts, and mempool status — especially when your existing on-chain reads are EVM-only and you need BTC coverage. Covers all address formats: legacy (1...), P2SH (3...), native SegWit (bc1q...), and Taproot (bc1p...).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T01:02:56.658Z","isFirstParty":false}