{"uid":"cap_qEc61LIISJVa9bu7pGMyg","slug":"bitcoin-core-verifymessage-rpc-via-x402-7bedf78d","name":"Bitcoin Core verifymessage RPC via x402","description":"chainquery Bitcoin RPC: pay-per-call Bitcoin Core over x402, no API key. Verify a message signed by the private key behind a Bitcoin address. Bitcoin Core verifymessage.","url":"https://x402.chainquery.com/v1/rpc/verifymessage","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"params":{"type":"string","description":"optional: JSON-encoded array of positional RPC params"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"result":{"description":"verifymessage result"}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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_9bEUpLdQ8qKTcmFXhpjpp","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":"Verifies a message signed by the private key behind a Bitcoin address using Bitcoin Core's verifymessage RPC, accessed pay-per-call with no API key.","exampleAgentPrompt":"Can you verify whether the Bitcoin address 1A1zP1eP5QGefi2DMPTfTL5SLmv7Divf NA actually signed the message 'Hello world' with the signature HxTpDpOa3Uh6...?","exampleUseCases":null,"resultDescription":"Returns a boolean result indicating whether the provided signature is valid for the given message and Bitcoin address — true if the signature is authentic, false otherwise.","failureModes":["Invalid or malformed Bitcoin address returns an RPC error","Incorrect or malformed base64 signature returns false or RPC error","Missing required params (address, message, signature) causes a 400 or RPC error","Payment failure or insufficient USDC balance returns a 402 status","Malformed JSON in params query parameter causes a parsing error"],"whenToPreferThis":"Choose this endpoint when you need to cryptographically verify that a specific Bitcoin address owner signed a specific message, without needing your own Bitcoin node or API key — ideal for agent workflows that need trustless Bitcoin signature verification at low per-call cost via x402 micropayment.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:57:53.698Z","isFirstParty":false}