{"uid":"cap_ff6MU6EgFCOz4imJW3WV0","slug":"chainquery-decodepsbt-bitcoin-core-psbt-decoder-26f74f82","name":"chainquery decodepsbt — Bitcoin Core PSBT Decoder","description":"chainquery Bitcoin RPC: pay-per-call Bitcoin Core over x402, no API key. Decode a PSBT into readable JSON: inputs, outputs, scripts, and metadata. Bitcoin Core decodepsbt.","url":"https://x402.chainquery.com/v1/rpc/decodepsbt","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":"decodepsbt 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_hih4Qrr1QQ3-3wcx0jOfo","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":"Decodes a Base64-encoded PSBT (Partially Signed Bitcoin Transaction) into a human-readable JSON object with inputs, outputs, scripts, and metadata via Bitcoin Core's decodepsbt RPC","exampleAgentPrompt":"Can you decode this PSBT for me and show me all the inputs, outputs, and scripts in plain JSON? The PSBT is: cHNidP8BAHUCAAAAASaBcTce3/KF6Tet7qSze3gADAVmy7utpLZD2xErGPkAAAA...","exampleUseCases":null,"resultDescription":"A JSON object containing the fully decoded PSBT: an array of inputs (each with UTXOs, scripts, witness items, BIP32 derivation info, partial signatures), an array of outputs (with scripts and derivation paths), an estimated fee, and top-level metadata such as version and locktime — mirroring Bitcoin Core's decodepsbt RPC response.","failureModes":["Invalid or malformed Base64 PSBT string returns an RPC error","Missing required 'params' query parameter causes a bad request","Payment of $0.005 USDC not fulfilled causes 402 Payment Required before the call is processed","Non-PSBT data passed as param causes Bitcoin Core to return a parse error","Network or node unavailability returns a 5xx error"],"whenToPreferThis":"Use this endpoint when you need to inspect or audit a PSBT before signing or broadcasting — e.g. verifying inputs, outputs, and fee amounts in a multisig workflow. Prefer this over manual hex parsing when you need a structured JSON breakdown without running your own Bitcoin Core node. It requires no API key — just a micropayment via x402.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:34:12.644Z","isFirstParty":false}