{"uid":"cap_b5VudNannTTx1uf142Em5","slug":"bitcoin-empty-block-anomaly-detector-chain-tip-5ff77766","name":"Bitcoin Empty Block Anomaly Detector (Chain Tip)","description":"Bitcoin empty bitcoin block anomaly check on chain tip. Validation-gated detector empty_block for forensic and monitoring agents. Cryptographically signed (Ed25519) — every response is independently verifiable via /.well-known/obol-pubkey.","url":"https://obol-x402.fly.dev/v1/btc/anomaly/empty-block/latest","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":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_YZh2wQ9OqXj4-DTmNa4Zr","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks the current Bitcoin chain tip for an empty block anomaly, returning a cryptographically signed forensic detection report.","exampleAgentPrompt":"Check the latest Bitcoin block on the chain tip for an empty block anomaly and tell me if anything suspicious is detected — include the cryptographically signed result.","exampleUseCases":null,"resultDescription":"Returns a signed (Ed25519) JSON report indicating whether the current Bitcoin chain tip block is empty, including the anomaly type label ('empty_block'), block height, detection status, and any forensic details. The signature is independently verifiable via the service's public key endpoint.","failureModes":["Payment not provided or invalid: 402 Payment Required","Bitcoin node temporarily unreachable: 503 Service Unavailable","Chain tip not yet synced: stale or delayed block data returned","Signature verification fails if public key endpoint is unavailable","Rate limiting or quota exceeded: 429 Too Many Requests"],"whenToPreferThis":"Choose this endpoint when you specifically need to detect whether the latest Bitcoin block is empty — a known anomaly indicating miners are skipping transactions. Prefer this over the general multi-anomaly detector when you only care about the empty block signal, want minimal payload, or are building a dedicated empty-block monitoring workflow. Useful for forensic agents, mining analysts, and on-chain watchdogs.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T17:29:27.696Z","isFirstParty":false}