{"uid":"cap_euHDaLIrCe99Y2caPx_nv","slug":"payperbyte-crypto-regime-signal-4f112594","name":"PayPerByte Crypto Regime Signal","description":"BTC/ETH regime + realized-vol above/below call, 4h or 24h horizon. Signed EIP-712 delivery receipt, anchored on Base via EAS; scoring is a published deterministic rule against public Chainlink rounds, independently recomputable. Full method: https://x402.payperbyte.io/feeds","url":"https://x402.payperbyte.io/feeds/regime-signal","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"h":{"enum":[4,24],"type":"integer","description":"Horizon in hours — 4 or 24. rv_threshold/rv_call/confidence are computed against this SAME horizon's own non-overlapping window history; regime always uses trailing 24h data regardless of h."},"asset":{"enum":["BTC","ETH"],"type":"string","description":"The asset to classify. SOL is closed as an option: both Chainlink SOL/USD feeds on Base have an 86,400s heartbeat, unusable for 4h/24h windows."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_0EEd48aBWfzz4jUyxZhXC","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a BTC or ETH market regime classification (bull/bear/neutral) plus realized-volatility above/below call for a 4-hour or 24-hour horizon, delivered with a cryptographically signed EIP-712 receipt anchored on Base via EAS.","exampleAgentPrompt":"What's the current market regime for BTC on a 24-hour horizon — bull, bear, or neutral — and is realized vol above or below the threshold? I need it with the cryptographic attestation.","exampleUseCases":[{"title":"Pre-trade regime check for BTC bot","prompt":"Before my trading bot places a BTC position, can you get me the current 4-hour market regime signal for BTC along with whether realized volatility is above or below the call threshold?"},{"title":"ETH vol monitoring for options strategy","prompt":"I'm running an ETH options strategy and need to know whether ETH realized volatility is above or below the threshold on a 24-hour horizon — give me the regime classification and confidence score."},{"title":"Verifiable signal for compliance audit","prompt":"Pull me a cryptographically signed market regime signal for ETH on the 4-hour horizon — I need the EAS-attested payload so I can prove the signal source was independent and deterministically scored from Chainlink."}],"resultDescription":"A JSON payload containing the market regime label (e.g. bull/bear/neutral) for the requested asset and horizon, a realized-volatility above/below call, a confidence score, and an EIP-712 signed delivery receipt cryptographically anchored on the Base blockchain via Ethereum Attestation Service (EAS). The scoring is a deterministic, publicly auditable rule applied against Chainlink oracle rounds, independently recomputable by the caller.","failureModes":["Unsupported asset: SOL is explicitly closed (Chainlink feeds on Base have unusable heartbeat for 4h/24h windows); returns error if submitted","Invalid horizon: only 4 or 24 are valid values for h; other integers return a validation error","Payment failure: x402 micropayment of $0.02 USDC not settled; endpoint returns 402 Payment Required","Chainlink feed unavailability: if underlying oracle rounds are stale or unavailable, signal cannot be computed","Base network congestion: EAS attestation anchoring may be delayed or fail, impacting signed receipt delivery"],"whenToPreferThis":"Choose this endpoint when you need a cryptographically verifiable, independently auditable market regime and realized-volatility signal for BTC or ETH, particularly for agentic workflows that require provable data provenance (via EIP-712 + EAS on Base). Prefer it over generic price feeds when the use case demands on-chain attestation, when you need a structured bull/bear/neutral classification rather than raw prices, or when a 4h or 24h realized-vol call is specifically required. Not suitable for real-time tick data, order execution, or assets other than BTC/ETH.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:45:16.225Z","isFirstParty":false}