{"uid":"cap_eU8CITfMs-B26Co1U2X0R","slug":"observer-btc-historical-regime-ledger-6a4872f3","name":"Observer BTC Historical Regime Ledger","description":"Historical Bitcoin BTC-USD market-regime and state-transition dataset in CSV for quantitative backtesting, strategy research, model evaluation, audit trails, and autonomous-agent decision traceability. Includes timestamps, price at signal, market state, phase, coherence, commitment, directional pressure, signal labels, readiness, and transition reason. Experimental analytics only; not financial advice.","url":"https://observer.137-184-67-179.sslip.io/paid/state-change-ledger","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":{"limit":{"type":"integer","maximum":1000,"minimum":1,"description":"Maximum number of CSV data rows returned. The header row is always included."}},"description":"Optional query parameters for the Observer state-change ledger.","additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"string","minLength":1,"description":"CSV dataset of timestamped BTC-USD market states, alert labels, pressure, readiness, state changes, and forward outcomes for backtesting and audit trails.","contentMediaType":"text/csv"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_YSJi8L4MAiDwjDnt9G0uR","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a CSV dataset of historical Bitcoin BTC-USD market regimes, state transitions, signals, and analytics for quantitative backtesting and research","exampleAgentPrompt":"Pull me the last 500 rows of the Observer BTC historical regime ledger — I need the timestamps, market states, directional pressure, and transition reasons in CSV format for my backtesting pipeline.","exampleUseCases":[{"title":"Backtesting a BTC regime strategy","prompt":"Download the last 1000 rows of the Bitcoin historical market regime ledger so I can backtest my trend-following strategy against real state-transition data."},{"title":"Auditing AI agent trade decisions","prompt":"Get the full Observer BTC state-change ledger with timestamps, signal labels, and transition reasons — I need to trace exactly which regime signals my trading agent acted on last quarter."},{"title":"Training a crypto market regime model","prompt":"Fetch me as many rows as possible from the Observer BTC historical regime dataset in CSV — I need coherence scores, commitment values, and directional pressure readings to train my market-phase classifier."}],"resultDescription":"A CSV file containing rows of historical BTC-USD market data, each with a timestamp, price at signal, market state, market phase, coherence score, commitment score, directional pressure value, signal label, readiness indicator, and transition reason. A header row is always included. The number of data rows is bounded by the optional limit parameter (max 1000).","failureModes":["limit parameter out of range (must be 1–1000) returns a 400-level error","payment not provided or insufficient (x402 payment required at $0.05 USDC) returns a 402 Payment Required","service unavailable or upstream data gap returns a 5xx error","empty dataset if no regime transitions have been recorded yet"],"whenToPreferThis":"Choose this endpoint when you need historical, timestamped BTC-USD market regime and state-transition data in a portable CSV format for offline backtesting, model training, audit trails, or quantitative research. Prefer it over live-signal endpoints when you need a stable historical snapshot rather than real-time analytics. It is especially useful for AI agents requiring decision traceability — mapping past signals to outcomes.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-16T00:33:26.665Z","isFirstParty":false}