{"uid":"cap_2QjnwczoKwNV5KB_Ml-P_","slug":"central-bank-dark-energy-tracer-eca57a87","name":"Central Bank Dark Energy Tracer","description":"Central Bank Dark Energy Tracer ($0.10): Tracks total global liquidity using a wide range of central bank data.","url":"https://darklyenergized.com/api/v1/x402/series/cbdet?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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"],"type":"string"},"queryParams":{"type":"object","properties":{"to":{"type":"string","format":"date","description":"End date (YYYY-MM-DD)"},"from":{"type":"string","format":"date","description":"Start date (YYYY-MM-DD)"},"after":{"type":"string","format":"date","description":"Return points after this date (meta.pagination.cursor)"},"limit":{"type":"integer","default":500,"maximum":10000,"minimum":1,"description":"Most data points to return, oldest first"},"summary":{"type":"boolean","default":false,"description":"Return a statistical summary instead of the data points"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","oneOf":[{"type":"object","required":["data","meta"],"properties":{"data":{"type":"object","required":["id","name","description","category","frequency","data"],"properties":{"id":{"type":"string"},"data":{"type":"array","items":{"type":"object","required":["time","value"],"properties":{"time":{"type":"string","format":"date","example":"2026-02-14"},"value":{"type":["number","null"],"example":1.23,"description":"Null where the series has no value on that date (for example while a computed series warms up)."}}}},"name":{"type":"string"},"unit":{"type":"string"},"category":{"type":"string"},"frequency":{"type":"string"},"description":{"type":"string"}}},"meta":{"type":"object","required":["timestamp"],"properties":{"count":{"type":"integer"},"dataRange":{"type":"object","properties":{"to":{"type":"string","format":"date"},"from":{"type":"string","format":"date"}}},"freshness":{"type":"object","properties":{"isStale":{"type":"boolean"},"frequency":{"type":"string"},"lastObservation":{"type":"string","format":"date"}}},"timestamp":{"type":"string","format":"date-time"},"pagination":{"type":"object","properties":{"total":{"type":"integer"},"cursor":{"type":"string"},"hasMore":{"type":"boolean"}}}}}}},{"type":"object","required":["data","meta"],"properties":{"data":{"type":"object","required":["id","name","description","summary","interpretation"],"properties":{"id":{"type":"string"},"name":{"type":"string"},"unit":{"type":"string"},"summary":{"type":"object","required":["latest","changes","range","count","dateRange"],"properties":{"count":{"type":"integer"},"range":{"type":"object","properties":{"avg":{"type":["number","null"]},"max":{"type":["number","null"]},"min":{"type":["number","null"]}}},"latest":{"type":"object","properties":{"time":{"type":"string","format":"date"},"value":{"type":["number","null"]}}},"changes":{"type":"object","example":{"1M":-3.1,"1W":5.2,"1Y":15.3,"3M":12.4,"6M":-8.7},"description":"Percent changes for standard periods; null where the series has too little data for that period","additionalProperties":{"type":["number","null"]}},"dateRange":{"type":"object","properties":{"to":{"type":"string","format":"date"},"from":{"type":"string","format":"date"}}}}},"category":{"type":"string"},"frequency":{"type":"string"},"description":{"type":"string"},"interpretation":{"type":"string","example":"Federal Reserve Total Assets is at 6.78T, up 0.3% this week. All Federal Reserve Banks: Total Assets."}}},"meta":{"type":"object","required":["timestamp"],"properties":{"count":{"type":"integer"},"dataRange":{"type":"object","properties":{"to":{"type":"string","format":"date"},"from":{"type":"string","format":"date"}}},"freshness":{"type":"object","properties":{"isStale":{"type":"boolean"},"frequency":{"type":"string"},"lastObservation":{"type":"string","format":"date"}}},"timestamp":{"type":"string","format":"date-time"},"pagination":{"type":"object","properties":{"total":{"type":"integer"},"cursor":{"type":"string"},"hasMore":{"type":"boolean"}}}}}}}]}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","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":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_frhJrD5OYRiWW1MRwAhH4","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a time series of aggregated total global central bank liquidity (Dark Energy) across major central banks, with optional date filtering and statistical summaries.","exampleAgentPrompt":"Pull me the Central Bank Dark Energy Tracer series from January 1 2020 to today — I want to see how total global central bank liquidity has evolved over that period, up to 1000 data points.","exampleUseCases":[{"title":"Macro liquidity regime dashboard","prompt":"Get the full Central Bank Dark Energy Tracer series from 2015-01-01 to today so I can chart how global central bank liquidity has expanded and contracted across different macro regimes."},{"title":"Recent CB liquidity summary for report","prompt":"Give me a statistical summary of the global central bank dark energy index for the past 12 months — I need the high, low, and average to include in my quarterly macro report."},{"title":"Monitor liquidity trend since Fed pivot","prompt":"Fetch the Central Bank Dark Energy Tracer data starting from 2022-06-01 through 2024-12-31, limited to 500 points, so I can see how total global CB liquidity changed after the Fed began hiking rates."}],"resultDescription":"Returns a structured object containing the series ID, name, description, category, frequency, and unit, along with an array of date-value pairs representing total aggregated global central bank liquidity over the requested period. Also includes metadata with record count, data range, freshness indicators (staleness flag, last observation date, update frequency), and pagination cursor for fetching subsequent pages. Optionally returns a statistical summary instead of raw data points.","failureModes":["Invalid date format for 'from' or 'to' parameters returns a 400 error","'limit' value exceeding 10000 is rejected","Payment not provided or insufficient — 402 Payment Required","'after' cursor is invalid or expired — may return empty or unexpected results","Service may return null values for dates where the computed series has not yet warmed up","Stale data if underlying central bank sources have not published recent figures"],"whenToPreferThis":"Choose this endpoint when you need a single, unified aggregate time series of total global central bank liquidity across all major central banks (Fed, ECB, BoJ, PBoC, BoE, SNB, BoC, BoK), rather than fetching and summing individual central bank series manually. It is ideal for macro analysis, liquidity regime tracking, and building dashboards that need a pre-computed global aggregate. If you need bar-by-bar changes rather than levels, use the companion Dark Energy Oscillator endpoint instead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T07:17:59.494Z","isFirstParty":false,"canonicalSlug":"central-bank-dark-energy-tracer-eca57a87"}