{"uid":"cap_TsLw7L01uPcY4RbwJDbw0","slug":"carbon-cashmere-btc-anomaly-detection-api-f05f1f58","name":"Carbon & Cashmere BTC Anomaly Detection API","description":"Professional crypto market intelligence. Real-time prices, signals, and market scoring.","url":"https://api.carbon-cashmere.de/v1/anomaly/BTC","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"_meta":{"disclaimer":"Informational research data only — not investment advice."},"symbol":"BTC","methods":{"stl":{"residual_z":2.1,"seasonal_strength":0.34},"zscore":{"volume_z":3.1,"funding_z":-1.2,"returns_z":2.8},"isoforest":{"score":-0.18,"is_outlier":true}},"severity":"elevated","top_drivers":[{"value":3.1,"feature":"volume_z","contribution":0.42}],"anomaly_flag":true,"anomaly_score":0.73}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.01/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_PjyC2_Bseh9m5OR4-2J38","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Detects statistical anomalies in BTC market data using STL decomposition, z-score analysis, and Isolation Forest, returning a composite anomaly score and severity rating.","exampleAgentPrompt":"Is Bitcoin showing any market anomalies right now? I want to see the anomaly score, severity level, and the top drivers — like whether volume or funding rates look statistically out of range.","exampleUseCases":[{"title":"BTC anomaly alert for trading bot","prompt":"Before my trading bot executes the next BTC position, check if Bitcoin is showing any statistically unusual behavior right now — I want the anomaly score, severity rating, and the top contributing factors like volume or funding rate outliers so I can decide whether to pause trading."},{"title":"Daily Bitcoin market health check","prompt":"Run me a quick anomaly check on Bitcoin for today — is anything statistically off compared to historical patterns? Give me the composite score, severity level, and let me know if volume, returns, or funding rates are the main drivers."},{"title":"Detect unusual BTC funding rate spikes","prompt":"I'm seeing some weird funding rate movements in BTC and want to know if they're statistically significant. Can you pull the anomaly detection for Bitcoin and tell me whether funding rates are flagged as outliers and how severe the overall signal looks?"}],"resultDescription":"Returns a JSON object with an anomaly_flag (boolean), anomaly_score (0-1 float), severity label (e.g. 'elevated'), STL decomposition residuals and seasonal strength, z-scores for volume/funding/returns, an Isolation Forest outlier score and flag, and a ranked list of top contributing features with their contribution weights. Includes a disclaimer that data is for informational/research use only.","failureModes":["Invalid or unsupported symbol returns an error","Payment not included or insufficient USDC (x402 payment required) results in 402 response","Network timeout if upstream market data feeds are delayed","Malformed request returns 400 bad request"],"whenToPreferThis":"Use this endpoint when you need a multi-method statistical anomaly assessment for BTC specifically — combining STL decomposition, z-score analysis across volume/funding/returns, and Isolation Forest ML scoring into a single composite result. Prefer this over simple price feeds when you need to detect whether current market behavior is statistically abnormal relative to historical patterns.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:44:43.028Z","isFirstParty":false}