{"uid":"cap_KfZbrfmjzSchTnTdNs2hT","slug":"carbon-cashmere-mantis-realized-accuracy-signal-api-c0255307","name":"Carbon & Cashmere Mantis Realized Accuracy Signal API","description":"Professional crypto market intelligence. Real-time prices, signals, and market scoring.","url":"https://api.carbon-cashmere.de/v1/mantis-realized-accuracy/%7Basset%7D","method":"GET","headers":{},"bodySchema":null,"responseSchema":{"type":"json","example":{"asset":"AAVE","stats":{"hits":1256,"hit_rate":0.5322,"predicted_up":1183,"predicted_down":1188,"abs_return_4h_pct":{"p75":1.124,"p95":2.83,"median":0.5358},"predictions_total":2371,"predictions_classifiable":2360},"filter":{"lookback_days":30},"recent_samples":[{"ts":"2026-05-09T20:00:00Z","hit":1,"return_4h":0.00647,"price_at_pred":95.81,"price_4h_later":96.43,"multixsec_value":0.6234,"actual_direction":"up","predicted_direction":"up"}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/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_3cZNslIJPEFllYWyRtv2r","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns backtested signal accuracy statistics and recent prediction samples for a given crypto asset over the last 30 days, including hit rate, predicted directions, and 4-hour return distributions.","exampleAgentPrompt":"Pull the Carbon & Cashmere mantis realized accuracy stats for AAVE — I want to see the hit rate, how many predictions went up vs down, and the most recent sample predictions with actual versus predicted direction.","exampleUseCases":[{"title":"Validate BTC signal before trading","prompt":"Before I act on any signals today, pull the Carbon & Cashmere backtested accuracy stats for BTC over the last 30 days — I need to see the hit rate, how predictions broke down between up and down calls, and a few recent samples showing how the actual price moved versus what was predicted."},{"title":"Build ETH signal reliability dashboard","prompt":"Grab the Carbon & Cashmere signal accuracy stats for ETH so I can feed them into our reliability dashboard — I want the hit rate, total predictions, the p75 and p95 four-hour return percentiles, and the most recent prediction samples with timestamps and actual versus predicted directions."},{"title":"Compare SOL signal accuracy historically","prompt":"I'm evaluating whether the Carbon & Cashmere signals for SOL are worth relying on — pull the 30-day backtested stats including the hit count, what percentage of directional calls were correct, and show me a sample of recent predictions so I can see how well the model tracked actual price moves."}],"resultDescription":"A JSON object with the asset name, a stats block containing hit count, hit rate, predicted up/down counts, predictions total, classifiable prediction count, and abs_return_4h_pct percentiles (p75, p95, median), a filter block showing the 30-day lookback window, and an array of recent_samples each with timestamp, hit flag, 4h return, price at prediction, price 4h later, multixsec value, and actual/predicted direction labels.","failureModes":["Unknown or unsupported asset symbol returns 404 or empty data","Asset with insufficient prediction history returns minimal or null stats fields","Network timeout or service unavailability returns 5xx error","Payment not processed (x402 protocol failure) results in 402 Payment Required","Malformed asset path parameter returns 400 Bad Request"],"whenToPreferThis":"Use this endpoint when you need to audit or validate the historical accuracy of the Carbon & Cashmere directional signal for a specific crypto asset before acting on it, or when building a signal reliability dashboard. Prefer this over the full bundle endpoint when you specifically need backtested prediction stats and sample-level detail rather than live ML probabilities or regime scoring.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-08T18:45:02.795Z","isFirstParty":false}