{"uid":"cap_CW5qIZqxV-i27m3FY8Xvc","slug":"carbon-cashmere-oracle-consensus-eth-3-way-price-aggregation-098a5d72","name":"Carbon & Cashmere Oracle Consensus (ETH) — 3-Way Price Aggregation","description":"Professional crypto market intelligence. Real-time prices, signals, and market scoring.","url":"https://api.carbon-cashmere.de/v1/oracle-consensus-3way/ETH","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"coin":"BTC","sources":[{"ts":"2026-05-09T21:31:56Z","name":"DIA","price":80790.02},{"ts":"2026-05-09T21:25:03Z","name":"Pyth","price":80785.39,"confidence":19.22},{"ts":"2026-05-09T21:25:00Z","name":"CoinGecko","price":80812}],"consensus":{"outlier":{"name":"CoinGecko","deviation_pct":0.027,"deviation_abs_usd":21.98},"mean_usd":80795.8,"median_usd":80790.02,"max_spread_pct":0.033},"pairwise_spreads":[{"a":"DIA","b":"Pyth","spread_pct":0.0057},{"a":"DIA","b":"CoinGecko","spread_pct":-0.0272},{"a":"Pyth","b":"CoinGecko","spread_pct":-0.0329}]}},"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":"down","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_rJRzyyWAzzbm549D4vpi1","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":"Fetches a 3-way oracle consensus price for ETH, aggregating DIA, Pyth, and CoinGecko with spread analysis and outlier detection.","exampleAgentPrompt":"Pull the 3-way oracle consensus price for ETH right now — I want to see the mean, median, and whether any of the sources like CoinGecko or Pyth is an outlier with significant deviation.","exampleUseCases":[{"title":"Detect oracle divergence before settlement","prompt":"Before we settle this DeFi position, check if DIA, Pyth, and CoinGecko are all in agreement on the ETH price — flag anything if one of them is deviating more than a percentage or two from the consensus."},{"title":"Arbitrage signal from oracle spread","prompt":"Is there a meaningful spread between the three ETH oracles right now? I want to know the pairwise differences between DIA, Pyth, and CoinGecko — if any pair is diverging significantly, that could be an arbitrage signal worth acting on."},{"title":"Trustworthy ETH reference price display","prompt":"I need a reliable ETH price to show users on our dashboard — pull the multi-oracle consensus so I'm not relying on just one source, and let me know if any of the three is an outlier I should ignore."}],"resultDescription":"Returns a JSON object with per-source prices (DIA, Pyth, CoinGecko) and timestamps, a consensus block with mean, median, max spread percentage, and any identified outlier with its deviation in percent and USD, plus pairwise spread percentages between all three source pairs.","failureModes":["One or more oracle sources unavailable — partial result or error returned","Coin symbol not supported — 404 or empty response","Payment not provided or insufficient — 402 Payment Required","Rate limit exceeded — 429 response","Network timeout from upstream oracle — stale or missing data"],"whenToPreferThis":"Use this endpoint when you need a cross-validated ETH spot price with built-in outlier detection and spread analysis across three independent oracles (DIA, Pyth, CoinGecko). Prefer it over single-source price feeds when data integrity and oracle divergence detection matter, such as in DeFi risk checks, arbitrage detection, or when a trustworthy reference price is needed for settlement or display.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:57:12.465Z","isFirstParty":false}