{"uid":"cap_fiolRoU536qFN-xTYQMaa","slug":"carbon-cashmere-eth-orderbook-signal-api-c0139cfc","name":"Carbon & Cashmere ETH Orderbook Signal API","description":"Professional crypto market intelligence. Real-time prices, signals, and market scoring.","url":"https://api.carbon-cashmere.de/v1/orderbook/ETH","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"coin":"BTC","spread_bps":0.8,"ask_wall_ratio":1.1,"bid_wall_ratio":2.3,"bid_ask_imbalance":0.15}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ZD6VJabDiJoPXouvMK-vd","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns real-time ETH orderbook intelligence including spread in basis points, bid/ask wall ratios, and bid-ask imbalance for market microstructure analysis.","exampleAgentPrompt":"What does the ETH orderbook look like right now — specifically the spread in basis points, how big the bid and ask walls are relative to each other, and whether there's a significant bid-ask imbalance?","exampleUseCases":null,"resultDescription":"A JSON object with the coin symbol (ETH), spread in basis points (spread_bps), ask wall ratio (ask_wall_ratio), bid wall ratio (bid_wall_ratio), and bid-ask imbalance score — providing a snapshot of ETH orderbook microstructure at the time of the call.","failureModes":["ETH orderbook data unavailable or exchange feed down — may return error or stale data","Rate limit exceeded if too many calls in rapid succession","Malformed response if upstream liquidity source is temporarily unreachable","Invalid coin path returns 404 or empty response"],"whenToPreferThis":"Use this endpoint when you need real-time ETH-specific orderbook microstructure metrics such as spread, wall ratios, and imbalance — particularly for short-term trading signal generation, market depth monitoring, or detecting large buy/sell pressure events. Prefer this over generic price APIs when orderbook structure (not just price) is needed.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-03T05:29:13.311Z","isFirstParty":false}