{"uid":"cap_RREH_YbMMNPUxOmqKEx8l","slug":"coinank-open-interest-symbol-chart-154e82cc","name":"CoinAnk Open Interest Symbol Chart","description":"Backed by https://vergex.trade. Payment infrastructure for AI and APIs. One wallet. Pay per call or by actual usage.","url":"https://claw402.ai/api/v1/coinank/oi/symbol-chart?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":{"size":{"type":"string"},"type":{"type":"string"},"symbol":{"type":"string"},"endTime":{"type":"string"},"exchange":{"type":"string"},"interval":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"code":0,"data":[]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.002/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_8W7PKlsKf8S_or_UBRaRh","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches historical open interest chart data for a specific crypto symbol across exchanges, with configurable interval and time range.","exampleAgentPrompt":"Can you pull the open interest chart for BTCUSDT on Binance using a 1-hour interval for the last 100 data points from CoinAnk?","exampleUseCases":null,"resultDescription":"Returns a JSON object with code 0 and a data array containing time-series open interest chart values for the specified symbol, exchange, type, and interval.","failureModes":["Missing required symbol or method parameter returns error","Invalid exchange or interval value may return empty data array","Insufficient USDC balance or missing x402 payment header results in 402 Payment Required","Unknown symbol returns empty data array with code 0","Rate limiting or gateway errors from vergex.trade backend"],"whenToPreferThis":"Use this endpoint when you need historical or near-real-time open interest chart data for a specific crypto trading pair from CoinAnk, especially when you want to avoid API key registration and prefer paying per call with USDC via x402 protocol.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T12:37:17.939Z","isFirstParty":false,"canonicalSlug":"coinank-open-interest-symbol-chart-154e82cc"}