{"uid":"cap_kwTv11OjqHXKqmDrrNpXa","slug":"api-cn402-com-e4ed8d7a","name":"I Ching Three-Coin Divination (Yi Jing Coin Oracle)","description":"I Ching three-coin method, 摇卦, coin oracle, Three Coin Yi Jing, 铜钱占卜, traditional I Ching divination, changing lines coin toss, 本卦变卦 original transformed hexagram. Simulate the traditional three-coin Yi Jing divination: 6 throws producing original hexagram + transformed hexagram with changing lines. Accepts payment on Base or Solana — either network works.","url":"https://api.cn402.com/iching/coin","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"seed":{"type":"string","description":"Seed (required)"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.08","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","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":"$0.08/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.08","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.08","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Y8PpeRRWE8BJ1vp2QV17l","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.08","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Simulates the traditional three-coin I Ching method to produce an original hexagram and transformed hexagram with changing lines from 6 coin throws","exampleAgentPrompt":"Do a traditional I Ching three-coin divination for me — cast the coins six times and give me the original hexagram and the transformed hexagram with any changing lines.","exampleUseCases":null,"resultDescription":"Returns a JSON object with 'original' hexagram object, 'transformed' hexagram object, and 'changingLines' array of integers indicating which lines (1-6) are changing lines resulting from old yin/yang throws","failureModes":["API returns 402 if payment is missing or insufficient (x402 protocol)","Network timeout if the service is temporarily unavailable","Malformed response if server-side coin simulation fails","Authentication or payment header errors returning 4xx status"],"whenToPreferThis":"Choose this endpoint when you need a stateless, server-side simulation of the classical three-coin Yi Jing method that returns both the original (本卦 BenGua) and transformed (变卦 BiangGua) hexagrams with changing lines — ideal for apps needing authentic traditional Chinese divination without implementing the coin-throw logic client-side. Prefer over the 'complete I Ching analysis' sibling endpoint when you only need the raw hexagram pair and changing lines without full textual interpretation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:30:20.459Z","isFirstParty":false}