{"uid":"cap_EuhfUdc0OKu8dyogGP9A3","slug":"api-cn402-com-7cd4163c","name":"Personal Biorhythm Calculator","description":"Biorhythm, personal biorhythm, 生物节律, physical emotional intellectual cycles, 23 28 33 day cycles, circadian fluctuation, personal energy chart, 西方生物钟, personal performance cycle. Compute personal biorhythm (physical 23-day, emotional 28-day, intellectual 33-day) from birth date for a target date.","url":"https://api.cn402.com/fengshui/biorhythm","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"on":{"type":"string","description":"On (optional)"},"birth":{"type":"string","description":"Birth (optional)"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.016","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":"$0.016/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.016","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.016","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_oIW2qzqIdyzOF1zC5SIAY","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.016","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes the physical (23-day), emotional (28-day), and intellectual (33-day) biorhythm cycle values for a person on a given date based on their birth date.","exampleAgentPrompt":"What are my biorhythm readings today — physical, emotional, and intellectual — if I was born on March 15, 1990? Check for today's date.","exampleUseCases":null,"resultDescription":"Returns the current phase and numerical value for each of the three biorhythm cycles (physical 23-day, emotional 28-day, intellectual 33-day) for the given birth date and target date, indicating whether each cycle is at a peak, low, or mid-point.","failureModes":["Missing or invalid birth date returns a 400 error","Missing or invalid target date returns a 400 error","Date format mismatch causes parsing failure","Birth date in the future may return an error or nonsensical result","Payment not fulfilled returns 402 Payment Required"],"whenToPreferThis":"Use this endpoint when you need to compute Western-style personal biorhythm cycles (physical/emotional/intellectual) from a birth date. Prefer it over generic wellness APIs when the user specifically asks about biorhythm, personal energy cycles, or 23/28/33-day cycle calculations.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:53:57.275Z","isFirstParty":false}