{"uid":"cap_ZfO-bME3Nem24wrwkR2x5","slug":"vextorium-moon-phase-api-a7655f62","name":"Vextorium Moon Phase API","description":"Moon phase on a date: name, illuminated percentage, lunar age and the next new and full moon dates. Local astronomical calculation.","url":"https://api.vextorium.com/fase-lunar-pago?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"fecha":{"type":"string","description":"YYYY-MM-DD (default today)"}}},"responseSchema":{"type":"json","example":{"fase":"cuarto menguante","nota":"Cálculo medio (±1 día en las fechas de las fases).","fecha":"2026-10-02","edad_dias":20.97,"iluminacion_pct":62.4,"proxima_luna_llena":"2026-10-26","proxima_luna_nueva":"2026-10-11"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_SjfRyF5VRXldDq88yEq-4","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the moon phase name, illumination percentage, lunar age in days, and next new/full moon dates for a given date using local astronomical calculation.","exampleAgentPrompt":"What's the moon phase on July 4th, 2025 — is it a full moon, how illuminated is it, and when are the next new and full moons after that?","exampleUseCases":[{"title":"Planning outdoor event around full moon","prompt":"I'm organizing an outdoor night event for September 15, 2025. Can you tell me the moon phase that night, how bright it'll be, and when the nearest full moon is?"},{"title":"Checking lunar age for a historic date","prompt":"What was the moon phase on December 25, 1999? I want to know the phase name, illumination, and lunar age in days."},{"title":"Finding the next new moon from today","prompt":"What's today's moon phase and when is the next new moon coming up?"}],"resultDescription":"Returns a JSON object with the moon phase name (e.g. 'cuarto menguante'), illumination percentage, lunar age in days, the queried date, the date of the next full moon, the date of the next new moon, and a precision note indicating calculations are accurate to approximately ±1 day.","failureModes":["Invalid or missing date format returns an error — must be YYYY-MM-DD","Dates far outside supported range may produce inaccurate or undefined results","Network timeout if the service is temporarily unavailable","Payment failure if insufficient USDC balance for x402 micropayment"],"whenToPreferThis":"Choose this endpoint when you need fast, low-cost lunar phase data for a specific date including illumination percentage and upcoming phase dates, without needing real-time telescope or observatory data. Ideal for agents handling event planning, nature, astronomy queries, or calendar enrichment where ±1 day accuracy is acceptable.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-16T18:48:02.256Z","isFirstParty":false,"canonicalSlug":"vextorium-moon-phase-api-a7655f62"}