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Vextorium Moon Phase API
x402
Vextorium Moon Phase API is a paid API for AI agents from api.vextorium.com, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-16).
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.
Price / call$0.003
Success—
StatusUnknown
How this service works
Moon phase on a date: name, illuminated percentage, lunar age and the next new and full moon dates. Local astronomical calculation.
Output
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.
Example use cases
Planning outdoor event around full moon
“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?”
Checking lunar age for a historic date
“What was the moon phase on December 25, 1999? I want to know the phase name, illumination, and lunar age in days.”
Finding the next new moon from today
“What's today's moon phase and when is the next new moon coming up?”
Technical details
Endpoint
POSThttps://api.vextorium.com/fase-lunar-pago?utm_source=zero.xyzWhen to prefer
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.
Side effects
- 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
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| fecha | string | YYYY-MM-DD (default today) |
Output
Schema · Response
{
"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"
}
}Tags
x402
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