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Calendar Month Grid Generator
x402
Calendar Month Grid Generator is a paid API for AI agents from api.24klabs.ai, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-13).
Returns a calendar month as a grid of week rows (Monday or Sunday start), along with the weekday of the 1st, total day count, and leap year status.
Price / call$0.001
Success—
StatusUnknown
How this service works
Return a month as a grid of week rows (weeks start Monday or Sunday), plus the weekday of the 1st, the day count, and whether it is a leap year.
Output
Returns a structured object containing: a 2D grid of week rows where each cell is a day number (or null for padding), the weekday of the 1st of the month, the total number of days in the month, and a boolean indicating whether the year is a leap year.
Example use cases
Monthly scheduler calendar widget
“Generate a full calendar grid for February 2028 with weeks starting on Sunday — I need to know what day of the week the 1st falls on and how many days are in the month.”
Leap year check for payroll planning
“Is 2028 a leap year? Also show me the week grid for February 2028 starting on Monday so I can plan our payroll schedule.”
Event planning layout for calendar app
“Give me the week-row layout for October 2025 starting on Monday — I'm building a calendar view and need the grid, the weekday of the 1st, and the total day count.”
Technical details
Endpoint
POSThttps://api.24klabs.ai/api/v1/calendar-monthWhen to prefer
Use this endpoint when you need a structured, grid-ready calendar layout for a specific month — especially when you also need metadata like leap year status, day count, or the weekday of the 1st. Prefer this over manual date calculations or general-purpose date libraries when you need a pre-formatted week-row grid ready for rendering in a UI or scheduling tool.
Side effects
- Invalid month number (e.g. 0 or 13) returns an error
- Invalid year (e.g. negative or non-integer) returns a validation error
- Missing required fields (year or month) result in a bad request response
- Invalid week-start value (not Monday or Sunday) may return an error or default behavior
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| year | number | |
| month | number | |
| first_weekday | string |
Output
Schema · Response
{
"type": "json",
"example": {
"weeks": [
[
0,
0,
0,
0,
0,
0,
1
]
],
"days_in_month": 28
}
}Tags
x402
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