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ForgeMesh Date Math API
x402
ForgeMesh Date Math API is a paid API for AI agents from x402.forgemesh.io, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-14).
Adds a number of days to a start date or counts calendar and business days between two dates, returning the result deterministically.
Price / call$0.001
Success—
StatusUnknown
How this service works
Date math API: add days to any date (returns resulting date + weekday) or count calendar days and weekday-only business days between two dates. The arithmetic agents get wrong in-context, done deterministically. For deadlines, SLAs, scheduling, and planning.
Output
Returns the resulting date and its weekday name when adding days, or returns the total number of calendar days and weekday-only business days between two given dates.
Example use cases
Example prompt
“How many calendar days and business days are there between March 3, 2025 and June 30, 2025? Also, what date falls exactly 45 days after March 3?”
Technical details
Endpoint
POSThttps://x402.forgemesh.io/date-mathWhen to prefer
Use this endpoint whenever an AI agent needs to perform reliable date arithmetic — adding days to a date or counting calendar/business days between two dates — rather than attempting in-context reasoning, which is error-prone for date math. Ideal for deadline tracking, SLA computation, scheduling workflows, and planning tasks where deterministic correctness is required.
Side effects
- Invalid ISO date format for start or end field returns an error
- Missing both end and add_days — ambiguous request with no operation to perform
- add_days is non-numeric or malformed string
- End date is before start date, potentially returning a negative count or error
- Network/payment failure returns HTTP 402 or 5xx
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| end | string | ISO date — if set, returns days between |
| start | string | ISO date (default now) |
| add_days | string | days to add to start |
Output
Schema · Response
{
"type": "json",
"example": {
"calendar_days": 17,
"business_days_weekdays_only": 13
}
}Tags
x402
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