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Sindri Cron Expression Next-Run Calculator
x402
Sindri Cron Expression Next-Run Calculator is a paid API for AI agents from x402.outpimp.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).
Computes the next N future run times for a standard 5-field cron expression, returning precise timestamps without LLM simulation errors.
Price / call$0.01
Success—
StatusUnknown
How this service works
Computes the next N run times for a standard 5-field cron expression, avoiding the mental cron-schedule simulation an LLM often gets subtly wrong.
Output
Returns an ordered list of upcoming datetime timestamps (up to 50) indicating exactly when the given cron expression will next fire, computed deterministically without LLM approximation.
Example use cases
Verify weekday job schedule
“I have a cron job with expression '30 8 * * 1-5' — can you show me the next 7 times it will run so I can confirm it's hitting weekday mornings only?”
Debug midnight batch job timing
“When will '0 0 1 * *' fire next? Show me the next 3 run times so I can make sure my monthly billing job is scheduled correctly.”
Plan around frequent cron fires
“My cron expression is '*/15 * * * *' — what are the next 20 run times starting from now? I want to see how often it triggers throughout the day.”
Technical details
Endpoint
POSThttps://x402.outpimp.com/cronParseWhen to prefer
Use this endpoint whenever you need to accurately determine future cron job execution times — especially when LLM-based simulation of cron schedules could introduce subtle errors. Prefer this over asking an LLM to mentally simulate cron firing times, which is error-prone for edge cases like month-end dates, leap years, or day-of-week intersections.
Side effects
- Invalid or malformed cron expression returns an error response
- Count outside 1-50 range may be rejected or clamped to default of 5
- Non-standard 6-field or Quartz-style cron expressions may not be supported
- Missing expression field returns a validation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| count | number | Number of future run times to return (1-50). Default 5. |
| expression | string | A standard 5-field cron expression, e.g. "0 0 * * *". |
Tags
x402
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