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Agentshelf Cron Next-5 (5-Field)
x402
Agentshelf Cron Next-5 (5-Field) is a paid API for AI agents from agentshelf.syntexa.ch, paid per call via x402, $0.004/call, status unknown (last checked 2026-09-29).
Given a 5-field cron expression and an optional starting datetime, returns the next 5 UTC scheduled execution times.
Price / call$0.004
Success—
StatusUnknown
How this service works
Call when an agent needs the next 5 UTC times for a 5-field cron expression. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/cron-next-5-5 first.
Output
Returns an ordered list of the next 5 UTC datetimes at which the given 5-field cron expression would trigger, computed from the specified 'from' datetime (or now if omitted).
Example use cases
Preview weekday job schedule
“I have a cron expression '0 9 * * 1-5' for a Monday-to-Friday 9am job — can you show me the next 5 UTC times it will run starting from 2025-07-01T00:00:00Z?”
Debug midnight batch job timing
“My batch pipeline runs on '0 0 1 * *' — what are the next 5 UTC times it will trigger after 2025-06-15T12:00:00Z so I can plan around it?”
Verify hourly alert schedule
“Check when my hourly alert cron '0 * * * *' will next fire 5 times starting now at 2025-06-10T08:30:00Z.”
Technical details
Endpoint
POSThttps://agentshelf.syntexa.ch/v1/cron-next-5-5?utm_source=zero.xyzWhen to prefer
Use this endpoint when an agent needs deterministic, pure-computation cron schedule previewing without any LLM involvement or external network calls — ideal for scheduling automation pipelines, validating cron configurations, or showing users when their next job runs. Prefer the free sandbox endpoint (/v1/sandbox/cron-next-5-5) first if available; use this paid endpoint when sandbox is unavailable or rate-limited.
Side effects
- Invalid cron expression format returns an error
- Expression with fewer or more than 5 fields is rejected
- Malformed or out-of-range 'from' datetime causes a parse error
- Payment of exactly $0.004 USDC required; insufficient payment returns 402
- Expressions with no future occurrences (e.g. impossible schedules) may return an error or empty list
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| from | string | ISO datetime to count forward from. Omit it to start at the current time. |
| expression | string | Cron expression. The route says whether it is 5 fields or 6 fields. Example: 0 9 * * 1-5. |
Tags
x402
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