{"uid":"cap_DxIWZiOK8FT2-L92lGVjr","slug":"x402-utils-cron-expression-explainer-1ec920a5","name":"x402 Utils – Cron Expression Explainer","description":"Explain a cron expression in plain English and list its next run times in a time zone (5 or 6 fields, with ranges, steps, L, W and #).","url":"https://utils.kagurazaka.dev/v1/cron?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["expr"],"properties":{"tz":{"type":"string","description":"IANA time zone, default UTC"},"expr":{"type":"string","description":"the cron expression, such as 0 9 * * 1-5"},"count":{"type":"integer","description":"how many next runs (1-50, default 5)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"next":{},"description":{}}}}}}},"responseSchema":{"type":"json","example":{"next":[{"utc":"2026-10-26T00:00:00.000Z","local":"2026-10-26T09:00:00"}],"description":"At 09:00, Monday through Friday"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_H6Y0kjgaTsW3a2uP-0AH2","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Parses a cron expression (5 or 6 fields, with ranges, steps, L, W, #) into plain English and returns its next N scheduled run times in a specified time zone.","exampleAgentPrompt":"Can you explain what the cron expression '0 9 * * 1-5' means in plain English and show me the next 10 times it will run in the America/New_York time zone?","exampleUseCases":[{"title":"Verify a deployment schedule cron","prompt":"I've got a cron expression '30 2 * * 0' set up for our weekly deployment — can you explain what it means in plain English and show me the next 5 times it'll fire in UTC?"},{"title":"Debug a complex cron with L-syntax","prompt":"What does '0 18 L * *' mean and when will it next run? Give me the next 10 occurrences in the Europe/London time zone."},{"title":"Confirm bi-weekly job timing for team","prompt":"Our data pipeline cron is '0 8 1,15 * *' — explain what that means and list the next 5 scheduled runs in America/Chicago so I can share it with the team."}],"resultDescription":"A JSON object with a human-readable 'description' string explaining the cron expression (e.g. 'At 09:00, Monday through Friday') and a 'next' array of objects each containing a 'utc' ISO 8601 timestamp and a 'local' timestamp in the requested time zone, for the next N scheduled runs.","failureModes":["Invalid cron expression returns an error (malformed fields, unsupported syntax)","Invalid IANA time zone string causes a parsing error","count outside the 1-50 range may be rejected or clamped","Missing required 'expr' query parameter returns an error","Payment not included or insufficient results in HTTP 402"],"whenToPreferThis":"Use this endpoint when you need to interpret or validate a cron schedule in human-readable form and preview its upcoming run times in a specific time zone. It supports advanced cron syntax (L, W, #, ranges, steps, 6-field expressions) that many basic parsers do not handle. Ideal for developer tools, scheduling dashboards, or any agent that needs to reason about or communicate a job's schedule to a non-technical user.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T12:37:49.557Z","isFirstParty":false,"canonicalSlug":"x402-utils-cron-expression-explainer-1ec920a5"}