{"uid":"cap_bELg_AP-u4gm73x5mu_E6","slug":"x402-utils-cron-expression-explainer-590b454e","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://qcb7fnxsbd7fbhj4.68r.lambda-web.us-east-1.on.aws/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":null,"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_XSK72ayJ9nDEZkkNNIWUQ","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 and returns a plain-English description plus its next N scheduled run times in a given time zone.","exampleAgentPrompt":"Can you explain what the cron expression '0 9 * * 1-5' means in plain English and show me the next 10 run times in America/New_York?","exampleUseCases":[{"title":"Explaining a job schedule to a stakeholder","prompt":"My cron expression is '30 8 1 * *' — can you explain it in plain English and show me the next 5 times it will run in Europe/London?"},{"title":"Debugging a complex cron expression","prompt":"I have this cron expression '0 0 * * 5L' and I'm not sure what it does or when it fires — can you break it down and list the next 10 run times in UTC?"},{"title":"Verifying a deployment schedule","prompt":"We schedule deployments with '0 2 * * 6#2' — can you explain when exactly that runs and show me the next 5 occurrences in America/Chicago?"}],"resultDescription":"Returns a plain-English description of the cron expression's schedule and a list of upcoming run timestamps (up to 50) in the requested IANA time zone, covering 5- and 6-field expressions with ranges, steps, L, W, and # syntax.","failureModes":["Invalid cron expression returns an error describing the parse failure","Unsupported IANA time zone name results in an error","Count outside 1-50 range is rejected with a validation error","Missing required 'expr' query parameter returns a bad request error"],"whenToPreferThis":"Use this endpoint when you need to interpret or debug a cron expression in natural language, or compute the precise upcoming run times of a scheduled job — especially when dealing with advanced cron syntax like L (last), W (weekday), or # (nth weekday) that many simple parsers do not support. It supports both 5-field (standard Unix) and 6-field (with seconds) expressions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T12:36:54.382Z","isFirstParty":false,"canonicalSlug":"x402-utils-cron-expression-explainer-590b454e"}