{"uid":"cap_JdTIFRJspOfevVoyape_M","slug":"cron-expression-6-field-validator-f2a3f753","name":"Cron Expression 6-Field Validator","description":"Call when an agent needs whether a string is a 6-field cron expression. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/check-cron-6 first.","url":"https://agentshelf.syntexa.ch/v1/check-cron-6?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"data":{"description":"JSON value for schema-check SKUs. Omit it on string checks such as email or IBAN."},"value":{"type":"string","examples":["0 0 * * * *"],"maxLength":20000,"minLength":1,"description":"Value to check. The route description names the format: email, phone, IBAN, postal code, VAT, national id, or similar."},"schema":{"description":"JSON Schema document for schema-check SKUs. Omit it on string checks."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_tXzqjzMyEP8JvVfG8zfc-","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates whether a given string is a syntactically correct 6-field cron expression","exampleAgentPrompt":"Can you check if '0 30 9 * * 1-5' is a valid 6-field cron expression?","exampleUseCases":[{"title":"Validate user-submitted cron schedule","prompt":"A user just entered '0 15 10 * * ?' as their scheduled job trigger — can you verify whether that's a valid 6-field cron expression before we save it?"},{"title":"Debug broken cron job config","prompt":"My cron job keeps failing to parse — can you check if '*/5 * * * *' is a valid 6-field cron expression? I think I might be missing a field."},{"title":"Automate schedule config validation","prompt":"Before deploying this workflow, check that '0 0 12 1/1 * ?' is a properly formatted 6-field cron expression so we don't end up with a broken scheduler."}],"resultDescription":"Returns a boolean or structured result indicating whether the input string conforms to the 6-field cron expression format, potentially including which field(s) are invalid or why the expression fails validation.","failureModes":["Empty string input returns validation error or invalid result","String exceeding 20000 characters rejected","Non-cron strings (plain text, 5-field cron) may return false/invalid","Network or payment failure (x402 payment required, $0.005 USDC) causes request to fail","Malformed JSON body returns HTTP 400"],"whenToPreferThis":"Use this endpoint when you need to definitively validate a 6-field cron expression (which includes a seconds field, common in Quartz/Spring schedulers) before storing or executing it. Prefer the free sandbox endpoint POST /v1/sandbox/check-cron-6 first for development or testing; use this paid endpoint in production when sandbox is unavailable or rate-limited. Choose this over general regex checks when you need authoritative, server-side cron validation without writing your own parser.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:50:21.762Z","isFirstParty":false,"canonicalSlug":"cron-expression-6-field-validator-f2a3f753"}