{"uid":"cap_rXFGVjh4zywaqy9GEqLA2","slug":"fastapi-online-cron-expression-parser-e309c4c8","name":"fastapi.online — Cron Expression Parser","description":"Chat, embeddings, OCR, speech-to-text, image editing, image understanding (captioning/Q&A), text-to-speech, translation, writing tools, classification tools, developer tools, local utilities, format/checksum validators, encoding & crypto utilities, date/time calculators, geo/coordinate math, math & finance calculators, novelty tools, and business/social writing generators — 179 endpoints in all, across multiple specialized self-hosted models. Pay per call with crypto — no signup — or get an API key.","url":"https://api.fastapi.online/cron-parse","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"count":{"type":"integer","maximum":20,"minimum":1},"expression":{"type":"string","maxLength":100,"minLength":1}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0005","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":"$0.0005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Q3FZLQbBZuotOizEzK3QX","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0005","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 the next N scheduled execution times","exampleAgentPrompt":"Can you parse the cron expression '0 9 * * 1-5' and show me the next 5 times it will run?","exampleUseCases":[{"title":"Debug a cron schedule before deploying","prompt":"I've got a cron expression '30 6 1 * *' and I want to see the next 3 dates it'll fire — can you check it for me before I deploy this job?"},{"title":"Verify daily backup job timing","prompt":"My daily backup cron is '0 2 * * *' — can you show me the next 10 times it will run so I can confirm it's scheduled correctly?"},{"title":"Preview complex cron trigger cadence","prompt":"Parse this cron expression '*/15 8-18 * * 1-5' and list the next 20 scheduled times so I can understand how often it fires during business hours."}],"resultDescription":"Returns a list of up to 20 upcoming datetime timestamps representing the next scheduled execution times computed from the provided cron expression, allowing the caller to verify correctness and cadence of the schedule.","failureModes":["Invalid cron expression syntax returns an error response","count outside 1–20 range is rejected with a validation error","Malformed JSON body returns 422 Unprocessable Entity","Expression too long (>100 characters) is rejected"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, pay-per-call cron expression parser with no signup required, especially useful in serverless agent pipelines that need to validate or preview scheduled job timing on demand. Prefer it over implementing cron parsing locally when you want a hosted utility callable via HTTP with crypto micropayments.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T19:12:45.672Z","isFirstParty":false}