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Cron Expression Parser API

Parse, validate, and describe cron expressions. Get human-readable descriptions and calculate upcoming run times.

API Endpoint

POST /v1/cron

Parameters

Name	Type	Required	Description
expression	string	Yes	Cron expression to parse (e.g., "0 9 * * 1-5")
count	integer	No	Number of next run times to return (default: 5)

Quick Example

curl -X POST "https://api.toolcenter.dev/v1/cron" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"expression": "0 9 * * 1-5", "count": 5}'

Features

Standard 5-field cron support
Human-readable descriptions
Next N run time calculations
Validation with error messages
Timezone-aware scheduling

Use Cases

Validate cron schedules before deployment

Show next run times in admin dashboards

Build cron expression builders

Debug scheduling issues

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500 free API calls per month. No credit card required.

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