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Schedule recurring tasks for your app by defining them in a cron.json file in your repository. Each cron job includes:
  • Name — a human-readable identifier
  • Schedule — a cron expression (e.g., "0 2 * * *" for daily at 2 AM UTC)
  • URL — the path in your app that gets called (e.g., /api/cleanup)
  • Description — optional details about what the job does

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Managing Crons

The Crons panel in the editor shows all defined jobs with their schedules and execution history. You can:
  • View history — see when each cron ran, how long it took, and whether it succeeded
  • Test manually — click the Test button to run a cron job immediately (must be deployed first)
  • Edit jobs — modify the name, schedule, or description
  • Delete jobs — remove cron jobs from your app
  • View versions — see cron definitions from different app versions and deploy specific versions

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Execution

When a cron executes, Major sends an HTTP POST request to the specified URL with an x-major-cron-jwt header containing a signed token. Use this to verify the request came from Major.