Cron Job Every 3 Minutes

Running tasks every 3 minutes provides 20 executions per hour, offering a good balance between responsiveness and resource usage. The expression `*/3 * * * *` runs at minutes 0, 3, 6, 9, and so on.

Cron Expression

crontab syntax
*/3 * * * *
*/3
minute
*
hour
*
day (month)
*
month
*
day (week)

This expression runs every 3 minutes. That's 20 times per hour or 480 times per day.

Common Use Cases

Moderate frequency monitoring
Database sync tasks
Log aggregation
Queue processing
Metric collection

How It Works

1

Enter your endpoint URL

Paste your webhook URL, API endpoint, or any HTTP(S) address you want to call.

2

Test your request

We'll send a test request to verify your endpoint responds correctly.

3

Create your cron job

We'll call your endpoint every 3 minutes automatically. No server required.

Why Use CronUptime?

No Server Required

Schedule cron jobs without managing infrastructure. We handle execution at the edge.

Reliable Timing

Built on Cloudflare Workers for 99.9%+ uptime. Your jobs run on time, every time.

Frequently Asked Questions

A 3-minute interval is ideal when you need relatively frequent updates but every minute is overkill. Common use cases include log aggregation, moderate-priority health checks, and data synchronization tasks.
A cron job with */3 in the minute field runs 20 times per hour (60 ÷ 3 = 20). It executes at minutes 0, 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51, 54, and 57.

Quick Reference

Cron Expression:

*/3 * * * *

Human Readable:

every 3 minutes

Schedule every 3 minutes

Sign in required

Running cron jobs every 3 minutes requires a free account.

Why sign in?

  • • Access to all interval options (1 min to monthly)
  • • Permanent cron jobs (no 7-day expiry)
  • • Up to 5 free cron jobs
  • • Email notifications for failures

Or try our guest feature with 5, 10, 15, or 30 minute intervals

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