Use case
Scheduled team notifications: Slack, Discord, Telegram & more
Post standup prompts, end-of-day digests, on-call rotations, weekly metrics and any other recurring team nudge on the exact cron you want. Crontap drives the webhook; Slack, Discord, Telegram or email shows up at the right time in the right room.
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The problem
Why this is painful without the right tool
- Slack's built-in reminders are basic and single-channel; they don't handle timezones or custom logic.
- Bolting a cron onto a bot service works but means running a server for one scheduled message per day.
- Cross-platform notifications (the same digest into Slack + Telegram + email) mean stitching multiple schedulers together.
- When the digest silently stops firing, no one notices for a week.
The fix
How Crontap solves it
With Crontap, each notification is one schedule pointed at one webhook (a Slack Incoming Webhook, a Discord channel webhook, a Telegram bot endpoint, a custom formatting endpoint on your own service). The payload holds the message. Timezone, cadence and failure alerting are configured per schedule.
30 9 * * 1-5A few patterns we see often: a Slack Incoming Webhook for standup/EOD prompts; a Discord channel webhook for gaming or community pings; a Telegram bot webhook for on-call rotations; or a small endpoint in your own app that formats a personalized digest (“yesterday's ARR, today's open PRs”) and fans it out to multiple channels.
If the schedule stops firing or your webhook starts returning 4xx/5xx, Crontap pushes a failure alert through a second integration (usually email or a different channel), so you notice the same day.
FAQ
Common questions
- How do I send a message at 9am across timezones?
- Create one schedule per timezone pointed at the same endpoint, each with the same cron (e.g. `0 9 * * 1-5`) but different timezone settings. If you want the same message at one local time for each person, stick the timezone next to their Slack user in your endpoint and render accordingly.
- Can I format rich Slack / Discord messages?
- Yes. Slack and Discord webhooks accept JSON payloads with blocks and embeds. Put that JSON in the schedule's payload and Crontap sends it as-is. For variables that change per run (dates, metrics), call a small endpoint on your own service instead of the chat webhook directly; it builds the payload and forwards it.
- What's the difference vs. Slack's /remind?
- `/remind` is channel-local and one-way, Slack only. Crontap works across Slack, Discord, Telegram, email and custom webhooks in one place, supports real cron expressions and timezones, and logs every run so you can audit that yesterday's EOD digest actually went out.
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Emails, push notifications, reports, cache warms, AI agents, backups. If it's recurring and hits an HTTP endpoint, it belongs on Crontap.
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/your/endpoint
Schedule
"every 15 minutes"
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