Scheduled
Sending
Schedule emails for future delivery with a single timestamp. Send drip sequences, reminders, and digests at exactly the right moment.
Add scheduledAt
and you're done
No cron jobs, no separate scheduling service. Just add a timestamp to your regular send request.
curl -X POST https://your-api.com/v1/emails \ -H "Authorization: Bearer YOUR_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "to": "user@example.com", "subject": "Your weekly digest", "templateId": "weekly-digest", "scheduledAt": "2025-02-14T09:00:00Z", "variables": { "name": "Alex", "highlights": 12 } }'Schedule now,
send later
Set a schedule
Pass a scheduledAt timestamp in ISO 8601 format with your send request. That's it.
Posthawk holds the email
The email is validated immediately and held in the queue until the scheduled time arrives.
Delivered on time
At the scheduled moment, the email is sent through your SES account. Precise and reliable.
Flexible Scheduling
Schedule minutes, hours, or days ahead. Send that welcome drip on day 3, or a reminder 30 minutes before an event.
Cancel Anytime
Changed your mind? Cancel any scheduled email before it sends with a single API call. No email sent, no cost incurred.
Reschedule on the Fly
Update the delivery time of any pending email without cancelling and recreating. Just patch the schedule.
Batch Scheduling
Schedule hundreds of emails in a single API call. Perfect for digest emails, weekly reports, or campaign sends.
Schedule your first email
No cron jobs. No third-party schedulers. Just a timestamp and reliable delivery.