Dev Guide
Browse the documentation in this section.
Authentication
How to authenticate with the SentinMail API using your API key
Sending Emails
Send transactional and marketing emails through the SentinMail API
Newsletter Subscriptions
Manage subscriber signups, lists, and segments programmatically via the API
Subscribe Page
Use SentinMail's hosted subscribe page to let visitors join your mailing list
Webhooks
Receive real-time notifications for email delivery events via webhooks
Rate Limits & Errors
Understand SentinMail API rate limits, error codes, and best practices for handling failures