Don't Poll. Listen.
One of the most powerful features of modern infrastructure is event-driven architecture. Instead of constantly asking a server "Did the user open the email yet?", your server should simply wait to be told.
Setting up your first Webhook
In Qwik Mailer, navigating to Settings > Webhooks allows you to subscribe to specific events like email.delivered and email.opened.
When you receive a webhook, the payload contains cryptographic signatures ensuring it came from us. Once verified, you can immediately trigger follow-up actions in your application—like unlocking a premium feature the second a user clicks the verification link.