How can webhooks be used for email reporting?
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Your ESP's built-in reporting shows you aggregate stats: delivery rate, open rate, click rate. Webhooks let you do something more useful: capture every event the moment it happens and send that data wherever you need it.
What you can build with webhook data
Real-time bounce suppression. When a hard bounce fires, the webhook hits your server or a tool like Zapier, which immediately removes or flags that address in your CRM or database. No more waiting for your next ESP export.
Complaint tracking across systems. When a recipient marks your email as spam, the webhook event can update a contact record, flag the address in your database, and trigger a suppression across all your sending tools at once. ESPs won't always synchronize this for you automatically.
Custom reporting dashboards. If you're storing webhook events in your own database, you can slice campaign performance however you want, by segment, by product, by region, in ways your ESP's dashboard may not support natively.
Trigger-based automations. A click on a specific link fires a webhook, which adds the contact to a follow-up sequence in your CRM, creates a task for your sales team, or logs the event to your analytics platform. ESPs offer some of this natively, but webhooks give you the flexibility to connect anything.
What to watch for
Webhook payloads arrive as raw POST requests. Your receiving endpoint needs to handle them, which usually means some development work. You'll also want to verify the webhook source (most ESPs include a signature or secret token) so you're not accepting spoofed events. If you're just getting started with webhooks, check your ESP's documentation for their specific payload format before building anything.
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