Fire custom webhook when user unsubscribes?

Hey dear, While Klaviyo doesn't support direct unsubscribe webhooks, you can use their existing webhook capabilities to track other related events and infer unsubscribe actions.

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T​​​here is now an update available in Klaviyo that I think all of you would benefit from so I thought I would share that on this old thread.
Klaviyo now supports the following triggers:
•    Subscribed to Email Marketing
•    Unsubscribed from Email Marketing
•    Manually Suppressed from Email Marketing 

What this means is that you can create a webhook inside a flow to notify your own ERP/CDP etc. of the current status which will be a significant help in keeping your own database in sync. This is achieved through Webhook in Flow (more info in the linked article including limitations), and would look something like this:
 

Note - make sure you create flows for each of these triggers - for example, both unsubscribed & suppressed means the customer can’t be sent emails so you’ll want to implement both into your workflows.
Hopefully this is a welcome update in Klaviyo for all of you - let me know if you have any questions!
Thanks
David

Kia Ora @DavidV 

Sorry if I’m being daft but I can’t see those options when selecting a flow trigger
I can see these options:

Is there a setting I need to change so that I can select Unsubscribe from Email Marketing as a flow trigger?
I’m planning to integrate with Klaviyo and I’d like to keep our database in sync with Klaviyo’s user susbcription status if possible 👍
TIA

Joe vB

Kia Ora @Joe vB,

No problem! It’s a bit of a funny trigger (have provided feedback on this to Klaviyo already).

The trigger “subscribed to email marketing” should live in the “Your Metrics” tab at the top.

If it’s not there, you’ll need to manually trigger the trigger (I have no better way of writing that HAHA) by manually subscribing and unsubscribing a customer to a list once. Once the trigger exists, it will show up.

I did a quick loom to show you how to add a list, add a test account, subscribe it, then the trigger will show: 

Hope that helps - let me know if you have any issues!

Thanks
David

How can I add a custom webhook endpoint for Klaviyo to notify my system when a user unsubscribes from a list? Is this feature currently available? It's crucial for syncing subscription statuses between Klaviyo and my application Kinemaster without watermark. If a direct webhook isn’t available, what alternative methods can I use to keep the subscription statuses updated in my app's database?

How can I add a custom webhook endpoint for Klaviyo to notify my system when a user unsubscribes from a list? Is this feature currently available? It's crucial for syncing subscription statuses between Klaviyo and my application Minecraft.  If a direct webhook isn’t available, what alternative methods can I use to keep the subscription statuses updated in my app's database?