So far as I know, I can set up a webhook in a flow to send Klaviyo data (profile/event properties) to the external system (POST only). However, it seems that Klaviyo does not handle the response data. What can I do if I need to retrieve some data from the response body after hitting the webhook?
It seems to me the Update Profile Property in the flow actions can play some roles here. I can create a custom profile property and bring it to webhook as a field in request payload, and I can change the value of this field in the webhook logic. But how is the change backfilled to this custom profile property in Klaviyo? I don’t see any endpoint in Klaviyo API (here: https://developers.klaviyo.com/en/reference/api_overview) can support to update a profile property.
Thank you so much for the reply!
Junsheng
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Hi @junsheng, welcome to the dev group community here.
As far as I know, the wehook POSTS externally only and doesn’t handle any response or logic. If you review the explanation here, it is not meant to be bi-directional:
If you want some kind of follow-up action to each webhook, you can create a service that accepts the Webhook and performs other subsequent action like updating a Profile or other actions. If you are simply updating the Profile with a static value, you can also just use the “Update Profile Property Action” in Klaviyo. Here’s the documentation for it:
Finally, you can also explore napkin.io - which is actually a Klaviyo owned service that you can use to accept webhooks and then do something else all hosted for you. See here:
Coding the handler and subsequent actions I leave it up to you to explore further, and might be a bit out of scope here, but if you explain more what you’re trying to do, maybe we can point you in the right direction.
Hi @retention, thank you so much for the reply. The information you provided is super helpful. One more question: I see Klaviyo flow is able to record whether or not the Webhook action is successful (Sent in below):
I want to add one more action after Webhook action if it is ‘Sent’. How can I capture the status of the Webhook action? I don’t see any related condition in the list:
Thanks!
-Junsheng
@junsheng Hmmm. At this time, I don’t think there’s a built-in Klaviyo event that tracks successful (or failed) webhook deliveries (yet).
As a workaround, perhaps your webhook receiver can set a Custom Property timestamp like webhook_received = MMDDYYYY. Then you can set a Conditional Split on it?
In this example, I’m using the “Created” Profile Property as an example, but you could create your own Custom Property that accepts a Klaviyo accepted datetime value. Then, I set a 1-hour delay to check if the webhook occurred for that Profile in the Flow using the “Properties about someone” … “in the last 1 hour” (Date data type) to verify that the webhook was successful if the timestamp was updated in the Profile.
This is a great idea and I am pretty sure it will work perfectly if this flow is triggered rarely. Thanks a lot!
My concern is: if the flow is triggered too often, e.g. 30 times/hours. How can we use a single custom property to check the all of the webhook deliveries? It seems that the minimum time interval of a Date type property is 1 hour. It’s ideal if we can somehow create a custom property with a dynamic name when the flow is triggered. Are we allow to do that? Do you have any idea on that?
