Created 2 ON24 sessions and now these 2 need to be synched with marketo. As 2 ON24 events cant be synched with one Marketo event so we use webhook. My question is about this webhook. I mean what all need to be consider for creating this webhook and how leads flow from Marketo to ON24 and back to Marketo.
That's an incredibly broad question and an answer here can't do it justice.
First, a webhook definition (in Marketo Admin) doesn't do anything itself. It lets you format data to be sent from Marketo to an external service based on trigger campaigns. The webhook is the outbound request — the sending of data and processing of responses — not the external service. Although people do use the terms interchangeably, this can be confusing because it implies that merely setting something up in Admin gives you somewhere to send stuff. It doesn’t. You need to define your needs, and either code+host your own service or pay for an existing service that fits your needs.
Webhooks run in the context of existing leads in Marketo. Thus by definition the webhook to cannot create the lead, although this is OK in your case because creation/registration will start in Marketo and then be pushed to ON24.
Your service will use Seamless Registration or REST Registration (the latter is more professional IMO) and Get Attendees.
Note if your solution is solely webhook-powered, with no external scheduler, you’ll want to cache the Get Attendees result because it makes no sense to re-get the same data over and over in the batch-to-trigger Smart Campaign which you run just after the webinar.
Be prepared to write bulletproof code as you don’t want to deal with people complaining that ON24 metrics are different from Marketo reports. It’s vital that custom integrations keep pace with built-in integrations or you’re just going backward.
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