The HTTP Post Request

When the Identity Cloud sends a webhooks notification to a listener endpoint, that notification is sent as an HTTP POST request, a standard way for one computer to send data to another. The request itself will look similar to this:

POST /webhooks/subscriptions/454fe969-1909-4e93-b552-674d47eafdb0/events HTTP/2
Host: webooks.documentation.akamai.com
User-Agent: Akamai Identity Cloud Webhooks/3.0
Accept: */*Content-Type: application/secevent+jwt
Content-Length: 1254

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And yes, the color-coding was added for a reason: the red text indicates the HTTP headers and the blue text indicates the request payload