Successful initialization but endpoint workflow not working after initialized

Hello, I have a webhook endpoint that receives data from a service when a new customer record is added. My endpoint workflow then creates a new thing in my app. I am able to initialize the endpoint
but after I change the url to
it does not seem to work.
I have confirmed that the post is received … see below

but for some reason the workflow is not working. My workflow is shown below.

I appreciate any assistance you can provide.