I’m also having issues here @rickdonato with the membership payment as well because of a failed endpoint on the Ghost side, but haven’t been able to figure it out. Not sure if it’s directly related but I’ve seen that customers get created fine on subscription like you indicated. But never get the chance to enter payment information when they Click on a payment option.
Was running Ghost version 3.39.0 but recently upgraded to the latest i think 3.40.2
Any thoughts?
I outlined the issue in more detail here: