A client with a subscription "Large" (recurring payment).
I create a payment and offer object for doing that, and it works.
Now I want to update that subscription to "Small" (a different name and amount) but without updating the credit card.
The paymill flow for doing this is very documented very vague and it's uncertain what the process is.
Have you done anything like this with Paymill, I would be happy to hear about what calls you are doing.
I am using the .NET wrapper