Mark an order as paid thru REST API

Hi,

so I have tried to get all transactions for the given order - I used the private app

you can see that the private app should have rights for the transactions:

the request result isn’t list of transactions but an HTML page with “identity” login page with “continue button”

Any ideas? From my point of view, it is a bug or intention.

Am I wrong?

Thx,

R.