We are at the process of upgrading our message to include security header messages. The current endpoint we are using to test is
For the DETERMINATION 5.7 can you please provide the updated endpoint.
This question has been answered directly to user via the DPP
Dear @Stefan Blumer,
I'm not sure whether the answer can be shared or not. If yes, we encourage you do that because this will guide all community members who have a similar question in the future.
Thanks,
AHS