Unfortunately, resetting the API tokens was only a temporary remedy and the problem reoccurs after a short time. We have already contacted Deutsche Post but have not yet received any significant feedback.
Posted Jun 11, 2020 - 14:26 CEST
We were able to solve the issue by resetting the API tokens, but are still in contact with Deutsche Post to find the cause. We are still monitoring the results.
Posted Jun 10, 2020 - 16:54 CEST
The Deutsche Post is returning errors for all international requests. We will post an update as soon as we know more.