The scheduled maintenance has been completed.

Scheduled maintenance is currently in progress. We will provide updates as necessary.

We've been informed by DHL of the following maintenance on their Returns API:
> from 10 pm on June 27th until approx. 7 am on June 28th maintenance work needs to be done on the DHL Business Customer Portal.
>
> The portal and also the API Returns will not be available for about four hours during this period, incoming requests will not be processed. Thank you for your understanding.