Shipway: Logistics Aggregation

Unable to get support from the Shipway team, no POC provided, ticket closed automatically, they did not reply to emails, never resolved the issue on their portal, billing issue, Invoice print issue, tax calculation issue, order sync issue, return create issue.
Most sellers are facing these issues, but no one attempts to resolve them.
Very pathetic customer support. Very poor service, always unnecessary overwight charges, Very HIGH RTO without reaching out to customers.