Polkadot / Kusama wallet not importing

Describe the problem:
Kusama and Polkadot wallets getting this error


Wallet: Kusama (KSM) 2 (Kusama (KSM))
Transactions: 0
Imported with: API

  1. [401] API clients are forbidden to the Subscan web endpoint! Please refer to https://docs.api.subscan.io/ and use the new Subscan API endpoints.
  2. No transactions found

Which exchange/wallet is this regarding?
Kusama / Polkadot wallets

How did you import data into this wallet?
Through Koinly automatic import

This is impacting me too - same problem since sometime after 18th August.

Also experiencing this 401 error. It appears the API endpoints need to be updated? Last successful sync was Aug 26, 2021 for me