OpenNode supports three denominations for bitcoin's unit of account:
BTC = 1.0 BTC
mBTC = 0.001 BTC
Satoshi = 0.00000001 BTC
To change your Bitcoin unit of account, follow the steps below:
Log in to your OpenNode dashboard and click on Settings at the top.
Then click on Dashboard Preferences.
Select your desired unit of account under Bitcoin Denomination.