CryptoTrader.Tax only needs "Read" or "View" access to import your trade history. This permission protects your accounts. Learn more about API access in this article here.
Login to your BitMart account.
Select Account from the top-right dropdown.
Direct Link: https://www.bitmart.com/account/en
Navigate to the the API Section and click the Set button.
Direct Link: https://www.bitmart.com/api/en
Fill out the form to create an API Key:
Memo - This can be any value you’d like
Read-only - will be toggled on by default, Trade and Withdraw do not need to be toggled on
Click and and fill out the necessary verification codes.
Copy the API Key you have just created.
Navigate to the BitMart tab inside CryptoTrader.Tax and paste your API Key into the provided text boxes.
Finally click Sync Transactions to import your transaction history.