CoinLedger 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.
Step 1:
Login to your CoinJar account.
Step 2:
Click the setting icon in the top right corner and then select the API Keys option.
Step 3:
Click Create New Key.
Step 4:
Select read only as the Scope of the API Key and then select Create Key.
Step 5:
Write down your API secret key, as it will not be shown after closing the dialog.
Step 6:
Navigate to the CoinJar Exchange tab inside CoinLedger and click Auto-Import, enter your API Key into the provided text box.
Finally, click Sync Transactions to import your transaction history.