To create your API Key from Bittrex, please follow the steps below-
Step 1- Log in to your account.
Step 2-Navigate to your settings page from the drop-down in the upper right corner.
Step 3- Click “API Keys” on the left hand side.
Step 4- Select “Add new key”.
Step 5- You will now see the API as “New Key”. Please note: when inputting the API keys please input Read-Only keys.
Step 6- Press “Save” and you will be asked to input your 2FA code.
Step 7- Copy your key and secret. Store in a safe place.
Step 8- Now copy your API Key and Secret Key. Go to the "Accounts" page in the Lukka Software. Click "Add API Keys" on your Bittrex account and paste your key and secret in the appropriate fields.