On BitMEX select your profile icon at the top right corner

Select API keys from the drop down menu

Under create an API key, give your API key a name of your choice

Select create API key

Copy your API key ID and secret and store them in a safe place

Now go back on CryptoBooks Connections page and click on Add Connection

Click on the BitMEX logo by filtering the list using the Exchange API tab or digit the name in the quick search box

Give a name of your choice to your connection, select the default category and press the Next step button

Insert the keys copied from BitMEX and press Connect exchange

Done! The sync between BitMEX and your CryptoBooks account just started!