Login to your HitBTC account and click Settings
After clicking New API key, it will show your Key and Secret. Make sure your API key Status is ON.
Please note that when you select Show Secret key, it will be send to you e-mail.
Now go to Coin Stats app Altfolio tab, scroll far to the right and click Add new portfolio by Selecting Exchange (API KEYS). Then select HitBTC and paste your API KEY and API SECRET.
After clicking Add you will see your HitBTC portfolio synced with the Coin Stats app.
Refer to support in case of further questions. Hope you'll enjoy.