Activate your API key via your account settings.
Go to Your Account, Settings, External Apps.
2. Click Enable and copy the API Key ID so it's ready to paste.
Activate CashDeck inside Mystro
Log in to Mystro and navigate to your Settings -> Integrations and click on "CashDeck".
Paste your API key into the field.
Once connected, CashDeck's bank statement retrieval will be available in all deals.