To get you ShipStation API-Key Go to this page: https://ship8.shipstation.com/settings/api
You can find this page on your Shipstation Account under Settings -> Account-> API Settings
On the API Settings page click on 'Generate New API keys'
Copy the API-Keyas well as the API-Secret and paste it into the correspondig fields on Profitario.
Profitario ShipStation Integration: https://app.profitario.com/integrations/shipstation/auth