Follow the below instructions for find your Freshsales API Keys
Sign in to Freshsales using your subdomain and login your credentials.
Click on the profile picture on the top right and select settings.
Click the API Settings tab to four API Key
You are required to provide this API key while integrating Freshsales on Daton.
Read more about Freshsales API keys at https://support.freshsales.io/support/solutions/articles/220099-how-to-find-my-api-key