Follow the below instructions for create your Chargebee API Keys
Sign in to Chargebee with your admin credentials.
Navigate to Settings and Configure Chargebee and select API Keys from the configuration list.
Click on Add API Key button and select Read-Only Key
Please note that Daton would require only read access to extract the data from Chargebee.
Create a new API Key and name it as Daton or by any other name which identifies the purpose of this API Key.
You are required to provide this API key while integrating Chargebee on Daton.