The following two Advanced Trade API pages for Products/Product:
https://docs.cloud.coinbase.com/advanced-trade-api/reference/retailbrokerageapi_getproducts
https://docs.cloud.coinbase.com/advanced-trade-api/reference/retailbrokerageapi_getproduct
Do not list the following Product properties:
fcm_trading_session_details
alias
alias_to
base_display_symbol
quote_display_symbol
My code keeps crashing when the expected JSON response content changes 
What is your policy for notifying users about API changes?