def get(access_token, account_ids: nil, options: nil)
      post_with_auth 'accounts/balance/get',
                     AccountsResponse,
                     build_payload(access_token,
                                   account_ids: account_ids,
                                   options: options)
    end
def get(access_token, account_ids: nil, options: nil)
      post_with_auth 'accounts/balance/get',
                     AccountsResponse,
                     build_payload(access_token,
                                   account_ids: account_ids,
                                   options: options)
    end
Public: Get information about all available balances.

 Does a POST /accounts/balance/get call to get real-time balance
 information for all accounts associated with the access_token's item.

 access_token - The String access_token for the item to fetch balances
                for.
 account_ids  - The Array with specific account IDs to fetch balances for
                (optional).
 options      - Additional options to be merged into the request
                (optional).

 Returns the AccountsResponse object with accounts information.