FINANCIAL_PROFIT_LOSS_SEARCH FINANCIAL Endpoint
  /rpc/financial/?method=FINANCIAL_PROFIT_LOSS_SEARCH  
  If you are wanting to show a plain Profit & Loss, don't put 0 or 1 after the filters.

If you are wanting to also show movement add the 0 or 1, for eg use enddate0 and enddate1
 
  OPTIONS TYPE  
  Cash y/n Default n, which means it is calculated based on Accurals
  IncludeChildAreas y/n Default n. If specifying an area, should it also process child areas
  ShowZeroValues y/n Default n.
  AVAILABLE FILTERS TYPE  
  Area / Area0 / Area1 Numeric Specific Area, if areatype=3
  AreaType / AreaType0 / Areatype1 Numeric 1=All Areas (default),2=No Area,3=Specific Area as per Area filter
  EndDate / EndDate0 / EndDate1 Date If not passed, or left blank, it will default to your personal Profile Setting of 351.  If still blank, will default to today.
  Project numeric  
  StartDate / StartDate0 / StartDate1 Date If not passed, or left blank, it will default to your personal Profile Setting of 351
  RETURN  
  EndDate  
  GrossMargin  
  GrossMarginPercentage  
  NetMargin  
  NetMarginPercentage  
  OperatingMargin  
  OperatingMarginPercentage  
  StartDate  
  TotalCostOfSales  
  TotalCostOfSalesPercentage  
  TotalOperationalExpenses  
  TotalOperationalExpensesPercentage  
  TotalOtherExpenses  
  TotalOtherExpensesPercentage  
  TotalOtherIncome  
  TotalOtherIncomePercentage  
  TotalSales  
  TotalTaxExpenses  
  TotalTaxExpensesPercentage  
     
  Then rows with the following:  
  Difference  Only returned if processing more than one date
  FinancialAccount  
  FinancialAccountText  
  Header Y/N
  Indent Help to display table. Each character represents how it should be indented. 0=blank space,1=downwards line,2=branch (with an item after it),3=branch (with nothing after it)
  Percentage[n]  
  SubTotalCount  
  SystemReference  
  Total[n]  
  Type 1=Operational Income,2=Cost of Sales,3=Operational Expenses,4=Other Income,5=Other Expenses,6=Tax Expenses
Help!