FINANCIAL_BALANCE_SHEET_SEARCH FINANCIAL Endpoint
  /rpc/financial/?method=FINANCIAL_BALANCE_SHEET_SEARCH  
  If you are wanting to show a plain Balance Sheet, 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.

Uses Profile Setting 244 to set the default starting date. If not set, if Profile Setting 245 is Y it works off the current financial year. Otherwise, all transactions are included

Uses Profile Setting 383 for the Retained Earnings Financial Account and 384 for the Current Earnings Financial Account

 
  OPTIONS TYPE  
  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, will default to today.
  StartDate / StartDate0 / StartDate1 Date If not passed, or left blank, it will default to your Profile Settings
  RETURN  
  AssetTotal  
  EndDate  
  EquityTotal  
  LiabilityTotal  
  StartDate  
     
  Then rows with the following:  
  Amount  
  Difference  Only shown if you are reporting by 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)
  SubTotalCount  
  SystemReference  
  Type 1=Asset,2=Liability,3=Equity
Help!