URL: https://financialmodelingprep.com/api/v3/income-statement/AAPL?period=annual&limit=2&apikey=MKsUw7QQwX0NXCZT4cdXMri800Y9oF3T
Raw length: 2967

✅ JSON OK. Sample keys for most recent row:
 - date
 - symbol
 - reportedCurrency
 - cik
 - fillingDate
 - acceptedDate
 - calendarYear
 - period
 - revenue
 - costOfRevenue
 - grossProfit
 - grossProfitRatio
 - researchAndDevelopmentExpenses
 - generalAndAdministrativeExpenses
 - sellingAndMarketingExpenses
 - sellingGeneralAndAdministrativeExpenses
 - otherExpenses
 - operatingExpenses
 - costAndExpenses
 - interestIncome