curl --request POST \
  --url https://api.bigdata.com/v1/key-metrics-ttm/query \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <api-key>' \
  --data '{
  "identifier": {
    "type": "rp_entity_id",
    "value": "4A6F00"
  }
}'

{
  "results": [
    {
      "rp_entity_id": "4A6F00",
      "target_identifier_id": "GOOGL",
      "market_cap": 2907172311540,
      "enterprise_value_ttm": 2907172311540,
      "ev_to_sales_ttm": 7.883,
      "ev_to_operating_cash_flow_ttm": 21.897,
      "ev_to_free_cash_flow_ttm": 43.876,
      "ev_to_ebitda_ttm": 18.56,
      "net_debt_to_ebitda_ttm": 0.13,
      "current_ratio_ttm": 1.903,
      "income_quality_ttm": 1.156,
      "graham_number_ttm": 80.139,
      "graham_net_net_ttm": -0.222,
      "tax_burden_ttm": 0.827,
      "interest_burden_ttm": 0.997,
      "working_capital_ttm": 78906000000,
      "invested_capital_ttm": 328727000000,
      "return_on_assets_ttm": 0.23,
      "operating_return_on_assets_ttm": 0.248,
      "return_on_tangible_assets_ttm": 0.246,
      "return_on_equity_ttm": 0.343,
      "return_on_invested_capital_ttm": 0.239,
      "return_on_capital_employed_ttm": 0.292,
      "earnings_yield_ttm": 0.039,
      "free_cash_flow_yield_ttm": 0.022,
      "capex_to_operating_cash_flow_ttm": 0.5,
      "capex_to_depreciation_ttm": 3.789,
      "capex_to_revenue_ttm": 0.18,
      "sales_general_and_admin_to_revenue_ttm": 0.045,
      "research_and_development_to_revenue_ttm": 0.142,
      "stock_based_compensation_to_revenue_ttm": 0.046,
      "intangibles_to_total_assets_ttm": 0.064,
      "average_receivables_ttm": 53024000000,
      "average_payables_ttm": 8422000000,
      "average_inventory_ttm": 0,
      "days_of_sales_outstanding_ttm": 54.099,
      "days_of_payables_outstanding_ttm": 19.978,
      "days_of_inventory_outstanding_ttm": 0,
      "operating_cycle_ttm": 54.099,
      "cash_conversion_cycle_ttm": 34.119784543416905,
      "free_cash_flow_to_equity_ttm": 46096000000,
      "free_cash_flow_to_firm_ttm": 58092641321.391,
      "tangible_asset_value_ttm": 330581000000,
      "net_current_asset_value_ttm": 27079000000
    }
  ],
  "errors": [
    {
      "message": "<string>"
    }
  ],
  "pagination": {
    "cursor": "00000DexaRK4NT6t",
    "has_cursor": true
  },
  "metadata": {
    "request_id": "<string>",
    "timestamp": "<string>"
  }
}