{
  "title": "Get Reserve Balances with Federal Reserve Banks",
  "description": "Example FRED API request to retrieve reserve balance data (series RESBALNS) observations",
  "request": {
    "method": "GET",
    "url": "https://api.stlouisfed.org/fred/series/observations?series_id=RESBALNS&observation_start=2024-01-01&observation_end=2024-12-31&sort_order=desc&file_type=json&api_key=YOUR_API_KEY"
  },
  "response": {
    "status": 200,
    "body": {
      "realtime_start": "2026-05-02",
      "realtime_end": "2026-05-02",
      "observation_start": "2024-01-01",
      "observation_end": "2024-12-31",
      "units": "lin",
      "output_type": 1,
      "file_type": "json",
      "order_by": "observation_date",
      "sort_order": "desc",
      "count": 52,
      "offset": 0,
      "limit": 100000,
      "observations": [
        {
          "realtime_start": "2026-05-02",
          "realtime_end": "2026-05-02",
          "date": "2024-12-25",
          "value": "3459214"
        },
        {
          "realtime_start": "2026-05-02",
          "realtime_end": "2026-05-02",
          "date": "2024-12-18",
          "value": "3521087"
        }
      ]
    }
  },
  "notes": "RESBALNS = Reserve Balances with Federal Reserve Banks, Not Adjusted. Values in Millions of Dollars. Reserve requirement ratios are currently 0% as of March 2020."
}