Central Banks & Monetary

H.3 - Aggregate Reserves of Depository Institutions

Changed on

Federal Reserve H.3 statistical release (weekly Thursday). Reserve balances, borrowings, and total reserves of depository institutions. Post-2020 reserve-requirement reduction to zero retired several legacy series; discontinued series are available via include_discontinued=true. Data drawn live from FRED with 1-hour cache.

get/api/v1/fed/h3

Request

  • Base URL: https://sugra.ai
  • URL: https://sugra.ai/api/v1/fed/h3
  • Auth: API key in header x-api-key

Query parameters

lookback_weeksinteger

Weeks of history to return (default 52, max 260).

include_discontinuedboolean

When true, include discontinued and superseded series in the response. Default false returns only release_status=active series.

Response

H.3 weekly observation grid with series_metadata + failed_series envelope.

Example response

{
  "data": {
    "series_metadata": [
      {
        "series_id": "WALCL",
        "title": "Total Assets, All Federal Reserve Banks",
        "units": "Millions of Dollars",
        "frequency": "weekly",
        "release_status": "active"
      }
    ],
    "weekly_data": [
      {
        "observation_date": "2026-05-12"
      }
    ]
  },
  "meta": {
    "endpoint": "/api/v1/fred/us/cpi",
    "data_time": "2026-04-16T14:30:00Z",
    "response_time": "2026-04-16T14:30:12Z",
    "provider": "Sugra API v1.0.1",
    "data_age_days": 8.532,
    "source": "sugra_crypto",
    "attribution": "Short interest and Reg SHO daily short volume data is owned by and sourced from FINRA (Financial Industry Regulatory Authority).",
    "fallback_chain": [
      "sugra_crypto",
      "sugra_finance"
    ],
    "stale_since": "2026-09-08T12:00:00Z",
    "period": "2026-Q1",
    "notes": "the UKMTO report behind these counts is dated 2026-08-21 and is 11 days old"
  }
}

Changes