Central Banks & Monetary

H.4.1 - Factors Affecting Reserve Balances (headline)

Changed on

Federal Reserve H.4.1 statistical release (weekly Wednesday/Thursday). Headline balance-sheet lines: assets (Treasuries, MBS, agency, loans, liquidity swaps), liabilities (reverse repo, Treasury general account, currency, foreign deposits), and capital. Subset of the full H.4.1 (hundreds of granular lines). Data drawn live from FRED with 1-hour cache.

get/api/v1/fed/h41

Request

  • Base URL: https://sugra.ai
  • URL: https://sugra.ai/api/v1/fed/h41
  • 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When true, include discontinued and superseded series in the response.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.4.1 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