Instantaneous values (live sensor feed)
Live sensor readings from automated USGS gages, typically 5-15 minute cadence. Default window is last 1 day when no date range is given. Values marked with qualifier 'P' are provisional and may be revised. Dual-path: legacy WaterServices primary, OGC continuous collection fallback.
Query parameters
USGS site number(s), comma-separated.
USGS site number(s), comma-separated.
Parameter code(s), comma-separated (e.g. 00060=discharge, 00065=gage height, 00010=water temperature).
Parameter code(s), comma-separated (e.g. 00060=discharge, 00065=gage height, 00010=water temperature).
Start date/datetime ISO 8601.
Start date/datetime ISO 8601.
End date/datetime ISO 8601.
End date/datetime ISO 8601.
ISO 8601 duration shortcut (P1D, P7D, PT1H). Ignored if start_date/end_date supplied.
ISO 8601 duration shortcut (P1D, P7D, PT1H). Ignored if start_date/end_date supplied.
Response
Flattened instantaneous-value time series with per-observation qualifiers.
Example response
{
"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",
"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"
]
}
}