US overnight interest rates — latest SOFR secured financing and EFFR effective f
US overnight interest rates — latest SOFR secured financing and EFFR effective federal funds benchmarks, volumes and policy target range for dollar borrowing-cost comparisons. x402Atlas is not affiliated with the New York Fed. The New York Fed does not sanction, endorse, or recommend any products or services offered by x402Atlas.
Answeringour last check, 2026-10-10
1 of 1checks answered this week
621 msmedian answer time
$0.01listed price per call
$0.01price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://us-rates.use.x402atlas.com/latest
| Category | Company and compliance |
|---|---|
| Provider host | us-rates.use.x402atlas.com |
| Networks | eip155:137, eip155:42161, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-10 | valid payment request | 402 | $0.01 | 621 ms |
Example input (from the provider)
{
"method": "GET",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"properties": {},
"required": [],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": false,
"properties": {
"changes": {
"description": "Transformations applied to source data.",
"type": "string"
},
"disclaimer": {
"description": "Required non-affiliation and non-endorsement disclaimer.",
"type": "string"
},
"notice": {
"description": "Reference-rate redistribution notice.",
"type": "string"
},
"operation": {
"description": "Stable route operation.",
"enum": [
"latest"
],
"type": "string"
},
"retrieved_at": {
"description": "UTC source retrieval time, unchanged on cache hits; not data freshness.",
"format": "date-time",
"type": "string"
},
"schema_version": {
"description": "Normalized response contract version.",
"enum": [
"1"
],
"type": "string"
},
"series": {
"description": "SOFR then EFFR for latest, or the requested historical series.",
"items": {
"additionalProperties": false,
"properties": {
"alias": {
"description": "sofr is secured overnight financing; effr is effective federal funds.",
"enum": [
"sofr",
"effr"
],
"type": "string"
},
"frequency": {
"description": "Business-day series; holidays and missing publications can create gaps.",
"enum": [
"business_daily"
],
"type": "string"
},
"name": {
"description": "Official reference rate name.",
"type": "string"
},
"observations": {
"description": "Ascending source dates, without interpolation.",
"items": {
"additionalProperties": false,
"properties": {
"date": {
"description": "Source effective observation date, not publication or retrieval time.",
"format": "date",
"type": "string"
},
"source_footnote_id": {
"description": "Source footnote identifier; consult the official rate page for text, null if absent.",
"maximum": 1000000,
"minimum": 0,
"type": [
"integer",
"null"
]
},
"source_revision_indicator": {
"description": "Raw source indicator: Y revised, empty string unmarked, null absent; may change in later publications.",
"enum": [
"",
"Y",
null
],
"type": [
"string",
"null"
]
},
"target_lower_percent": {
"description": "EFFR policy target lower bound in percent, null for SOFR or absent metadata.",
"maximum": 100,
"minimum": -100,
"type": [
"number",
"null"
]
},
"target_upper_percent": {
"description": "EFFR policy target upper bound in percent, null for SOFR or absent metadata.",
"maximum": 100,
"minimum": -100,
"type": [
"number",
"null"
]
},
"value": {
"description": "Overnight reference rate in percent per annum; 5 means 5%.",
"maximum": 100,
"minimum": -100,
"type": "number"
},
"volume_usd_billions": {
"description": "Underlying transaction volume in billions of US dollars, null if absent.",
"maximum": 1000000000,
"minimum": 0,
"type": [
"number",
"null"
]
}
},
"required": [
"date",
"value",
"volume_usd_billions",
"target_lower_p