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US Overnight Rates (SOFR & EFFR)
x402
US Overnight Rates (SOFR & EFFR) is a paid API for AI agents from us-rates.use.x402atlas.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-17).
Returns the latest SOFR and EFFR overnight interest rate benchmarks, including rate values, volumes, and Fed policy target range.
Price / call$0.01
Success—
StatusUnknown
How this service works
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.
Output
Returns a JSON object containing one or more rate series (SOFR and/or EFFR), each with the latest observation date, rate value in percent per annum (e.g. 5.3 means 5.3%), USD trading volume in billions, Fed policy target lower and upper bounds, a revision indicator, and associated metadata including source attribution, disclaimer notices, and schema version.
Example use cases
Daily rate snapshot for treasury ops
“Pull today's SOFR and EFFR rates along with transaction volumes so I can update our daily treasury dashboard.”
Monitor Fed policy target corridor
“What is the Fed's current lower and upper target range for the federal funds rate, and how does today's EFFR compare to it?”
Benchmark dollar borrowing cost for loan pricing
“I need the latest SOFR rate in percent per annum so I can set a floating rate on a new dollar-denominated loan agreement.”
Technical details
Endpoint
GEThttps://us-rates.use.x402atlas.com/latest?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need official US overnight benchmark rates (SOFR and EFFR) in a single call, including volume and Fed target range context, without building your own NY Fed data integration. It is particularly useful for automated treasury workflows, loan pricing, or policy monitoring that requires programmatic, pay-per-call access to the latest published reference rates.
Side effects
- Rate not yet published for the current business day (publication lag from NY Fed)
- Missing data on holidays or non-business days causing gaps in observations
- Payment failure or insufficient USDC balance blocking access
- Stale data if NY Fed revises a prior observation after initial publication
- Network timeout if upstream source is temporarily unavailable
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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