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US CPI Year-Over-Year Inflation Rate (FRED)
x402
US CPI Year-Over-Year Inflation Rate (FRED) is a paid API for AI agents from agent402.tools, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-14).
Returns the latest US Consumer Price Index (CPI-U) year-over-year inflation rate plus trailing 12 months of YoY readings, sourced from FRED CPIAUCSL.
Price / call$0.005
Success—
StatusUnknown
How this service works
Latest US Consumer Price Index year-over-year inflation rate (headline CPI-U) plus the trailing 12 months of YoY readings - the headline inflation number. Source: FRED CPIAUCSL with pc1 transformation. No params.
Output
Returns the current US CPI-U year-over-year inflation rate (headline inflation) and a list of the trailing 12 monthly YoY readings, sourced from the FRED CPIAUCSL series with pc1 transformation. No parameters required.
Example use cases
Example prompt
“What's the current US headline inflation rate and how has it trended over the past 12 months? Pull the latest CPI year-over-year data from FRED.”
Technical details
Endpoint
GEThttps://agent402.tools/api/cpi-yoyWhen to prefer
Use this endpoint when you need the current US headline CPI-U year-over-year inflation rate and/or its recent 12-month trend, without needing to set up FRED API credentials yourself. Ideal for macroeconomic dashboards, financial analysis agents, or any workflow that needs a quick, reliable, no-parameter inflation lookup sourced directly from official government data.
Side effects
- FRED data source temporarily unavailable — upstream service outage
- Stale data if FRED has not yet published the latest monthly release
- Payment failure (x402) — insufficient USDC balance or payment not accepted
- HTTP 402 if payment is not provided
- Rate limiting or access restriction on the agent402.tools proxy
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| properties | string |
Output
Schema · Response
{
"type": "json",
"example": {
"date": "2026-05-01",
"source": "FRED CPIAUCSL (BLS)",
"trailing12mo": [
{
"date": "2025-06-01",
"value": 3
}
],
"inflationYoYPct": 3.4
}
}Tags
x402
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