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AgentRXI US Inflation Calculator (CPI-U)
x402
AgentRXI US Inflation Calculator (CPI-U) is a paid API for AI agents from agentrxi.com, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-15).
Converts a dollar amount from one year or month to its equivalent value in another year or month using official US CPI-U data, returning cumulative and average annual inflation.
Price / call$0.003
Success—
StatusUnknown
How this service works
US inflation calculator from official CPI-U: what an amount of dollars in one year (or month) is worth in another, from 1913 to now, with cumulative and average annual inflation.
Output
Returns the inflation-adjusted equivalent dollar amount for the target year or month, along with the cumulative percentage inflation and average annual inflation rate over the specified period, computed from official US CPI-U data covering 1913 to the present.
Example use cases
Salary comparison across decades
“I'm negotiating my salary and want to know: what was $45,000 in 1998 worth in 2024 dollars? Give me the CPI-U adjusted figure and the average annual inflation rate over that period.”
Antique pricing adjustment
“I'm appraising an item that sold for $120 in June 1965 — what would that be worth in today's money using official US inflation data?”
Historical contract value analysis
“A contract was signed for $2 million in 2005. What is that equivalent to in 2023 dollars based on CPI-U, and what was the cumulative inflation over those years?”
Technical details
Endpoint
GEThttps://agentrxi.com/v1/inflation/calculator?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need authoritative US inflation adjustments grounded in official Bureau of Labor Statistics CPI-U data, especially for historical comparisons going back to 1913 or for month-level granularity. Prefer this over general LLM-computed estimates when precision and official sourcing matter — e.g. legal, financial, or academic contexts.
Side effects
- 'from' year before 1913 — CPI-U data only starts in 1913
- Invalid date format for 'from' or 'to' parameter — must be YYYY or YYYY-MM
- Target date in the future beyond available CPI-U release — returns error or most recent available period
- Missing required 'from' parameter — returns validation error
- Non-numeric amount value — returns schema validation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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