{"uid":"cap_l-dAor_GFwjDGQDDqTw_T","slug":"agentrxi-us-inflation-calculator-cpi-u-ba355038","name":"AgentRXI US Inflation Calculator (CPI-U)","description":"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.","url":"https://agentrxi.com/v1/inflation/calculator?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["from"],"properties":{"to":{"type":"string","description":"Year or YYYY-MM, default this year"},"from":{"type":"string","description":"Year (1913+) or YYYY-MM"},"amount":{"type":"number"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_QzSjXCBZgheqbQMtU-VCD","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"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.","exampleAgentPrompt":"How much would $5,000 from 1985 be worth in today's dollars, based on official CPI-U inflation data? Show me the cumulative and average annual inflation rate too.","exampleUseCases":[{"title":"Salary comparison across decades","prompt":"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."},{"title":"Antique pricing adjustment","prompt":"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?"},{"title":"Historical contract value analysis","prompt":"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?"}],"resultDescription":"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.","failureModes":["'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"],"whenToPreferThis":"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.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-15T06:39:24.855Z","isFirstParty":false,"canonicalSlug":"agentrxi-us-inflation-calculator-cpi-u-ba355038"}