{"uid":"cap_6JaIQtifYGgTCHLfYYp4h","slug":"citiview-us-inflation-calculator-cpi-u-acc27e41","name":"Citiview 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://agents.citiviewgroup.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_sT47m-4PttoXs--XkVozF","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":"Calculates how much a dollar amount from one year (or month) is worth in another year/month using official US CPI-U data, returning cumulative and average annual inflation figures from 1913 to present.","exampleAgentPrompt":"How much would $5,000 from 1985 be worth in today's dollars? Use CPI-U data to calculate the cumulative inflation and the average annual rate over that period.","exampleUseCases":[{"title":"Salary comparison across decades","prompt":"My grandfather earned $8,000 a year in 1965 — how much would that be worth in 2024 dollars? Show me the cumulative inflation and the average annual rate."},{"title":"Historical price context for journalism","prompt":"I'm writing about housing costs — can you tell me what $25,000 in 1975 is equivalent to in today's money, using official CPI-U figures?"},{"title":"Month-level inflation between two dates","prompt":"What is $1,500 from March 2020 worth in September 2023 dollars? I want the exact CPI-based conversion including cumulative and annual average inflation."}],"resultDescription":"Returns the inflation-adjusted equivalent dollar amount for the target year/month, the cumulative inflation percentage over the period, and the average annual inflation rate, all derived from official BLS CPI-U index data covering 1913 to the present.","failureModes":["'from' year earlier than 1913 — data does not exist before that date","Invalid date format for 'from' or 'to' — must be YYYY or YYYY-MM","Target year/month in the future beyond available CPI data — returns error or partial result","Missing required 'from' parameter — returns 400-level error","Non-numeric 'amount' value — schema validation failure"],"whenToPreferThis":"Choose this endpoint when you need authoritative US CPI-U-based inflation adjustment for any year or month from 1913 onward, especially when you need both cumulative and average annual rates in a single call. Prefer it over generic search or LLM-estimated inflation figures when precision and official sourcing matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-14T06:47:50.447Z","isFirstParty":false,"canonicalSlug":"citiview-us-inflation-calculator-cpi-u-acc27e41"}