{"uid":"cap_k3O9I6-q0EW5gdJ5k6q0c","slug":"us-cpi-data-inflation-report-87031487","name":"US CPI Data & Inflation Report","description":"Gives you official United States inflation numbers from the government's BLS Consumer Price Index. Ask for the newest reading, a specific month in the past, or a whole range of months, and get back clear percentages for overall inflation and 'core' inflation (which ignores food and energy prices), plus a plain-English summary sentence.","url":"https://cpi-report-us.underscoredone.com/cpi","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"end":{"type":"string","description":"The last month of a historical range, written as year-month, like 2024-12. Leave out to end at the newest available month."},"start":{"type":"string","description":"The first month of a historical range, written as year-month, like 2023-01. Leave out to start from the earliest available month."},"period":{"type":"string","description":"A single month to look up, written as year-month, like 2024-03. Leave this out if you want the newest data or a range instead."}}},"responseSchema":{"type":"json","example":{"api_version":"1.0.0"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_m2G404egmzbVNME69qyhF","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns official US Consumer Price Index (CPI) inflation figures for the latest month, a specific month, or a historical date range.","exampleAgentPrompt":"Can you pull up the official US CPI inflation figures for every month from January 2022 through December 2024?","exampleUseCases":null,"resultDescription":"A JSON response containing official US CPI inflation data — either the most recent month's figure, a specific month's figure, or a series of monthly figures across a requested date range, along with API version metadata.","failureModes":["Invalid period format (not year-month like 2024-03) returns an error","Requested period outside available data range returns empty or error","start date after end date may return empty range or error","Network or payment failure (x402 payment not processed) blocks access"],"whenToPreferThis":"Use this endpoint when you need authoritative, official US government CPI/inflation data for a specific month or historical range. Prefer over scraping news sites or using LLM knowledge when you need precise, up-to-date official figures. Best for economic analysis, financial modeling, cost-of-living calculations, or any workflow requiring verified US inflation statistics.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:39:07.113Z","isFirstParty":false}