{"uid":"cap_i_qWTQbsveo05yUASYfuo","slug":"bls-cpi-u-changes-feed-ef855052","name":"BLS CPI-U Changes Feed","description":"New Bureau of Labor Statistics prints of CPI-U (all items, inflation), with the value, period, and month-over-month change.","url":"https://oracles-production.up.railway.app/v1/econ-cpi/changes","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","properties":{"limit":{"type":"integer","maximum":500,"minimum":1},"since":{"type":"string","format":"date-time","description":"Only changes detected after this ISO-8601 instant"},"min_significance":{"type":"integer","maximum":10,"minimum":1,"description":"Keep only changes scored at least this"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"count":{"type":"integer"},"source":{"type":"string"},"changes":{"type":"array","items":{"type":"object","properties":{"type":{"type":"string"},"title":{"type":"string"},"detail":{"type":"object"},"summary":{"type":"string"},"entityId":{"type":"string"},"sourceUrl":{"type":["string","null"],"description":"Primary-source link for verification"},"detectedAt":{"type":"string","format":"date-time"},"significance":{"type":"integer","maximum":10,"minimum":1},"effectiveDate":{"type":["string","null"]}}}}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ddBS1foQ8IEuQiFfqVQLp","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns new Bureau of Labor Statistics CPI-U (all-items inflation) print events, including value, period, and month-over-month change, filtered by recency and significance.","exampleAgentPrompt":"Can you pull the latest BLS CPI-U all-items inflation change events detected since January 1st 2025, but only show me ones with a significance score of at least 7?","exampleUseCases":null,"resultDescription":"A JSON object containing a count of matching events, the data source identifier, and an array of CPI-U change records — each with type, title, summary, detailed fields (value, period, month-over-month change), significance score (1–10), detected timestamp, effective date, and a link to the primary BLS source for verification.","failureModes":["Invalid `since` timestamp format returns a 400 validation error","`limit` out of range (< 1 or > 500) returns a 400 error","`min_significance` out of range (< 1 or > 10) returns a 400 error","No new CPI prints matching the criteria returns an empty `changes` array with count 0","Payment failure or missing x402 payment header returns a 402 Payment Required response","BLS source temporarily unavailable may result in stale or empty results"],"whenToPreferThis":"Prefer this endpoint when you need structured, machine-readable CPI-U all-items inflation change events with significance scoring and recency filtering — especially for automated monitoring pipelines or change-detection workflows. If you need a narrative summary of the CPI trend instead of raw data, use the sibling LLM-written CPI trend endpoint. If you need core CPI (less food & energy) rather than all-items, use the core CPI endpoint.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:59:32.147Z","isFirstParty":false}