{"uid":"cap_zy9T8Hh46XzNOZF3P3KPv","slug":"cpi-u-inflation-trend-brief-llm-written-30d93a22","name":"CPI-U Inflation Trend Brief (LLM-Written)","description":"An LLM-written read on the recent trend in CPI-U (all items, inflation).","url":"https://oracles-production.up.railway.app/v1/econ-cpi/brief","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":{"since":{"type":"string","format":"date-time","description":"Window start (default: last 30 days)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"brief":{"type":"string"},"generatedBy":{"enum":["llm","template"],"type":"string"},"basedOnChanges":{"type":"integer"}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.25","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":"$0.25/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_zJIoWeaU-mk9zPb7HQka2","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.25","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns an LLM-generated narrative summary of the recent trend in CPI-U (all items, consumer price inflation) based on the latest data points.","exampleAgentPrompt":"Give me an AI-written summary of the recent CPI-U inflation trend — what's been happening with consumer prices over the last 30 days?","exampleUseCases":null,"resultDescription":"A short LLM-generated narrative ('brief') describing the recent trend in CPI-U all-items inflation, along with metadata indicating whether the text was generated by an LLM or a template and how many data changes it was based on.","failureModes":["No recent CPI data available — returns empty or minimal brief","Invalid 'since' datetime format returns a 400 error","Payment not provided or insufficient — returns 402 Payment Required","Upstream BLS data unavailable — brief may reflect stale data","LLM generation failure — may fall back to template-based output"],"whenToPreferThis":"Choose this endpoint when you need a human-readable, narrative interpretation of recent CPI-U inflation trends rather than raw data points. Ideal for agents that need to explain economic conditions to end users in plain language. Prefer over sibling raw-data endpoints when the goal is communication or summarization rather than numerical analysis.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:58:02.834Z","isFirstParty":false}