{"uid":"cap_kTu3oHphHKxnmztduTUAr","slug":"web-production-60258-up-railway-app-2d803e8c","name":"Macro Indicators Period-over-Period Delta","description":"Period-over-period change across key macro indicators","url":"https://web-production-60258.up.railway.app/macro/delta","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":{"series":{"type":"string","description":"Series name or FRED ID (e.g. \"inflation\", \"CPIAUCSL\"). Omit for 8 default series."},"periods":{"type":"integer","description":"Periods to look back (default 4, max 24)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_UwS3sFwGV5VG0jXbu4tvc","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns period-over-period changes (deltas) across key macroeconomic indicators using FRED data series","exampleAgentPrompt":"Show me the period-over-period changes in inflation and unemployment over the last 8 periods so I can see the trend direction.","exampleUseCases":null,"resultDescription":"Returns a structured object showing period-over-period deltas for one or more macro series (e.g. CPI, GDP, unemployment, federal funds rate). Each entry includes the current and prior period values, the absolute and/or percentage change, and timestamps. If no series is specified, returns deltas for 8 default key macro indicators.","failureModes":["Invalid or unrecognized FRED series ID or name returns an error or empty result","Periods value exceeding max of 24 may be rejected or clamped","Series with insufficient historical data may return partial results","Payment failure (402) if x402 payment header is missing or insufficient","Rate limiting or upstream FRED API unavailability may cause 5xx errors"],"whenToPreferThis":"Use this endpoint when you need to understand how macro indicators have changed over time — not just current values — especially for trend analysis, economic monitoring, or comparative reports. Prefer this over the raw FRED series endpoint when you want pre-computed deltas rather than raw level data, and over the all-indicators snapshot endpoint when period-over-period change is specifically required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:34:38.613Z","isFirstParty":false}