{"uid":"cap_5y95Y2s_U8CZs36WV8LLS","slug":"fathom-macroeconomic-data-api-release-series-lookup-2d7419c3","name":"Fathom Macroeconomic Data API — Release Series Lookup","description":"Free macroeconomic data API powered by FRED. 816,000+ economic time series. GDP, inflation, unemployment, interest rates, and more.","url":"https://fredthom.vercel.app/api/release-series","method":"POST","headers":{},"bodySchema":{"type":"object","required":["releaseId"],"properties":{"limit":{"type":"string","description":"Max results (default: 20)"},"releaseId":{"type":"string","description":"FRED release ID"}}},"responseSchema":{"type":"object","required":["source"],"properties":{"series":{"type":"array","items":{"type":"object"}},"source":{"type":"string"},"release_id":{"type":"string"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.4","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":"$0.4/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.4","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.4","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_efwP6Y-qIbpPelm9VR4l-","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.4","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns all economic time series belonging to a specific FRED data release, such as all series in the GDP or CPI release.","exampleAgentPrompt":"Can you pull all the economic time series that are part of FRED release 10 — show me up to 50 results?","exampleUseCases":null,"resultDescription":"Returns an array of economic time series objects associated with the specified FRED release ID, along with the source label and release ID echoed back. Each series object in the array contains metadata about an individual economic indicator belonging to that release.","failureModes":["Missing or invalid releaseId returns an error or empty series array","Non-existent FRED release ID returns empty results","Limit parameter ignored or defaulted to 20 if not provided","Payment failure (402) if x402 payment is not properly attached","Network timeout on Vercel serverless cold start"],"whenToPreferThis":"Use this endpoint when you need to discover or enumerate all economic time series that belong to a specific FRED data release (e.g., all series under the GDP release, the CPI release, or the Employment Situation release). Prefer this over a general series search when you already know the FRED release ID and want a structured list of all its constituent indicators.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:39:58.881Z","isFirstParty":false}