{"uid":"cap_zYv64JYnNhNXX_IBzJKzj","slug":"agentshop-x402-macroeconomic-yearbook-2020-report-api-938029e9","name":"Agentshop x402 Macroeconomic Yearbook 2020 Report API","description":"Machine-to-machine macroeconomic report API. Pay per fetch in USDC over x402. 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Output includes key findings, a ranking table, share-of-group totals, trend lines with R², volatility metrics, a full year-by-year data matrix, and coverage/data-quality disclosures. Available in html, json, csv (long panel), or summary-csv (one row per economy) format.","failureModes":["Payment not included or insufficient USDC — returns HTTP 402 with payment requirements","Invalid or unsupported format query parameter — may return 400 or default format","Report endpoint unavailable or host unreachable — returns 503 or timeout","x402 facilitator network issues causing payment verification failure","Free preview endpoint (/preview/yearbook-2020) accessible without payment but returns limited data"],"whenToPreferThis":"Choose this endpoint when you need structured, multi-format macroeconomic panel data for 20 economies across 2016–2020 without requiring account registration or API keys. Ideal for AI agents that can handle x402 micropayments in USDC and need GDP, inflation, unemployment, or population data in machine-readable formats (JSON, CSV) for analysis, reporting, or pipeline ingestion. Prefer over general data APIs when frictionless pay-per-fetch access and pre-computed trend statistics (R², volatility) are needed.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T00:45:49.045Z","isFirstParty":false,"canonicalSlug":"agentshop-x402-macroeconomic-yearbook-2020-report-api-938029e9"}