{"uid":"cap_cLm3Pvs2-Nxs4c_wBVTk6","slug":"x402stock-fund-nport-holdings-lookup-3a297011","name":"x402stock Fund NPORT Holdings Lookup","description":"Pay-per-call market and economic data API for AI agents: US stocks, ETFs and options, forex, crypto and on-chain perps, energy commodities, US and global macro (Fed, CPI, jobs, GDP, Treasury, World Bank), SEC filings, congressional trades, and market sentiment. No API keys, no accounts. Pay per request in USDC via x402 on 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Each holding includes name, title, CUSIP, ISIN, LEI, balance, units, currency, USD value, percent of total value, payoff profile, asset category, issuer category, and country.","failureModes":["Unknown or invalid fund identifier returns 404 or empty result","Fund has no NPORT-P filing on record — returns empty data","Limit parameter out of range (must be 1–500) returns validation error","Payment failure (insufficient USDC balance or x402 protocol error) blocks the request","SEC EDGAR data may lag by weeks after the report period end"],"whenToPreferThis":"Use this endpoint when you need structured SEC NPORT-P portfolio holdings data for a specific mutual fund or ETF — especially when you need CUSIP/ISIN-level detail, asset categories, USD valuations, and fund-level balance sheet figures sourced directly from SEC EDGAR. Prefer this over generic stock screeners when regulatory filing accuracy and full position-level detail matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:04:03.984Z","isFirstParty":false}