{"uid":"cap_qqDHiBVzy1H6iUNIai8J9","slug":"arbipulse-etf-nav-premium-discount-arbitrage-303c352c","name":"ArbiPulse ETF NAV Premium/Discount Arbitrage","description":"","url":"https://arbipulse.theaslangroupllc.com/api/etf","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","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":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_sXvJF3SV-iSEcB1GSxv0u","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns ETF NAV premium/discount arbitrage data for US, European, Asian, and crypto ETFs versus their underlying spot prices.","exampleAgentPrompt":"Pull the current NAV premium/discount arbitrage data for US equity ETFs — I want to see which ETFs are trading significantly above or below their underlying spot value right now, including the spread and any creation/redemption mechanics I should know about.","exampleUseCases":null,"resultDescription":"Returns NAV premium/discount spreads for ETFs across US, European, Asian, and crypto markets relative to spot prices, along with arbitrage mechanics such as creation/redemption details and net spread figures useful for trading decisions.","failureModes":["Invalid ETF ticker returns 404 or empty result","Unsupported region or asset class returns an error","Market closed or stale data may return outdated NAV","Rate limit exceeded returns 429","Payment not processed returns 402 payment required"],"whenToPreferThis":"Use this endpoint when you need structured ETF NAV premium/discount arbitrage data across multiple regions (US, Europe, Asia, crypto) and want to understand creation/redemption mechanics alongside the spread. Prefer this over generic price feeds when the specific ETF-to-spot arbitrage context is needed for trading agents.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-03T13:27:10.069Z","isFirstParty":false}