{"uid":"cap_y3LLebL_Bd75yuesvvBM8","slug":"sundayfactoryx-cross-venue-perpetuals-market-data-5ca1d2ed","name":"SundayFactoryX Cross-Venue Perpetuals Market Data","description":"Pay-per-call (x402) market-data + research API for autonomous agents. Paid endpoints return HTTP 402 with an x402 v2 payment challenge; pay in USDC on Base with any x402-aware client.","url":"https://api.sundayfactoryx.com/v1/market/perp/cross-venue?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"format":{"enum":["json"],"type":"string","description":"response format (JSON envelope)"}}},"responseSchema":{"type":"object"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_OaM0kz4PpM5GVj2wSuGc6","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns aggregated perpetual futures market data across multiple trading venues for autonomous agent consumption, paid via x402 micropayment in USDC on Base.","exampleAgentPrompt":"Pull the latest cross-venue perpetual futures market data — funding rates, open interest, and prices aggregated across all supported exchanges — in JSON format.","exampleUseCases":[{"title":"Funding rate arbitrage signal detection","prompt":"Get me the current funding rates for perpetual futures across all venues so I can identify any arbitrage opportunities between exchanges."},{"title":"Cross-venue perp liquidity comparison","prompt":"Fetch the cross-venue perpetuals snapshot so I can compare open interest and liquidity depth across all supported trading venues right now."},{"title":"Automated perp market monitoring agent","prompt":"Retrieve the latest aggregated perpetual futures market data across all exchanges — I want to track price divergences and funding rate shifts for my trading strategy."}],"resultDescription":"A JSON envelope containing aggregated perpetual futures market data spanning multiple trading venues, likely including prices, funding rates, open interest, and venue-specific metrics for crypto derivatives contracts.","failureModes":["HTTP 402 returned when USDC payment challenge not satisfied — requires x402-aware client to complete micropayment","Payment failure if wallet has insufficient USDC on Base","Stale or unavailable data if upstream venue feeds are down","Empty or partial response if specific venue data is temporarily unavailable","Rate limiting or access denial if payment flow is not correctly implemented"],"whenToPreferThis":"Choose this endpoint when your agent needs real-time cross-venue perpetual futures market data aggregated into a single call, especially in automated trading or research workflows that benefit from micropayment-gated API access via x402 and USDC on Base. Prefer over single-venue APIs when comparing funding rates or liquidity across multiple exchanges simultaneously.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T18:38:28.338Z","isFirstParty":false,"canonicalSlug":"sundayfactoryx-cross-venue-perpetuals-market-data-5ca1d2ed"}