{"uid":"cap_aXE6wLz-kpJ6Hv7gFg6oE","slug":"hyperliquid-prediction-markets-most-active-31ebe1c9","name":"Hyperliquid Prediction Markets Most Active","description":"First-party Hyperliquid trading intelligence: perp fills, position lifecycles, all-wallet leaderboards, trader cohorts, liquidation risk and HIP-4 prediction markets - computed from our own node_fills ledger plus the Hyperliquid public info API (no third-party data source). Free discovery (/healthz, /v1/stats, /.well-known/x402, /v1/openapi.json) and free sample routes (/v1/markets/overview, /v1/assets); all other API calls are $0.001 USDC per request via x402 on Base (no account, no API key).","url":"https://hyperliquid-data.v1337.org/v1/predictions/most-active","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object","description":"Operator-defined JSON payload. Probe the upstream or consult the operator's /openapi.json for the concrete shape.","additionalProperties":true},"type":{"type":"string","const":"http"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"headers":{"type":"object","additionalProperties":{"type":"string"}},"bodyType":{"enum":["json","form-data","text"],"type":"string"},"queryParams":{"type":"object","additionalProperties":{"type":"string"}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{}},"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":"down","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_LvHs9abyAvJhsomqEkGo8","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 the most actively traded HIP-4 prediction markets on Hyperliquid, ranked by trading activity metrics","exampleAgentPrompt":"Show me the most actively traded HIP-4 prediction markets on Hyperliquid right now — I want to see which ones have the highest trading activity.","exampleUseCases":[{"title":"Discovering liquid prediction markets","prompt":"What are the most active prediction markets on Hyperliquid right now? I want to find HIP-4 markets with enough trading volume to actually get in and out of positions."},{"title":"Research dashboard for prediction market traders","prompt":"Pull up the most actively traded Hyperliquid prediction markets — I'm building a dashboard and need to show users which HIP-4 markets are trending by activity."},{"title":"Identifying market sentiment signals","prompt":"Which Hyperliquid prediction markets are seeing the most action today? I want to use high-activity markets as a signal for where traders think big events will happen."}],"resultDescription":"A ranked list of the most active HIP-4 prediction markets on Hyperliquid, likely including market identifiers, asset/event names, trading volume, open interest, number of participants or fills, and activity scores derived from the operator's node_fills ledger and Hyperliquid's public info API.","failureModes":["402 Payment Required if x402 USDC payment on Base is not provided or fails","Empty results if no prediction markets are currently active on Hyperliquid","503/timeout if the operator's node or Hyperliquid public API is unavailable","Malformed body returns 400 if required JSON fields are missing or incorrect","Stale data if the node_fills ledger has a sync lag behind the live chain"],"whenToPreferThis":"Choose this endpoint when you need first-party, on-chain derived activity rankings for Hyperliquid HIP-4 prediction markets specifically — computed from the operator's own node_fills ledger rather than a third-party aggregator. Prefer it over generic DeFi analytics APIs when the user explicitly wants Hyperliquid prediction market activity, most-active or trending markets, or liquidity signals for HIP-4 instruments.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T22:28:07.374Z","isFirstParty":false}