{ "openapi": "3.0.1", "info": { "title": "Polymarket API - Markets, Odds, Order Book & Trades", "description": "Live and historical Polymarket prediction market data as clean JSON: prices, implied probability, volume, liquidity, order book, trades and price history. 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You can also paste a polymarket.com event/market URL - the last path segment is used.", "items": { "type": "string" } }, "marketIds": { "title": "Market IDs", "type": "array", "description": "Specific markets by numeric Gamma market ID, e.g. 4331478.", "items": { "type": "string" } }, "conditionIds": { "title": "Condition IDs", "type": "array", "description": "Specific markets by on-chain condition ID (0x...), as used by the CLOB and Data API.", "items": { "type": "string" } }, "eventSlugs": { "title": "Event slugs", "type": "array", "description": "Specific events, e.g. xi-jinping-out-before-2027. Returns every outcome market of the event. You can also paste a polymarket.com event URL.", "items": { "type": "string" } }, "tagSlug": { "title": "Tag / category", "type": "string", "description": "Fetch every live market under one Polymarket tag, e.g. politics, crypto, sports, nfl, bitcoin, fed. Used only when no market/event selector above is given. Polymarket's tag list is large and free-form (no fixed category list); see polymarket.com for tag names. Leave all selectors empty to scan the whole exchange." }, "status": { "title": "Market status", "enum": [ "open", "closed", "all" ], "type": "string", "description": "open = tradeable now. closed = trading ended (includes markets awaiting settlement and already-resolved ones). all = everything.", "default": "open" }, "search": { "title": "Text filter", "type": "string", "description": "Keep only markets whose question, event title, slug, description or tags contain ALL of these words (case-insensitive). Example: bitcoin 150000" }, "closesWithinDays": { "title": "Closes within (days)", "minimum": 1, "maximum": 3650, "type": "integer", "description": "Only markets closing within the next N days. Useful with status = open." }, "closedWithinDays": { "title": "Closed within last (days)", "minimum": 1, "maximum": 3650, "type": "integer", "description": "Only markets that closed in the last N days. Use with status = closed or all to build a backtesting history." }, "minVolume": { "title": "Minimum volume (USD)", "minimum": 0, "type": "integer", "description": "Skip illiquid markets with lifetime volume below this many dollars.", "default": 0 }, "minLiquidity": { "title": "Minimum liquidity (USD)", "minimum": 0, "type": "integer", "description": "Skip markets with current order book liquidity below this many dollars.", "default": 0 }, "maxItems": { "title": "Max markets", "minimum": 1, "type": "integer", "description": "Stop after this many markets. You are only charged for markets actually saved. Default 100 keeps a first test run around $0.15; raise it for full exports.", "default": 100 }, "includeOrderbook": { "title": "Include order book", "type": "boolean", "description": "Attach the current order book (bids, asks, best bid/ask, depth) for every outcome. Charged as one enrichment per market.", "default": false }, "orderbookDepth": { "title": "Order book depth (levels per side)", "minimum": 1, "maximum": 100, "type": "integer", "description": "Number of price levels to return per side of the book.", "default": 10 }, "includeTrades": { "title": "Include recent trades", "type": "boolean", "description": "Attach the most recent trade fills for each market. Only the public on-chain wallet address is kept per trade - no names, bios or profile images.", "default": false }, "maxTradesPerMarket": { "title": "Max trades per market", "minimum": 1, "maximum": 10000, "type": "integer", "description": "Upper limit of trade fills attached to each market, newest first.", "default": 100 }, "tradesLookbackHours": { "title": "Trades lookback (hours)", "minimum": 1, "type": "integer", "description": "Only trades from the last N hours. Leave empty for the most recent trades regardless of age." }, "includePriceHistory": { "title": "Include price history", "type": "boolean", "description": "Attach OHLC-free price-over-time history for every outcome.", "default": false }, "historyInterval": { "title": "Price history interval", "enum": [ "1h", "6h", "1d", "1w", "1m", "max" ], "type": "string", "description": "Length of the history window.", "default": "1h" }, "historyFidelityMinutes": { "title": "Price history fidelity (minutes)", "minimum": 1, "maximum": 43200, "type": "integer", "description": "Minutes between price points.", "default": 60 } } }, "runsResponseSchema": { "type": "object", "properties": { "data": { "type": "object", "properties": { "id": { "type": "string" }, "actId": { "type": "string" }, "userId": { "type": "string" }, "startedAt": { "type": "string", "format": "date-time", "example": "2025-01-08T00:00:00.000Z" }, "finishedAt": { "type": "string", "format": "date-time", "example": "2025-01-08T00:00:00.000Z" }, "status": { "type": "string", "example": "READY" }, "meta": { "type": "object", "properties": { "origin": { "type": "string", "example": "API" }, "userAgent": { "type": "string" } } }, "stats": { "type": "object", "properties": { "inputBodyLen": { "type": "integer", "example": 2000 }, "rebootCount": { "type": "integer", "example": 0 }, "restartCount": { "type": "integer", "example": 0 }, "resurrectCount": { "type": "integer", "example": 0 }, "computeUnits": { "type": "integer", "example": 0 } } }, "options": { "type": "object", "properties": { "build": { "type": "string", "example": "latest" }, "timeoutSecs": { "type": "integer", "example": 300 }, "memoryMbytes": { "type": "integer", "example": 1024 }, "diskMbytes": { "type": "integer", "example": 2048 } } }, "buildId": { "type": "string" }, "defaultKeyValueStoreId": { "type": "string" }, "defaultDatasetId": { "type": "string" }, "defaultRequestQueueId": { "type": "string" }, "buildNumber": { "type": "string", "example": "1.0.0" }, "containerUrl": { "type": "string" }, "usage": { "type": "object", "properties": { "ACTOR_COMPUTE_UNITS": { "type": "integer", "example": 0 }, "DATASET_READS": { "type": "integer", "example": 0 }, "DATASET_WRITES": { "type": "integer", "example": 0 }, "KEY_VALUE_STORE_READS": { "type": "integer", "example": 0 }, "KEY_VALUE_STORE_WRITES": { "type": "integer", "example": 1 }, "KEY_VALUE_STORE_LISTS": { "type": "integer", "example": 0 }, "REQUEST_QUEUE_READS": { "type": "integer", "example": 0 }, "REQUEST_QUEUE_WRITES": { "type": "integer", "example": 0 }, "DATA_TRANSFER_INTERNAL_GBYTES": { "type": "integer", "example": 0 }, "DATA_TRANSFER_EXTERNAL_GBYTES": { "type": "integer", "example": 0 }, "PROXY_RESIDENTIAL_TRANSFER_GBYTES": { "type": "integer", "example": 0 }, "PROXY_SERPS": { "type": "integer", "example": 0 } } }, "usageTotalUsd": { "type": "number", "example": 0.00005 }, "usageUsd": { "type": "object", "properties": { "ACTOR_COMPUTE_UNITS": { "type": "integer", "example": 0 }, "DATASET_READS": { "type": "integer", "example": 0 }, "DATASET_WRITES": { "type": "integer", "example": 0 }, "KEY_VALUE_STORE_READS": { "type": "integer", "example": 0 }, "KEY_VALUE_STORE_WRITES": { "type": "number", "example": 0.00005 }, "KEY_VALUE_STORE_LISTS": { "type": "integer", "example": 0 }, "REQUEST_QUEUE_READS": { "type": "integer", "example": 0 }, "REQUEST_QUEUE_WRITES": { "type": "integer", "example": 0 }, "DATA_TRANSFER_INTERNAL_GBYTES": { "type": "integer", "example": 0 }, "DATA_TRANSFER_EXTERNAL_GBYTES": { "type": "integer", "example": 0 }, "PROXY_RESIDENTIAL_TRANSFER_GBYTES": { "type": "integer", "example": 0 }, "PROXY_SERPS": { "type": "integer", "example": 0 } } } } } } } } } }