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PolyNode exposes authenticated REST APIs for Polymarket market data, wallet analytics, positions, trades, builders, orderbooks, profiles, search, and supporting tools.

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Core APIs

APIUse it for
V3 Data APIPolymarket markets, positions, trades, wallet P&L, builders, combos, rewards, tags, fees, and global stats.
Wallet P&LWallet summaries, realized P&L, P&L events, open positions, and wallet activity.
Markets & SearchMarket discovery, condition lookups, market-level positions, prices, and trades.
OrderbookCurrent orderbook, midpoint, and spread snapshots.
ProfilesPolymarket profile lookup and username setup flows.
Onchain V2Legacy onchain V2 trade, position, redemption, volume, and candle endpoints.

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Base URLs

SurfaceBase URL
REST APIhttps://api.polynode.dev
WebSocket streamswss://polynode.dev/ws
Orderbook streamwss://polynode.dev/orderbook/ws

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Authentication

Send your API key with either x-api-key, Authorization: Bearer <key>, or ?key=<key>.

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Rate Limits

REST and streaming limits vary by plan. See Rate Limits for the current public limits, including the separate bucket for heavy trade-history endpoints.