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Polymarket Streaming APIs and WebSockets

Connect to documented WebSocket, SSE or other subscription feeds for market, wallet and reference data. Live charts and downloadable tick files are separate tools.

How to choose streaming data

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Check the event types, timestamps, reconnect behavior, authentication and delivery limits.

17 tools · 1–12 shown

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Bitquery Polymarket API: Polymarket GraphQL datasets and example response.
Data API

Query and stream decoded Polymarket on-chain trades, balances, market creation and settlement through Bitquery’s blockchain data platform.

  • Data coverage Trades · Positions · Settlement
  • Access API
Goldsky: On-chain data platform and delivery destinations.
Goldsky4.0Editorial
Data API

Send Polymarket fills, positions and balances into your database for analytics or applications.

  • Data coverage Trades · Positions
  • Access API · CLI
Polymarket Sports WebSocket: Public sports channel and heartbeat messages.
Data API

Stream live game scores, status and period updates from Polymarket’s public sports WebSocket.

  • Data coverage Sports events
  • Access API
ARBITER: Unified data API entry page and sample market view.
ARBITER3.5Editorial
Data API

Query normalized Polymarket and Kalshi markets, historical books, wallet analytics and matched events through one data API.

  • Data coverage Markets · Events · Order books · Trades · Prices · Positions · Cross-venue matches
  • Access API
Assymetrix: Prediction-market API overview and supported platforms.
Assymetrix3.5Editorial
Data API

Query prediction-market metadata, prices, trades and order books across venues through a normalized data API.

  • Data coverage Markets · Events · Prices · Trades · Order books
  • Access Web · API
Bravado: Prediction-market infrastructure overview.
Bravado3.5Editorial
Trading terminal

Integrate historical data, live streams, account economics and supported execution through a shared prediction-market infrastructure stack.

  • Trading mode Manual · Live automation
  • Access Web · API
METAR.ws: Metar Ws — WebSocket METAR API — connect in 3 lines
METAR.ws3.5Editorial
Data feed

Stream airport observations and station-level weather-model signals for temperature-market research without maintaining a GRIB parsing pipeline.

  • Access API
OrcaLayer — wallet leaderboard and filters
OrcaLayer3.5Editorial
Analytics

Research wallet skill and consensus while filtering reward-farming activity out of the results.

  • Access Web · Telegram · API
Polynode: Charts SDK example and supported real-time data displays.
Polynode3.5Editorial
Data API

Build Polymarket applications with filtered trade and settlement streams, wallet history, enriched market data and order-book subscriptions.

  • Data coverage Trades · Settlement · Markets · Order books · Account activity
  • Access API · CLI
Polytape — product overview
PolyTape3.5Editorial
Analytics

Replay a wallet’s entries and exits on charts to understand how its trading record was built.

  • Access Web · API · MCP
Predexon: Tick history, streaming and analytics product overview.
Predexon3.5Editorial
Data API

Combine cross-venue market data, wallet analytics, live streams and separately priced tick-history downloads through one provider.

  • Data coverage Markets · Order books · Prices · Trades · Positions · Account activity
  • Access API
Predkit — product overview
predkit3.5Editorial
Data API

Read normalized markets, matched cross-venue pairs and arbitrage/structural alerts through a REST API and resumable event stream.

  • Data coverage Markets · Prices · Order books · Cross-venue matches
  • Access API · MCP