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Polymarket streaming APIs and WebSockets

Choose a documented subscription interface when your application needs ongoing market, wallet or reference updates. Compare the actual events supplied, not just the claim of live data.

How to choose streaming data

Distinguish delivery from display

A live chart shows information; a downloadable tick file supplies stored records. Neither alone establishes a subscription feed your application can consume.

Inspect the connection

  • Check event types and timestamp definitions.
  • Read reconnect behavior and authentication requirements.
  • Compare delivery limits for the selected feed.
  • Choose historical data separately when you need a past dataset.
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Bitquery Polymarket GraphQL datasets and response example
Bitquery Polymarket API
Data API4.0Editorial

Query and stream decoded trades, token balances and settlement events.

  • Access API
Goldsky on-chain data platform and delivery destinations
Goldsky
Data API4.0Editorial

Replicate fills, positions and balances for custom analytics, applications and alerts.

  • Access API · CLI
PMWallets public entity leaderboard and filters, with address visibility depending on access.
PMWallets
Analytics4.0Editorial

Entity-level wallet research with uncertainty metrics, accounting caveats and explicit address-access costs.

  • Access Web
Polymarket public sports channel and heartbeat documentation
Polymarket Sports WebSocket
Data API4.0Editorial

Bring live scores, periods and game status into a sports-market interface.

  • Access API
ARBITER unified API entry page and sample market view
ARBITER
Data API3.5Editorial

Query normalized markets, historical books, wallet analytics and possible event matches across Polymarket and Kalshi.

  • Access API
Assymetrix prediction-market API overview and supported platforms
Assymetrix
Data API3.5Editorial

A live multi-venue data portal for canonical markets and history, alongside a separate consumer-platform preview.

  • Access Web · API
Bravado prediction-market infrastructure overview
Bravado
Trading terminal3.5Editorial

Join historical data, live streams, account economics and supported execution through one infrastructure stack.

  • Trading mode Manual · Live automation
  • Access Web · API
METAR.ws WebSocket METAR API introduction and connection example
METAR.ws
Data feed3.5Editorial

Stream airport reports and station-level model signals for weather research without building a GRIB parsing pipeline.

  • Access API
OrcaLayer wallet leaderboard and filtering controls.
OrcaLayer
Analytics3.5Editorial

Read-only Polymarket wallet research with farming filters, monitoring and licensed data access.

  • Access Web · Telegram · API
Polynode Charts SDK example and real-time data displays.
Polynode
Data API3.5Editorial

Filtered WebSockets, wallet history, market metadata and order-book data with explicit account-level limits.

  • Access API · CLI
PolySocket official wallet-feed presentation with provider JSON example
PolySocket
Data feed3.5Editorial

An authenticated live wallet-activity feed that leaves sizing, risk checks, signing and order routing to your application.

  • Access WebSocket API
PolyTape product overview
PolyTape
Analytics3.5Editorial

Read the sequence behind a trader’s result through market-level fills, position replay and saved activity.

  • Access Web · API · MCP