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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

How to choose

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

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17 tools · 13–17 shown

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River Markets — One API for every venue you trade.

River Markets3.5Editorial

Trading terminal

Manage multi-venue order books, execution algorithms, positions and PnL through a professional terminal or a signed REST/WebSocket API.

Trading mode Manual · Live automation
Access Web · API

Oddpool: Institutional and self-service data access overview.

Oddpool3.0Editorialrestricted

Data API

Research cross-venue markets and data through Oddpool. Free accounts and existing subscriptions continue, but new paid subscriptions are closed.

Data coverage Markets · Order books · Trades · Prices
Access Web · API

Polymarket RTDS: RTDS-to-PolyBolt migration and topic changes.

Polymarket RTDS3.0Editorial

Data API

Follow Polymarket real-time activity and migrate legacy reference-price subscriptions to the current PolyBolt stream.

Data coverage Reference prices · Comments · Trade activity
Access API

Official notice that Dome was acquired and its API reached end of life.

Dome1.0Editorialdiscontinued

Data API

Retired prediction-market API toolkit. Use its documentation to identify and migrate existing market-data, wallet and streaming integrations.

Struct: Polymarket service closure notice.

Struct1.0Editorialdiscontinued

Data API

Former Polymarket REST and streaming data service. Polymarket support has ended; existing integrations need a replacement data source.