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REST

Used for all CLOB REST endpoints, denoted {clob-endpoint}. https://clob.polymarket.com/

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Data-API

An additional endpoint that delivers user data, holdings, and other on-chain activities. https://data-api.polymarket.com/

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WebSocket

Used for all CLOB WSS endpoints, denoted {wss-channel}. wss://ws-subscriptions-clob.polymarket.com/ws/