Binance Futures Upgrades WebSocket Architecture for USDⓈ-M Futures, Legacy URLs Retire April 23

Key takeawaysBinance has upgraded the USDⓈ-M Futures WebSocket infrastructure.Three new WebSocket endpoints have been introduced: Public, Market, and Private.The upgrade aims to improve traffic routing, stability, and scalability.Legacy WebSocket URLs will be permanently retired on April 23, 2026.Binance Introduces New WebSocket Structure for Futures DataBinance Futures has implemented a new WebSocket URL architecture for its USDⓈ-M Futures platform to handle increasing WebSocket traffic and improve system reliability.The update separates WebSocket traffic into three dedicated endpoints based on data type, allowing for clearer routing and better operational stability.The three new WebSocket base URLs are:Public (High-frequency market data)wss://fstream.binance.com/publicMarket (Standard market data streams)wss://fstream.binance.com/marketPrivate (User data streams)wss://fstream.binance.com/privateThis separation allows Binance to optimize performance for different data streams and improve connection management.Supported WebSocket Access ModesThe upgraded infrastructure continues to support both connection formats used by developers and trading systems.Supported modes include:ws mode – path-based subscriptionstream mode – subscription via ?streams= queryFor private user data, the system supports listenKey-based subscriptions combined with event streams, enabling multiple listenKeys and events to be used simultaneously.Combined streams also remain supported under the new architecture.Example WebSocket EndpointsExamples of the new structure include:Public data (ws mode)wss://fstream.binance.com/public/ws/btcusdt@depthMarket data (stream mode)wss://fstream.binance.com/market/stream?streams=btcusdt@markPricePrivate user datawss://fstream.binance.com/private/ws?listenKey=&events=ORDER_TRADE_UPDATELegacy WebSocket URLs to Be Retired April 23The new endpoints are available immediately, but Binance has announced that legacy WebSocket URLs will be permanently retired on April 23, 2026.Developers and trading platforms using Binance Futures APIs are advised to:Migrate to the new /public, /market, and /private endpointsEnsure streams are routed to the correct categoryComplete upgrades before the deadline to avoid trading interruptionsFurther technical details and endpoint mappings are available in the Binance Futures API documentation and change logs.