WebSocket support is now in Public Beta

Short summary

Vercel Functions now supports WebSocket connections in public beta, enabling bidirectional realtime features like interactive AI streaming, chat, and collaborative applications. WebSocket connections use standard Node.js libraries or Socket.IO with no additional configuration required. Billing applies only to active CPU processing time, not idle connections.

• •WebSocket support now in public beta on Vercel Functions
• •Standard Node.js libraries and Socket.IO supported with no extra config
• •Billing only applies to active CPU time, not idle connections

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