> For the complete documentation index, see [llms.txt](/llms.txt)

# GS2-Gateway API Reference

WebSocket notification feature



[Introduction to Microservices / GS2-Gateway](../../microservices/gateway)



- [GS2-Gateway Deploy/CDK Reference](/api_reference/gateway/deploy/)
  
- [GS2-Gateway SDK API Reference](/api_reference/gateway/sdk/)
  
- [GS2-Gateway SDK for Game Engine API Reference](/api_reference/gateway/game_engine/)