Apinator is a free hosted WebSocket service for developers. Add real-time features — live chat, presence indicators, notifications, collaborative cursors — without managing socket servers. → Public, private, and presence channels out of the box → SDKs for JS, Node, Python, Go, PHP, Swift, and Kotlin → TypeScript-first with full type coverage → HMAC-signed auth for private channels → Multi-region — deploy your users close to your data