A drop-in SDK and backend service that makes it easy to add realtime in-app messaging and chat. SendBird provides all the features you need to enable one-to-one messaging, group messages, or public chat rooms, including customisable white-label UI elements, and a powerful realtime chat API. You get complete control over your chat platform with profanity filtering, user blocking, multi-platform SDKs and an analytics dashboard. Your users get messages syncing across all their devices, typing indicators, read receipts, and delivery status. It's free to get started with additional paid plans.