Sendbird In-App Chat API

Sendbird is a conversational API platform providing chat, voice, and video infrastructure for mobile apps and websites. Founded in 2013 by John S. Kim (CEO) and Ho Jin Lee, headquartered in San Mateo, California with offices in Seoul and London. Raised over $221 million from investors including ICONIQ Growth and Tiger Global, reaching $1.05 billion valuation in 2021. Serves over 300 million monthly active users including Reddit, Hinge, and ServiceNow. Key features: chat API: messaging API for 1-on-1 and group chats with channels, threaded messages, reactions, typing indicators, read receipts, file attachments, link previews, mentions, profanity filtering, polls, and search. Voice and video calls: WebRTC-based 1-on-1 and group calling with screen sharing. SDKs: iOS (Swift), Android (Kotlin/Java), JavaScript/TypeScript, React Native, Flutter, Unity. UI kits: open-source, customizable component libraries for rapid integration. Style with themes and custom branding. Scalability: handles millions of concurrent connections and billions of messages. Multi-region deployment. Moderation: AI-powered content moderation with image scanning, profanity detection, and automated actions. Profanity filtering in 30+ languages. Notifications: push notifications for iOS (APNs) and Android (FCM). Analytics: dashboards for message volume, active users, retention, engagement. User management: profiles, block lists, muting, banned user lists, role-based permissions. REST API and webhooks. Message translation. Go/JavaScript. Proprietary.