# Arena > Arena is an AI-powered audience engagement platform that lets publishers and brands build communities on their own websites with real-time Live Chat, Live Blog, Comments, Polls, and Q&A. Developers integrate via the Arena Platform API and official JavaScript, Android, and iOS SDKs, authenticating with an API key or a JWT (which also powers SSO). Backed by CRV, Felicis, Lightspeed Venture Partners, and Techstars. ## Products & APIs - [Arena Platform API (V3)](https://developers.arena.im/): REST API covering Liveblog, Live Chat, Analytics, Account, Stream, Users, Moderation, Polls, and Q&A. - [Arena Chat SDK](https://www.npmjs.com/package/@arena-im/chat-sdk): Official JavaScript client for Arena Live Chat. - [Arena Liveblog SDK](https://www.npmjs.com/package/@arena-im/liveblog-sdk): Official JavaScript client for Arena Live Blog. ## Documentation - [Developer Portal](https://developers.arena.im/) - [API Documentation](https://api-docs.arena.im/) - [Developer Help Center](https://help.arena.im/en/articles/5211494-documentation-for-developers) - [Authentication (API key + JWT/SSO)](https://developers.arena.im/) ## SDKs & Packages - [@arena-im/chat-sdk (npm)](https://www.npmjs.com/package/@arena-im/chat-sdk) - [@arena-im/liveblog-sdk (npm)](https://www.npmjs.com/package/@arena-im/liveblog-sdk) - [@arena-im/core (npm)](https://www.npmjs.com/package/@arena-im/core) - [Arena-SDK-iOS (GitHub)](https://github.com/stationfy/Arena-SDK-iOS) - [Arena-SDK-Android (GitHub)](https://github.com/stationfy/Arena-SDK-Android) - [GitHub organization (stationfy)](https://github.com/stationfy) ## Company - [Website](https://arena.im/) - [Pricing](https://arena.im/pricing/) - [Blog](https://arena.im/blog/) - [Sign Up](https://app.arena.im/auth/create) - [Terms of Service](https://arena.im/terms-of-service/) - [Privacy Policy](https://arena.im/privacy-policy/)