---
url: https://talkjs.com/docs/Data_APIs
---

# Data APIs

Ask a question Copy for LLM [View as Markdown](/docs/Data_APIs.md)
The TalkJS Data APIs let you build fully custom chat UIs and interact with TalkJS data in real time. Use them to read, subscribe to, and update chat data directly from your application.

Looking for a ready-made chat UI? See the [UI Components](/docs/UI_Components/).

[### JavaScript Data API](/docs/Data_APIs/JavaScript/) [### Kotlin Data API](/docs/Data_APIs/Kotlin/)