---
title: ai.agents.ui.ai_sdk
description: Reference for AI SDK UI message and SSE adapters.
type: reference
summary: Reference for ai.agents.ui.ai_sdk.
---

# ai.agents.ui.ai_sdk



`ai.agents.ui.ai_sdk` converts between AI SDK UI message streams and the Python
runtime.

## APIs

* `UIMessage`
* `to_messages`
* `extract_approvals`
* `apply_approvals`
* `to_sse`
* `to_stream`
* `to_ui_messages`
* `UI_MESSAGE_STREAM_HEADERS`


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For a semantic overview of all documentation, see [/sitemap.md](/sitemap.md)

For an index of all available documentation, see [/llms.txt](/llms.txt)