---
title: Record specific participant audio tracks in RealtimeKit
description: You can now record specific participant audio tracks in RealtimeKit with track recording.
image: https://developers.cloudflare.com/changelog-preview.png
---

> Documentation Index  
> Fetch the complete documentation index at: https://developers.cloudflare.com/changelog/llms.txt  
> Use this file to discover all available pages before exploring further. 

[Skip to content](#%5Ftop) 

# Changelog

New updates and improvements at Cloudflare.

[ Subscribe to RSS ](https://developers.cloudflare.com/changelog/rss/index.xml) [ View RSS feeds ](https://developers.cloudflare.com/fundamentals/new-features/available-rss-feeds/) 

![hero image](https://developers.cloudflare.com/_astro/hero.CVYJHPAd_26AMqX.svg) 

[ ← Back to all posts ](https://developers.cloudflare.com/changelog/) 

## Record specific participant audio tracks in RealtimeKit

May 28, 2026 

[ Realtime ](https://developers.cloudflare.com/realtime/) 

You can now record specific participant audio tracks in RealtimeKit with [track recording](https://developers.cloudflare.com/realtime/realtimekit/recording-guide/track-recording/). Track recording creates separate WebM files for each participant instead of a single composite recording, which is useful for post-processing, transcription, and regulated or content-sensitive workflows.

To record specific participants, pass `user_ids` when starting a track recording:

Terminal window

```
curl --request POST \  --url https://api.cloudflare.com/client/v4/accounts/<account_id>/realtime/kit/<app_id>/recordings/track \  --header 'Authorization: Bearer <api_token>' \  --header 'Content-Type: application/json' \  --data '{  "meeting_id": "97440c6a-140b-40a9-9499-b23fd7a3868a",  "user_ids": ["user-123", "user-456"]}'
```

To pass `user_ids` for selective track recording, use the following minimum SDK versions:

* Web Core: `@cloudflare/realtimekit` version `1.4.0` or later
* Web UI Kit: `@cloudflare/realtimekit-ui`, `@cloudflare/realtimekit-react-ui`, or `@cloudflare/realtimekit-angular-ui` version `1.1.2` or later
* Android Core or iOS Core: version `2.0.0` or later
* Android UI Kit or iOS UI Kit: version `1.1.0` or later

[RealtimeKit](https://developers.cloudflare.com/realtime/realtimekit/) provides SDKs and UI components so that you can build your own meeting experience on Cloudflare's [global WebRTC infrastructure](https://developers.cloudflare.com/realtime/#realtime-sfu). Teams today build products ranging from telehealth to education on RealtimeKit for global audiences. You can get started today with our [Quickstart](https://developers.cloudflare.com/realtime/realtimekit/quickstart/) or take a look at our [Cloudflare Meet repo ↗](https://github.com/cloudflare/meet) as a reference.

```json
{"@context":"https://schema.org","@type":"BlogPosting","@id":"https://developers.cloudflare.com/changelog/post/2026-05-28-realtimekit-track-recording/#page","headline":"Record specific participant audio tracks in RealtimeKit · Changelog","description":"You can now record specific participant audio tracks in RealtimeKit with track recording.","url":"https://developers.cloudflare.com/changelog/post/2026-05-28-realtimekit-track-recording/","inLanguage":"en","image":"https://developers.cloudflare.com/changelog-preview.png","dateModified":"2026-05-28","datePublished":"2026-05-28","publisher":{"@type":"Organization","name":"Cloudflare","url":"https://www.cloudflare.com/"},"isPartOf":{"@type":"WebSite","@id":"https://developers.cloudflare.com/#website","name":"Cloudflare Docs","url":"https://developers.cloudflare.com/"}}
```