---
# @generated by sylphx-gen 0.1.0 from contracts@6a1bce71c4562366bcd933dde7dec01abbf14a9dde109a6ef2c4ea7c79f1fb3a. Do not edit.
title: "Presence in Channels"
description: "`realtime.channels.presence` (GET /v1/channels/{channel}/presence): Lists who is present on a channel."
type: reference
product: realtime
summary: "Lists who is present on a channel."
updated: 2026-09-28
nav: false
---

Lists who is present on a channel.

**Not available yet.** Sylphx Realtime is declared in the registry but no backend serves it: every call answers `501` with the problem code `UNIMPLEMENTED`.

- **Path** `GET https://api.realtime.sylphx.com/v1/channels/channel/presence`
- **Scope** `realtime:read`
- **Effect** `read` — nothing is written.
- **Collection** [channels](/docs/api/channels)
- **Query** `page_size`, `page_token`
- **Host** `https://api.realtime.sylphx.com`

## Request

| Field | Type | What it is |
| --- | --- | --- |
| `channel` | `string` | The channel, `namespace:name`. Required. |
| `page_size` | `int32` | At most this many members; default 100, at most 1,000. |
| `page_token` | `string` | The `next_page_token` of the previous page. |

## Response

| Field | Type | What it is |
| --- | --- | --- |
| `members` | `Member[]` | The members present. |
| `next_page_token` | `string` | Empty on the last page. |

### Member

| Field | Type | What it is |
| --- | --- | --- |
| `user` | `string` | The user id from the token. |
| `connection_id` | `string` | The connection id, unique while the connection lives. |
| `data` | `value` | The application's presence data, at most 4 KiB encoded. |
| `enter_time` | `timestamp` | When this connection entered. |

## Errors

- [`UNAUTHENTICATED`](/docs/api/errors/UNAUTHENTICATED) — No valid key or token was presented.
- [`PERMISSION_DENIED`](/docs/api/errors/PERMISSION_DENIED) — The key lacks the method's permission.
- [`INVALID_FIELD`](/docs/api/errors/INVALID_FIELD) — A field failed validation.
- [`RESOURCE_NOT_FOUND`](/docs/api/errors/RESOURCE_NOT_FOUND) — The named Resource does not exist or is not visible.

Every error arrives in the body [Errors](/docs/platform/errors) describes.

## Examples

**cURL**

```curl
curl "https://api.realtime.sylphx.com/v1/channels/channel/presence" \
  -H "Authorization: Bearer $SYLPHX_API_KEY"
```

**TypeScript**

```ts
const response = await sylphx.realtime.channels.presence({ channel: 'channel' })
```

**Rust**

```rust
let mut req = sylphx::realtime::ListPresenceRequest::default();
req.channel = "channel".to_string();
let response = sx.realtime().channels().presence(req).await?;
```

**MCP**

```json
{ "method_id": "realtime.channels.presence", "args": {"channel":"channel"} }
```