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

# Limits and errors

> WebSocket connection limits by tier and error codes.

## Limits by tier

| Tier       | Connections | Events    | Channels  | Snapshots |
| ---------- | ----------- | --------- | --------- | --------- |
| Free       | 1           | 2         | dist only | No        |
| Pro        | 3           | 10        | All       | Yes       |
| Premium    | 10          | Unlimited | All       | Yes       |
| Enterprise | Unlimited   | Unlimited | All       | Yes       |

## Error codes

| Code                  | Description                                                                                    |
| --------------------- | ---------------------------------------------------------------------------------------------- |
| `CHANNEL_NOT_ALLOWED` | Your tier does not have access to this channel type. Free tier only supports `dist:` channels. |
| `EVENT_LIMIT`         | Concurrent event subscription limit reached. Unsubscribe from an event to free up a slot.      |
| `CONNECTION_LIMIT`    | Maximum concurrent connections reached. Close an existing connection first.                    |