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

# Websocket API

> WebSocket API base endpoints, available public and private topics, and subscription/unsubscription format.

## Market Data Base Endpoints:

Mainnet: `wss://ws-evm.orderly.org/ws/stream/{account_id}`

Testnet: `wss://testnet-ws-evm.orderly.org/ws/stream/{account_id}`

`{account_id}` is your account id.

Users can subscribe/unsubscribe to topics such as: `orderbook`, `trade`, `ticker`, `kline_1m`. See individual topic pages for the full list of available topics.

## Private User Data Stream Base Endpoints:

Mainnet: `wss://ws-private-evm.orderly.org/v2/ws/private/stream/{account_id}`

Testnet: `wss://testnet-ws-private-evm.orderly.org/v2/ws/private/stream/{account_id}`

`{account_id}` is your account id

Users need to be authenticated before subscribing to any topic. They would be disconnected if authentication fails. For more information, refer to the [Authentication](/build-on-omnichain/websocket-api/authentication) section.

Users can subscribe/unsubscribe to topics such as: `account`, `balance`, `position`, `executionreport`. See individual topic pages for the full list of available topics.