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

# Bind Node to Session

> Bind a node to a session

Binds a specified node to a session. Once bound, all tool calls for that session will be routed to this node.

<ParamField query="user_id" type="string" required>
  User ID
</ParamField>

<ParamField body="session_id" type="string" required>
  Session ID
</ParamField>

<ParamField body="node_id" type="string" required>
  Node ID
</ParamField>

<ResponseField name="success" type="boolean">Whether the operation was successful</ResponseField>
<ResponseField name="message" type="string">Operation result message</ResponseField>

<ResponseField name="binding" type="object">
  Binding details

  <Expandable title="binding">
    <ResponseField name="session_id" type="string">Session ID</ResponseField>
    <ResponseField name="user_id" type="string">User ID</ResponseField>
    <ResponseField name="node_id" type="string">Node ID</ResponseField>
  </Expandable>
</ResponseField>

<RequestExample>
  ```bash cURL theme={null}
  curl --request POST \
    --url 'https://zeus-api.agentspro.cn/node/bind?user_id=user_123' \
    --header 'Content-Type: application/json' \
    --data '{
      "session_id": "sess_456",
      "node_id": "node_abc"
    }'
  ```
</RequestExample>

<ResponseExample>
  ```json 200 theme={null}
  {
    "success": true,
    "message": "Session bound to Chrome Extension",
    "binding": {
      "session_id": "sess_456",
      "user_id": "user_123",
      "node_id": "node_abc"
    }
  }
  ```
</ResponseExample>