# Get a sub-agent's status

Retrieves information about a specific sub-agent, including its status and basic information.

Endpoint: GET /core/v1/chain/sub_agents/{sub_agent_id}
Version: v1
Security: APIKeyHeader

## Path parameters:

  - `sub_agent_id` (string, required)
    ID of the sub-agent to retrieve

## Response 200 fields (application/json):

  - `id` (string, required)
    Unique identifier for the sub-agent
    Example: "sa-1234abcd"

  - `name` (string, required)
    Name of the sub-agent
    Example: "Market Research Agent"

  - `description` (string, required)
    Description of the sub-agent's purpose
    Example: "Specialized agent for conducting market research and competitive analysis"

  - `status` (string, required)
    Current status of the sub-agent
    Example: "ready"

  - `created_at` (string, required)
    Creation timestamp
    Example: "2025-04-10T14:30:00Z"

  - `last_active` (any)
    Last activity timestamp
    Example: "2025-04-10T15:45:00Z"

## Response 404 fields (application/json):

  - `body` (string, required)
    Error message or description

  - `status_code` (integer, required)
    HTTP status code
    Example: 400

  - `details` (any)
    Additional error details if available

## Response 422 fields (application/json):

  - `body` (string, required)
    Error message or description

  - `status_code` (integer, required)
    HTTP status code
    Example: 400

  - `details` (any)
    Additional error details if available

## Response 500 fields (application/json):

  - `body` (string, required)
    Error message or description

  - `status_code` (integer, required)
    HTTP status code
    Example: 400

  - `details` (any)
    Additional error details if available