openapi: 3.0.0
info:
  title: Sophos Central SIEM Alerts Events API
  description: The Sophos Central SIEM API provides access to security alerts and events for automating threat detection, incident response, and SIEM integration workflows. Retrieve real-time alerts and events from Sophos Central to feed into your security operations tooling.
  version: v1
  contact:
    name: Sophos Developer Support
    url: https://developer.sophos.com/
  license:
    name: Proprietary
    url: https://www.sophos.com/en-us/legal/sophos-end-user-license-agreement
servers:
- url: https://api1.central.sophos.com/gateway
  description: Sophos Central SIEM API Gateway
security:
- ApiKeyAuth: []
- BearerAuth: []
tags:
- name: Events
  description: Security events from Sophos Central
paths:
  /siem/v1/events:
    get:
      operationId: listEvents
      summary: List Security Events
      description: Retrieve security events for the customer based on the parameters provided. Events are retrieved within the last 24 hours.
      tags:
      - Events
      parameters:
      - name: cursor
        in: query
        description: Pagination cursor identifier for fetching the next page of results
        required: false
        schema:
          type: string
      - name: from_date
        in: query
        description: Unix timestamp in UTC specifying the start date for events. Must be within the last 24 hours.
        required: false
        schema:
          type: integer
          format: int64
      - name: from_date_offset_minutes
        in: query
        description: Delay data collection by the specified number of minutes.
        required: false
        schema:
          type: integer
      - name: limit
        in: query
        description: Maximum number of events to return. Default is 200, maximum is 1000.
        required: false
        schema:
          type: integer
          default: 200
          maximum: 1000
      - name: exclude_types
        in: query
        description: Comma-separated list of event types to exclude from the response
        required: false
        schema:
          type: string
      - name: x-api-key
        in: header
        description: API key for authentication
        required: true
        schema:
          type: string
      - name: Authorization
        in: header
        description: Bearer token for authentication
        required: true
        schema:
          type: string
      - name: X-Timestamp
        in: header
        description: Optional timestamp header
        required: false
        schema:
          type: string
      responses:
        '200':
          description: Successful response with list of events
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/EventsResponse'
        '400':
          description: Bad request - invalid parameters
        '401':
          description: Unauthorized - invalid or missing authentication
        '429':
          description: Rate limit exceeded
        '500':
          description: Internal server error
components:
  schemas:
    EventsResponse:
      type: object
      properties:
        items:
          type: array
          items:
            $ref: '#/components/schemas/Event'
        has_more:
          type: boolean
          description: Whether there are more results available
        next_cursor:
          type: string
          description: Cursor to use for fetching the next page
    Event:
      type: object
      properties:
        id:
          type: string
          description: Unique identifier for the event
        when:
          type: string
          format: date-time
          description: Timestamp when the event occurred
        type:
          type: string
          description: Type of security event
        category:
          type: string
          description: Category of the event
        description:
          type: string
          description: Human-readable description of the event
        customer_id:
          type: string
          description: Customer identifier
        tenant_id:
          type: string
          description: Tenant identifier
        location:
          type: string
          description: Location or device associated with the event
        source:
          type: string
          description: Source system that generated the event
        endpoint_id:
          type: string
          description: Identifier of the affected endpoint
        endpoint_type:
          type: string
          description: Type of affected endpoint
        severity:
          type: string
          description: Severity level
          enum:
          - low
          - medium
          - high
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: x-api-key
    BearerAuth:
      type: http
      scheme: bearer