openapi: 3.1.0
info:
  title: Trellix EDR Action History Events API
  description: Endpoint Detection and Response API for advanced threat hunting, investigation, and automated response capabilities. The EDR API supports querying threat data, searching devices, retrieving action history, and executing real-time search and response actions across managed endpoints. Authentication uses OAuth 2.0 client credentials with the soc.act.tg scope.
  version: '2.0'
  contact:
    name: Trellix Support
    url: https://www.trellix.com/support/
  termsOfService: https://www.trellix.com/en-us/about/legal/terms-of-use.html
servers:
- url: https://api.manage.trellix.com
  description: Trellix Cloud Management Platform
security:
- bearerAuth: []
tags:
- name: Events
  description: Retrieve threat events and security incidents detected across managed endpoints. Events have a 3-day retention period.
paths:
  /epo/v2/events:
    get:
      operationId: listEvents
      summary: List threat events
      description: Retrieve threat events detected across managed endpoints. Events include malware detections, policy violations, and other security incidents. The data retention period for events is 3 days.
      tags:
      - Events
      parameters:
      - $ref: '#/components/parameters/limit'
      - $ref: '#/components/parameters/offset'
      - name: since
        in: query
        description: Return events that occurred after this ISO 8601 timestamp. Maximum lookback is 3 days due to data retention limits.
        schema:
          type: string
          format: date-time
      - name: filter
        in: query
        description: Filter expression to narrow events by attributes such as severity, analyzer name, or agent GUID.
        schema:
          type: string
      responses:
        '200':
          description: Paginated list of threat events
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/Event'
                  meta:
                    $ref: '#/components/schemas/PaginationMeta'
        '401':
          description: Unauthorized - invalid or expired access token
        '403':
          description: Forbidden - insufficient scope permissions
components:
  parameters:
    limit:
      name: limit
      in: query
      description: Maximum number of items to return per page
      schema:
        type: integer
        default: 25
        minimum: 1
        maximum: 100
    offset:
      name: offset
      in: query
      description: Number of items to skip for pagination
      schema:
        type: integer
        default: 0
        minimum: 0
  schemas:
    Event:
      type: object
      properties:
        id:
          type: string
          description: Unique identifier for the event
        type:
          type: string
          description: Resource type identifier
        attributes:
          type: object
          properties:
            timestamp:
              type: string
              format: date-time
              description: Time the event occurred
            agentGuid:
              type: string
              format: uuid
              description: GUID of the agent that reported the event
            analyzerName:
              type: string
              description: Name of the security analyzer that detected the event
            analyzerVersion:
              type: string
              description: Version of the detecting analyzer
            threatName:
              type: string
              description: Name or identifier of the detected threat
            threatSeverity:
              type: string
              description: Severity level of the threat
            threatCategory:
              type: string
              description: Category classification of the threat
            targetFileName:
              type: string
              description: File name targeted by the threat
            targetFilePath:
              type: string
              description: Full file path of the targeted file
            detectionMethod:
              type: string
              description: Method used to detect the threat
    PaginationMeta:
      type: object
      properties:
        totalItems:
          type: integer
          description: Total number of items matching the query
        limit:
          type: integer
          description: Number of items per page
        offset:
          type: integer
          description: Number of items skipped
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: OAuth 2.0 access token obtained through the client credentials flow with soc.act.tg scope. Credentials are generated through the Trellix EDR Credential Generator.
externalDocs:
  description: Trellix EDR Product Guide
  url: https://docs.trellix.com/bundle/mvision-endpoint-detection-and-response-product-guide