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OpenAPI Specification

openapi: 3.2.0
info:
  title: Ignition Gateway REST System Performance API
  description: The Ignition Gateway REST API (Ignition 8.3+) provides an OpenAPI-compliant HTTP interface to Gateway configuration resources including tags, projects, modules, device connections, historian data, user management (SCIM), alarm notification, OPC connections, and more.
  version: 8.3.0
  contact:
    name: Inductive Automation Support
    url: https://support.inductiveautomation.com/
  license:
    name: Commercial
    url: https://inductiveautomation.com/pricing/
  x-postman-collection: https://raw.githubusercontent.com/inductiveautomation/83-api/main/postman/8.3.postman_collection_v2.json
servers:
- url: http://{gateway-host}:{port}
  description: Ignition Gateway (HTTP)
  variables:
    gateway-host:
      default: localhost
      description: Hostname or IP address of the Ignition Gateway
    port:
      default: '8088'
      description: Gateway HTTP port (default 8088; HTTPS default 8043)
- url: https://{gateway-host}:{port}
  description: Ignition Gateway (HTTPS)
  variables:
    gateway-host:
      default: localhost
      description: Hostname or IP address of the Ignition Gateway
    port:
      default: '8043'
      description: Gateway HTTPS port
security:
- apiKeyAuth: []
tags:
- name: system-performance
  description: System performance metrics
paths:
  /data/api/v1/systemPerformance/charts:
    get:
      summary: Historic Performance Data
      operationId: historic-performance-data-get
      tags:
      - system-performance
      description: Returns a list of historical gateway CPU and memory usage.
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                type: object
        '400':
          description: Bad request
        '401':
          description: Unauthorized
        '404':
          description: Not found
  /data/api/v1/systemPerformance/currentGauges:
    get:
      summary: Current Performance Data
      operationId: current-performance-data-get
      tags:
      - system-performance
      description: Returns an object containing the current gateway CPU and memory usage.
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                type: object
        '400':
          description: Bad request
        '401':
          description: Unauthorized
        '404':
          description: Not found
  /data/api/v1/systemPerformance/driftEvents:
    get:
      summary: System Clock Drift Events
      operationId: system-clock-drift-events-get
      tags:
      - system-performance
      description: Returns a list of historical system clock drift events.
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                type: object
        '400':
          description: Bad request
        '401':
          description: Unauthorized
        '404':
          description: Not found
  /data/api/v1/systemPerformance/driftGauge:
    get:
      summary: Current System Clock Drift
      operationId: current-system-clock-drift-get
      tags:
      - system-performance
      description: Returns the current drift of the system clock.
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                type: object
        '400':
          description: Bad request
        '401':
          description: Unauthorized
        '404':
          description: Not found
  /data/api/v1/systemPerformance/threads:
    get:
      summary: Thread Execution Data
      operationId: thread-execution-data-get
      tags:
      - system-performance
      description: Return the current number of various types of threads running on the gateway.
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                type: object
        '400':
          description: Bad request
        '401':
          description: Unauthorized
        '404':
          description: Not found
components:
  securitySchemes:
    apiKeyAuth:
      type: apiKey
      in: header
      name: X-Ignition-API-Token
      description: Time-limited API token. Obtain by posting credentials to the token endpoint. See /data/api/v1/token for details.
externalDocs:
  description: Ignition 8.3 Gateway REST API Documentation
  url: https://www.docs.inductiveautomation.com/docs/8.3/platform/gateway/openapi