OSIsoft PI System

osisoft-pi BatchRequests API

Batch and parallel request execution

Documentation GitHub OpenAPI

Operations 1

POST /batch Execute a batch request #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: OSIsoft PI Web AssetServers Batch Requests API
  description: OSIsoft PI Web API (now part of AVEVA) provides a REST interface for accessing the PI System process historian. APIs enable real-time and historical time-series data retrieval, event frame queries, asset framework hierarchy navigation, and calculated data for industrial process monitoring.
  version: 2023.2.0
  contact:
    name: AVEVA Support
    url: https://softwaresupport.aveva.com
  license:
    name: AVEVA Software License
    url: https://www.aveva.com/legal/
servers:
- url: https://{piwebapi_host}/piwebapi
  description: PI Web API server
  variables:
    piwebapi_host:
      default: piwebapi.example.com
      description: PI Web API server hostname
security:
- basicAuth: []
- kerberos: []
tags:
- name: BatchRequests
  description: Batch and parallel request execution
paths:
  /batch:
    post:
      operationId: executeBatch
      summary: Execute a batch request
      description: Executes multiple PI Web API requests in a single HTTP call. Supports sequential and parallel execution with parameter substitution between requests.
      tags:
      - BatchRequests
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              additionalProperties:
                $ref: '#/components/schemas/BatchRequest'
      responses:
        '207':
          description: Batch results (one per request)
          content:
            application/json:
              schema:
                type: object
                additionalProperties:
                  $ref: '#/components/schemas/BatchResponse'
components:
  schemas:
    BatchResponse:
      type: object
      properties:
        Status:
          type: integer
        Headers:
          type: object
          additionalProperties:
            type: string
        Content:
          type: object
    BatchRequest:
      type: object
      properties:
        Method:
          type: string
          enum:
          - GET
          - POST
          - PUT
          - PATCH
          - DELETE
        Resource:
          type: string
          description: Relative URL of the PI Web API resource
        ParentIds:
          type: array
          items:
            type: string
          description: IDs of batch requests that must complete before this one
        Parameters:
          type: array
          items:
            type: string
          description: Parameter substitution references (e.g. {0}.Content.WebId)
        Headers:
          type: object
          additionalProperties:
            type: string
  securitySchemes:
    basicAuth:
      type: http
      scheme: basic
      description: HTTP Basic Authentication
    kerberos:
      type: http
      scheme: negotiate
      description: Kerberos/Windows Integrated Authentication