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OpenAPI Specification

openapi: 3.2.0
info:
  title: UpKeep Assets Purchase Orders API
  description: UpKeep is an asset operations management and CMMS (Computerized Maintenance Management System) platform. The UpKeep API provides programmatic access to work orders, assets, parts, locations, preventive maintenance schedules, purchase orders, meters, and webhooks for maintenance teams and facility managers.
  version: '2022-09-14'
  contact:
    name: UpKeep Developer Support
    url: https://developers.onupkeep.com/
  termsOfService: https://upkeep.com/terms/
servers:
- url: https://api.onupkeep.com/api/v2
  description: UpKeep Production API
security:
- SessionToken: []
tags:
- name: Purchase Orders
  description: Purchase order management
paths:
  /purchase-orders:
    get:
      operationId: listPurchaseOrders
      summary: List Purchase Orders
      description: Retrieve a list of purchase orders.
      tags:
      - Purchase Orders
      parameters:
      - name: page
        in: query
        schema:
          type: integer
          default: 0
      - name: limit
        in: query
        schema:
          type: integer
          default: 25
      - name: status
        in: query
        schema:
          type: string
          enum:
          - draft
          - pending
          - approved
          - received
          - cancelled
      responses:
        '200':
          description: List of purchase orders
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PurchaseOrderList'
        '401':
          $ref: '#/components/responses/Unauthorized'
    post:
      operationId: createPurchaseOrder
      summary: Create Purchase Order
      description: Create a new purchase order.
      tags:
      - Purchase Orders
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PurchaseOrderRequest'
      responses:
        '200':
          description: Purchase order created
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PurchaseOrder'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /purchase-orders/{id}:
    get:
      operationId: getPurchaseOrder
      summary: Get Purchase Order
      description: Retrieve details of a specific purchase order.
      tags:
      - Purchase Orders
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Purchase order details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PurchaseOrder'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    patch:
      operationId: updatePurchaseOrder
      summary: Update Purchase Order
      description: Update an existing purchase order.
      tags:
      - Purchase Orders
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PurchaseOrderRequest'
      responses:
        '200':
          description: Purchase order updated
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PurchaseOrder'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    delete:
      operationId: deletePurchaseOrder
      summary: Delete Purchase Order
      description: Delete a purchase order.
      tags:
      - Purchase Orders
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
      responses:
        '204':
          description: Purchase order deleted
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
components:
  responses:
    NotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Unauthorized:
      description: Session token missing or invalid
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    BadRequest:
      description: Invalid request body or parameters
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  schemas:
    PurchaseOrderList:
      type: object
      properties:
        success:
          type: boolean
        total:
          type: integer
        results:
          type: array
          items:
            $ref: '#/components/schemas/PurchaseOrder'
    PurchaseOrderRequest:
      type: object
      required:
      - vendorId
      - lineItems
      properties:
        vendorId:
          type: string
        lineItems:
          type: array
          items:
            type: object
            required:
            - partId
            - quantity
            properties:
              partId:
                type: string
              quantity:
                type: integer
              unitCost:
                type: number
    PurchaseOrder:
      type: object
      properties:
        id:
          type: string
        poNumber:
          type: string
        vendorId:
          type: string
        status:
          type: string
          enum:
          - draft
          - pending
          - approved
          - received
          - cancelled
        totalCost:
          type: number
        lineItems:
          type: array
          items:
            type: object
            properties:
              partId:
                type: string
              quantity:
                type: integer
              unitCost:
                type: number
        createdAt:
          type: string
          format: date-time
    Error:
      type: object
      properties:
        success:
          type: boolean
          example: false
        error:
          type: string
          description: Error message
  securitySchemes:
    SessionToken:
      type: apiKey
      in: header
      name: session-token
      description: Session token obtained from POST /auth