OpenGov Purchase Order Type API

openapi: 3.2.0
info:
  title: OpenGov Purchase Order Purchase Order Type API
  version: 1.0.0
  description: API for managing purchase orders, line items, splits, and vendors.
servers:
- url: https://api-purchase-order.procurement.opengov.com
  description: Production
- url: https://api-purchase-order.procurement.ogstaging.us
  description: Staging
- url: https://api-purchase-order.procurement.ogintegration.us
  description: Integration
security:
- platformApiKey: []
- platformBearerToken: []
tags:
- name: purchaseOrderType
paths:
  /api/v1/po/entities/{entityId}/purchase-order-types:
    get:
      tags:
      - purchaseOrderType
      operationId: purchaseOrderType.list
      parameters: []
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                type: object
                required:
                - data
                properties:
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/PurchaseOrderTypeModel.json'
                additionalProperties: false
        '400':
          description: The request did not match the expected schema
          content:
            application/json:
              schema:
                type: object
                properties:
                  status:
                    type: integer
                    description: HTTP status code
                    example: 400
                  code:
                    type: string
                    description: Machine-readable error code
                    example: ValidationError
                  detail:
                    type: string
                    description: Human-readable error description. For 400 ValidationError with exactly one field issue, matches that field's `detail`; otherwise a summary (e.g. multiple validation issues).
                    example: The request body failed validation.
                  fieldErrors:
                    type: array
                    description: Per-field validation errors (present for 400 validation errors)
                    items:
                      type: object
                      properties:
                        parameter:
                          type: string
                          description: Dot-path to the field
                          example: lineItems.0.lineItemSplits.1
                        detail:
                          type: string
                          description: Human-readable validation message
                          example: 'Account 101-5100 has insufficient budget: requested 500.00, available 200.00'
                        code:
                          type: string
                          description: Machine-readable rule identifier
                          example: BUDGET_INSUFFICIENT
                        data:
                          type: object
                          description: Structured context for the error (account codes, amounts, IDs, etc.)
                          additionalProperties: true
                          example:
                            accountNumber: 101-5100
                            accountPseudoKey: GF-101-5100
                            requestedAmount: 500
                            availableAmount: 200
                      required:
                      - parameter
                      - detail
                required:
                - status
                - code
                - detail
        '401':
          description: AuthError
          content:
            application/json:
              schema:
                type: object
                properties:
                  status:
                    type: integer
                    description: HTTP status code
                    example: 401
                  code:
                    type: string
                    description: Machine-readable error code
                    example: AuthenticationError
                  detail:
                    type: string
                    description: Human-readable error description. For 400 ValidationError with exactly one field issue, matches that field's `detail`; otherwise a summary (e.g. multiple validation issues).
                    example: Authentication is required to access this resource.
                required:
                - status
                - code
                - detail
        '403':
          description: UnauthorizedError
          content:
            application/json:
              schema:
                type: object
                properties:
                  status:
                    type: integer
                    description: HTTP status code
                    example: 403
                  code:
                    type: string
                    description: Machine-readable error code
                    example: AuthorizationError
                  detail:
                    type: string
                    description: Human-readable error description. For 400 ValidationError with exactly one field issue, matches that field's `detail`; otherwise a summary (e.g. multiple validation issues).
                    example: You do not have permission to perform this action.
                required:
                - status
                - code
                - detail
        '404':
          description: EntityNotFoundError
          content:
            application/json:
              schema:
                type: object
                properties:
                  status:
                    type: integer
                    description: HTTP status code
                    example: 404
                  code:
                    type: string
                    description: Machine-readable error code
                    example: PurchaseOrderNotFound
                  detail:
                    type: string
                    description: Human-readable error description. For 400 ValidationError with exactly one field issue, matches that field's `detail`; otherwise a summary (e.g. multiple validation issues).
                    example: Purchase order with id 123 was not found.
                required:
                - status
                - code
                - detail
        '500':
          description: InfrastructureError
          content:
            application/json:
              schema:
                type: object
                properties:
                  status:
                    type: integer
                    description: HTTP status code
                    example: 500
                  code:
                    type: string
                    description: Machine-readable error code
                    example: InternalServerError
                  detail:
                    type: string
                    description: Human-readable error description. For 400 ValidationError with exactly one field issue, matches that field's `detail`; otherwise a summary (e.g. multiple validation issues).
                    example: An unexpected error occurred while processing your request. Please try again later.
                required:
                - status
                - code
                - detail
      description: Returns the standard PO types (Standard, Blanket, Emergency). Per-entity overrides will be added in a later phase.
      summary: List PO types
components:
  schemas:
    PurchaseOrderTypeModel.json:
      type: object
      required:
      - id
      - code
      - isActive
      - createdAt
      - updatedAt
      properties:
        id:
          type: number
        code:
          $ref: '#/components/schemas/PoType'
        description:
          anyOf:
          - type: string
            description: a string at most 256 character(s) long
            title: maxLength(256)
            maxLength: 256
          - type: 'null'
        isActive:
          type: boolean
        createdAt:
          $ref: '#/components/schemas/DateTimeUtc'
        updatedAt:
          $ref: '#/components/schemas/DateTimeUtc'
      additionalProperties: false
      title: PurchaseOrderTypeModel.json
    DateTimeUtc:
      type: string
      description: a string to be decoded into a DateTime.Utc
    PoType:
      type: string
      enum:
      - Standard
      - Blanket
      - Emergency
      description: 'Purchase order type: Standard, Blanket, Emergency'
      title: PO Type
  securitySchemes:
    platformApiKey:
      description: OpenGov Platform API Key
      type: apiKey
      name: Authorization
      in: header
    platformBearerToken:
      type: http
      scheme: bearer