openapi: 3.0.3
info:
  title: Allianz Trade Payment Overdues API
  description: >-
    Report payment overdues, request extension periods, and manage debt
    rescheduling for trade credit insurance policies. Supports three overdue
    category types: OVD (report default state), EXP (extension period request),
    and RES (rescheduling/repayment plan agreement).
  version: 1.0.0
  contact:
    name: Allianz Trade API Support
    email: api@allianz-trade.com
    url: https://developers.allianz-trade.com/
  x-generated-from: documentation
servers:
  - url: https://api.allianz-trade.com/v1
    description: Allianz Trade API production server
security:
  - OAuth2: []
tags:
  - name: Payment Overdues
    description: Payment overdue reporting and management operations
paths:
  /overdues:
    get:
      operationId: listOverdues
      summary: Allianz Trade List Payment Overdues
      description: Retrieve a paginated list of payment overdues for your trade credit insurance policies.
      tags:
        - Payment Overdues
      parameters:
        - name: pageSize
          in: query
          required: false
          description: Number of items per page (Allianz Trade pagination standard)
          schema:
            type: integer
            default: 20
            minimum: 1
            maximum: 100
          example: 20
        - name: page
          in: query
          required: false
          description: Page number starting from 1
          schema:
            type: integer
            default: 1
            minimum: 1
          example: 1
        - name: totalRequired
          in: query
          required: false
          description: Whether to include total count in response headers
          schema:
            type: boolean
            default: false
          example: false
        - name: overdueCategoryTypeCode
          in: query
          required: false
          description: Filter by overdue category type code
          schema:
            type: string
            enum:
              - OVD
              - EXP
              - RES
          example: OVD
        - name: policyId
          in: query
          required: false
          description: Filter overdues by policy identifier
          schema:
            type: string
          example: "POL-500123"
      responses:
        '200':
          description: Overdues retrieved successfully
          headers:
            Total-Items:
              description: Total number of overdues (when totalRequired=true)
              schema:
                type: integer
            Total-Pages:
              description: Total number of pages (when totalRequired=true)
              schema:
                type: integer
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/OverdueList'
              examples:
                ListOverdues200Example:
                  summary: Default listOverdues 200 response
                  x-microcks-default: true
                  value:
                    data:
                      - overdueId: "OVD-500123"
                        policyId: "POL-500123"
                        overdueCategoryTypeCode: OVD
                        debtorName: "Acme Corp"
                        overdueAmount: 50000.00
                        currency: EUR
                        dueDate: "2026-03-15"
                        status: reported
        '401':
          description: Unauthorized - invalid or missing OAuth2 token
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '403':
          description: Forbidden - insufficient permissions
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK

    post:
      operationId: reportOverdue
      summary: Allianz Trade Report Payment Overdue
      description: >-
        Report a payment overdue to Allianz Trade using the appropriate overdue
        category type code. OVD to report a default state, EXP to request an
        extension period, or RES to report a rescheduling agreement.
      tags:
        - Payment Overdues
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ReportOverdueRequest'
            examples:
              ReportOverdueRequestExample:
                summary: Default reportOverdue request
                x-microcks-default: true
                value:
                  policyId: "POL-500123"
                  overdueCategoryTypeCode: OVD
                  debtorName: "Acme Corp"
                  debtorId: "DEB-500456"
                  overdueAmount: 50000.00
                  currency: EUR
                  dueDate: "2026-03-15"
                  invoiceReference: "INV-2026-001"
      responses:
        '202':
          description: Overdue report accepted for processing
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/JobResponse'
              examples:
                ReportOverdue202Example:
                  summary: Default reportOverdue 202 response
                  x-microcks-default: true
                  value:
                    jobId: "JOB-500789"
                    status: pending
                    createdAt: "2026-04-19T10:30:00Z"
        '400':
          description: Invalid request parameters
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK

  /overdues/{overdueId}:
    get:
      operationId: getOverdue
      summary: Allianz Trade Get Payment Overdue
      description: Retrieve details for a specific payment overdue by its identifier.
      tags:
        - Payment Overdues
      parameters:
        - name: overdueId
          in: path
          required: true
          description: Unique identifier of the payment overdue
          schema:
            type: string
          example: "OVD-500123"
      responses:
        '200':
          description: Overdue retrieved successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Overdue'
              examples:
                GetOverdue200Example:
                  summary: Default getOverdue 200 response
                  x-microcks-default: true
                  value:
                    overdueId: "OVD-500123"
                    policyId: "POL-500123"
                    overdueCategoryTypeCode: OVD
                    debtorName: "Acme Corp"
                    overdueAmount: 50000.00
                    currency: EUR
                    dueDate: "2026-03-15"
                    status: reported
                    reportedAt: "2026-04-01T09:00:00Z"
        '404':
          description: Overdue not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK

  /jobs/{jobId}:
    get:
      operationId: getJobStatus
      summary: Allianz Trade Get Job Status
      description: Poll for the status of an asynchronous operation submitted via POST/PATCH/DELETE.
      tags:
        - Payment Overdues
      parameters:
        - name: jobId
          in: path
          required: true
          description: Unique identifier of the async job
          schema:
            type: string
          example: "JOB-500789"
      responses:
        '200':
          description: Job status retrieved
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/JobResponse'
              examples:
                GetJobStatus200Example:
                  summary: Default getJobStatus 200 response
                  x-microcks-default: true
                  value:
                    jobId: "JOB-500789"
                    status: processed
                    result:
                      overdueId: "OVD-500123"
                    createdAt: "2026-04-19T10:30:00Z"
                    completedAt: "2026-04-19T10:31:00Z"
        '404':
          description: Job not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK

components:
  securitySchemes:
    OAuth2:
      type: oauth2
      description: OAuth2 client credentials for Allianz Trade API access
      flows:
        clientCredentials:
          tokenUrl: https://api.allianz-trade.com/oauth2/token
          scopes:
            overdues:read: Read payment overdues
            overdues:write: Report and manage payment overdues

  schemas:
    Overdue:
      title: Overdue
      type: object
      description: A payment overdue reported to Allianz Trade
      properties:
        overdueId:
          type: string
          description: Unique identifier for the payment overdue
          example: "OVD-500123"
        policyId:
          type: string
          description: Trade credit insurance policy identifier
          example: "POL-500123"
        overdueCategoryTypeCode:
          type: string
          description: Overdue category code (OVD=default, EXP=extension, RES=rescheduling)
          enum:
            - OVD
            - EXP
            - RES
          example: OVD
        debtorName:
          type: string
          description: Name of the debtor with the payment overdue
          example: "Acme Corp"
        debtorId:
          type: string
          description: Allianz Trade debtor identifier
          example: "DEB-500456"
        overdueAmount:
          type: number
          format: double
          description: Amount overdue in the policy currency
          example: 50000.00
        currency:
          type: string
          description: ISO 4217 currency code
          example: EUR
        dueDate:
          type: string
          format: date
          description: Original invoice due date
          example: "2026-03-15"
        invoiceReference:
          type: string
          description: Customer invoice reference number
          example: "INV-2026-001"
        status:
          type: string
          description: Current status of the overdue report
          enum:
            - reported
            - processed
            - closed
          example: reported
        reportedAt:
          type: string
          format: date-time
          description: Timestamp when the overdue was reported
          example: "2026-04-01T09:00:00Z"

    OverdueList:
      title: OverdueList
      type: object
      description: Paginated list of payment overdues
      properties:
        data:
          type: array
          description: List of payment overdue records
          items:
            $ref: '#/components/schemas/Overdue'

    ReportOverdueRequest:
      title: ReportOverdueRequest
      type: object
      description: Request body for reporting a payment overdue
      required:
        - policyId
        - overdueCategoryTypeCode
        - debtorName
        - overdueAmount
        - currency
        - dueDate
      properties:
        policyId:
          type: string
          description: Trade credit insurance policy identifier
          example: "POL-500123"
        overdueCategoryTypeCode:
          type: string
          description: Overdue category type code
          enum:
            - OVD
            - EXP
            - RES
          example: OVD
        debtorName:
          type: string
          description: Name of the debtor
          example: "Acme Corp"
        debtorId:
          type: string
          description: Allianz Trade debtor identifier
          example: "DEB-500456"
        overdueAmount:
          type: number
          format: double
          description: Amount overdue
          example: 50000.00
        currency:
          type: string
          description: ISO 4217 currency code
          example: EUR
        dueDate:
          type: string
          format: date
          description: Original invoice due date
          example: "2026-03-15"
        invoiceReference:
          type: string
          description: Customer invoice reference
          example: "INV-2026-001"

    JobResponse:
      title: JobResponse
      type: object
      description: Async job status response
      properties:
        jobId:
          type: string
          description: Unique identifier for the async job
          example: "JOB-500789"
        status:
          type: string
          description: Current status of the job
          enum:
            - pending
            - processed
            - failed
          example: processed
        result:
          type: object
          description: Result data after successful job completion
          example:
            overdueId: "OVD-500123"
        createdAt:
          type: string
          format: date-time
          description: When the job was created
          example: "2026-04-19T10:30:00Z"
        completedAt:
          type: string
          format: date-time
          description: When the job completed (null if still pending)
          example: "2026-04-19T10:31:00Z"

    ErrorResponse:
      title: ErrorResponse
      type: object
      description: Standard error response
      properties:
        code:
          type: string
          description: Error code
          example: INVALID_REQUEST
        message:
          type: string
          description: Human-readable error description
          example: "The overdueAmount must be a positive number"
        requestId:
          type: string
          description: Request identifier for support reference
          example: "req-500999"