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OpenAPI Specification

openapi: 3.2.0
info:
  title: Amberflo Billing Customers Invoices API
  description: The Amberflo Billing API manages customers, pricing plans, invoices, prepaid orders, promotions, commitments, and billing analysis for usage-based monetization workflows.
  version: 1.0.0
  contact:
    name: Amberflo Support
    url: https://www.amberflo.io/company/contact
  x-generated-from: documentation
  x-last-validated: '2026-04-19'
servers:
- url: https://app.amberflo.io
  description: Amberflo Production API
security:
- ApiKeyAuth: []
tags:
- name: Invoices
  description: Retrieve customer invoices
paths:
  /payments-billing-customer-product-invoice:
    get:
      operationId: listInvoices
      summary: Amberflo List Customer Invoices
      description: Retrieve a list of invoices for a specific customer.
      tags:
      - Invoices
      parameters:
      - name: customerId
        in: query
        required: true
        description: Customer ID to retrieve invoices for
        schema:
          type: string
        example: customer-123456
      responses:
        '200':
          description: Array of invoices
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Invoice'
              examples:
                ListInvoices200Example:
                  summary: Default listInvoices 200 response
                  x-microcks-default: true
                  value:
                  - invoiceId: inv-500123
                    customerId: customer-123456
                    startTime: 1718100000
                    endTime: 1718186400
                    totalAmount: 99.5
                    currency: USD
                    status: PAID
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
components:
  schemas:
    Invoice:
      type: object
      description: A customer invoice
      properties:
        invoiceId:
          type: string
          description: Unique invoice identifier
          example: inv-500123
        customerId:
          type: string
          description: Customer identifier
          example: customer-123456
        startTime:
          type: integer
          description: Invoice period start in Unix seconds
          example: 1718100000
        endTime:
          type: integer
          description: Invoice period end in Unix seconds
          example: 1718186400
        totalAmount:
          type: number
          description: Total invoice amount
          example: 99.5
        currency:
          type: string
          description: Invoice currency code
          example: USD
        status:
          type: string
          description: Invoice payment status
          enum:
          - DRAFT
          - PENDING
          - PAID
          - VOID
          example: PAID
    ErrorResponse:
      type: object
      description: Error response
      properties:
        message:
          type: string
          description: Human-readable error message
          example: Customer not found
        code:
          type: string
          description: Error code
          example: NOT_FOUND
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: X-API-KEY
      description: API key for authentication