openapi: 3.0.3
info:
  title: AT&T MVNX API
  description: >-
    TM Forum-aligned API suite for Mobile Virtual Network Operators (MVNOs) using
    AT&T's network infrastructure. Provides subscriber activation, number management,
    porting operations, device and SIM management, subscriber profile management,
    service lifecycle management, and balance/policy management. Follows TMF Open API
    standards including TMF 622, 637, 639, 640, 654, 674, 689, 702, 716, and 761.
  version: 4.0.0
  contact:
    url: https://devex-web.att.com/mvnx/docs/mvnx-contact-us
  x-generated-from: documentation
  x-last-validated: '2026-04-19'
servers:
  - url: https://devex-web.att.com
    description: AT&T Developer Experience API Gateway
paths:
  /geographicSite:
    get:
      operationId: listGeographicSites
      summary: AT&T List Geographic Sites
      description: >-
        Inquire about available market service areas and geographic sites for
        MVNO operations. Corresponds to TMF 674 Geographic Site Management API.
      tags:
        - Geographic Sites
      parameters:
        - name: serviceType
          in: query
          required: false
          description: Filter by service type
          schema:
            type: string
            example: MOBILE
      responses:
        '200':
          description: Geographic sites successfully retrieved
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/GeographicSite'
              examples:
                ListGeographicSites200Example:
                  summary: Default listGeographicSites 200 response
                  x-microcks-default: true
                  value:
                    - id: site-500123
                      name: US Market - East
                      href: https://devex-web.att.com/geographicSite/site-500123
                      status: active
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /productOrder:
    post:
      operationId: createProductOrder
      summary: AT&T Create Product Order (Subscriber Activation)
      description: >-
        Activate a new subscriber on the AT&T MVNO network. Creates a product order
        for subscriber activation including device provisioning and number assignment.
        Corresponds to TMF 622 Product Ordering Management API.
      tags:
        - Product Orders
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ProductOrderCreate'
            examples:
              CreateProductOrderRequestExample:
                summary: Default createProductOrder request
                x-microcks-default: true
                value:
                  externalId: ext-order-500123
                  orderItem:
                    - action: add
                      product:
                        productOffering:
                          id: offer-unlimited-basic
                        relatedParty:
                          - role: subscriber
                            id: sub-a1b2c3d4
      responses:
        '201':
          description: Product order successfully created
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ProductOrder'
              examples:
                CreateProductOrder201Example:
                  summary: Default createProductOrder 201 response
                  x-microcks-default: true
                  value:
                    id: order-500123
                    href: https://devex-web.att.com/productOrder/order-500123
                    state: inProgress
                    externalId: ext-order-500123
        '400':
          description: Bad request
          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
  /resourceReservation:
    post:
      operationId: reserveSubscriberNumber
      summary: AT&T Reserve Subscriber Number
      description: >-
        Reserve one or more phone numbers for subscriber assignment prior to activation.
        Corresponds to TMF 716 Resource Reservation Management API.
      tags:
        - Number Management
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ResourceReservationCreate'
            examples:
              ReserveSubscriberNumberRequestExample:
                summary: Default reserveSubscriberNumber request
                x-microcks-default: true
                value:
                  resourceCapacity:
                    - resourcePool:
                        id: pool-212-area
                      capacityAmount: 1
                  reservationItem:
                    - quantity: 1
                      resourceCapacity:
                        capacityDemandAmount: 1
      responses:
        '201':
          description: Number reservation successfully created
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResourceReservation'
              examples:
                ReserveSubscriberNumber201Example:
                  summary: Default reserveSubscriberNumber 201 response
                  x-microcks-default: true
                  value:
                    id: reservation-500123
                    href: https://devex-web.att.com/resourceReservation/reservation-500123
                    reservationState: completed
                    reservedResource:
                      - value: '+12125559999'
        '400':
          description: Bad request
          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
  /resourceReservation/{id}:
    patch:
      operationId: releaseNumberReservation
      summary: AT&T Release Reserved Numbers
      description: >-
        Release previously reserved phone numbers back to the available pool.
        Corresponds to TMF 716 Resource Reservation Management API.
      tags:
        - Number Management
      parameters:
        - name: id
          in: path
          required: true
          description: Reservation ID to release
          schema:
            type: string
            example: reservation-500123
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ResourceReservationUpdate'
            examples:
              ReleaseNumberReservationRequestExample:
                summary: Default releaseNumberReservation request
                x-microcks-default: true
                value:
                  reservationState: cancelled
      responses:
        '200':
          description: Reservation successfully updated
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResourceReservation'
              examples:
                ReleaseNumberReservation200Example:
                  summary: Default releaseNumberReservation 200 response
                  x-microcks-default: true
                  value:
                    id: reservation-500123
                    reservationState: cancelled
        '404':
          description: Reservation 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
  /portabilityOrder:
    post:
      operationId: createPortabilityOrder
      summary: AT&T Create Port Order
      description: >-
        Create a number portability order to port a subscriber's existing phone
        number to the AT&T MVNO network. Corresponds to TMF 689 Number Portability API.
      tags:
        - Porting
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PortabilityOrderCreate'
            examples:
              CreatePortabilityOrderRequestExample:
                summary: Default createPortabilityOrder request
                x-microcks-default: true
                value:
                  portabilityOrderItem:
                    - msisdn: '+12125551234'
                      portingType: FULL
                      currentCarrier: Verizon
      responses:
        '201':
          description: Port order successfully created
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PortabilityOrder'
              examples:
                CreatePortabilityOrder201Example:
                  summary: Default createPortabilityOrder 201 response
                  x-microcks-default: true
                  value:
                    id: port-500123
                    href: https://devex-web.att.com/portabilityOrder/port-500123
                    state: inProgress
        '400':
          description: Bad request
          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
    get:
      operationId: listPortabilityOrders
      summary: AT&T List Port Orders
      description: >-
        Retrieve a list of number portability orders. Supports filtering by state,
        date range, and subscriber. Corresponds to TMF 689 Number Portability API.
      tags:
        - Porting
      parameters:
        - name: state
          in: query
          required: false
          description: Filter by port order state
          schema:
            type: string
            enum:
              - inProgress
              - completed
              - cancelled
              - failed
            example: inProgress
        - name: limit
          in: query
          required: false
          description: Maximum number of records to return
          schema:
            type: integer
            example: 50
        - name: offset
          in: query
          required: false
          description: Pagination offset
          schema:
            type: integer
            example: 0
      responses:
        '200':
          description: Port orders successfully retrieved
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/PortabilityOrder'
              examples:
                ListPortabilityOrders200Example:
                  summary: Default listPortabilityOrders 200 response
                  x-microcks-default: true
                  value:
                    - id: port-500123
                      href: https://devex-web.att.com/portabilityOrder/port-500123
                      state: completed
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /portabilityOrder/{id}:
    get:
      operationId: getPortabilityOrder
      summary: AT&T Get Port Order Status
      description: >-
        Retrieve the status and details of a specific number portability order.
        Corresponds to TMF 689 Number Portability API.
      tags:
        - Porting
      parameters:
        - name: id
          in: path
          required: true
          description: Port order ID
          schema:
            type: string
            example: port-500123
      responses:
        '200':
          description: Port order details retrieved
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PortabilityOrder'
              examples:
                GetPortabilityOrder200Example:
                  summary: Default getPortabilityOrder 200 response
                  x-microcks-default: true
                  value:
                    id: port-500123
                    href: https://devex-web.att.com/portabilityOrder/port-500123
                    state: completed
                    portabilityOrderItem:
                      - msisdn: '+12125551234'
                        portingType: FULL
                        currentCarrier: Verizon
        '404':
          description: Port order 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
    patch:
      operationId: updatePortabilityOrder
      summary: AT&T Update Port Order
      description: >-
        Update details of an in-progress number portability order.
        Corresponds to TMF 689 Number Portability API.
      tags:
        - Porting
      parameters:
        - name: id
          in: path
          required: true
          description: Port order ID
          schema:
            type: string
            example: port-500123
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PortabilityOrderUpdate'
            examples:
              UpdatePortabilityOrderRequestExample:
                summary: Default updatePortabilityOrder request
                x-microcks-default: true
                value:
                  requestedCompletionDate: '2026-04-25T00:00:00Z'
      responses:
        '200':
          description: Port order successfully updated
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PortabilityOrder'
              examples:
                UpdatePortabilityOrder200Example:
                  summary: Default updatePortabilityOrder 200 response
                  x-microcks-default: true
                  value:
                    id: port-500123
                    state: inProgress
                    requestedCompletionDate: '2026-04-25T00:00:00Z'
        '404':
          description: Port order 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
  /cancelPortabilityOrder:
    post:
      operationId: cancelPortabilityOrder
      summary: AT&T Cancel Port Order
      description: >-
        Cancel an in-progress number portability order.
        Corresponds to TMF 689 Number Portability API.
      tags:
        - Porting
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CancelPortabilityOrder'
            examples:
              CancelPortabilityOrderRequestExample:
                summary: Default cancelPortabilityOrder request
                x-microcks-default: true
                value:
                  portabilityOrder:
                    id: port-500123
                  cancellationReason: Customer request
      responses:
        '201':
          description: Port order cancellation submitted
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PortabilityOrderCancellation'
              examples:
                CancelPortabilityOrder201Example:
                  summary: Default cancelPortabilityOrder 201 response
                  x-microcks-default: true
                  value:
                    id: cancel-500123
                    state: completed
                    portabilityOrder:
                      id: port-500123
        '400':
          description: Bad request
          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
  /resource:
    get:
      operationId: listResources
      summary: AT&T List Devices and SIMs
      description: >-
        Retrieve device details and SIM information for subscribers.
        Corresponds to TMF 639 Resource Inventory API.
      tags:
        - Device Management
      parameters:
        - name: relatedParty.id
          in: query
          required: false
          description: Filter resources by subscriber ID
          schema:
            type: string
            example: sub-a1b2c3d4
      responses:
        '200':
          description: Resources successfully retrieved
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Resource'
              examples:
                ListResources200Example:
                  summary: Default listResources 200 response
                  x-microcks-default: true
                  value:
                    - id: resource-500123
                      name: Samsung Galaxy S25
                      resourceType: device
                      status: active
                      serialNumber: IMEI-123456789012345
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /resource/{id}:
    get:
      operationId: getResource
      summary: AT&T Get Device or SIM Status
      description: >-
        Retrieve the current status and details of a specific device or SIM card.
        Corresponds to TMF 639 Resource Inventory API.
      tags:
        - Device Management
      parameters:
        - name: id
          in: path
          required: true
          description: Resource (device or SIM) ID
          schema:
            type: string
            example: resource-500123
      responses:
        '200':
          description: Resource details retrieved
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Resource'
              examples:
                GetResource200Example:
                  summary: Default getResource 200 response
                  x-microcks-default: true
                  value:
                    id: resource-500123
                    name: Samsung Galaxy S25
                    resourceType: device
                    status: active
                    serialNumber: IMEI-123456789012345
        '404':
          description: Resource 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
    patch:
      operationId: updateResource
      summary: AT&T Update Resource (Reset Voicemail Password)
      description: >-
        Update a resource attribute, such as resetting the voicemail password for
        a subscriber's device. Corresponds to TMF 702 Resource Activation and
        Configuration API.
      tags:
        - Device Management
      parameters:
        - name: id
          in: path
          required: true
          description: Resource ID
          schema:
            type: string
            example: resource-500123
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ResourceUpdate'
            examples:
              UpdateResourceRequestExample:
                summary: Default updateResource request
                x-microcks-default: true
                value:
                  resourceCharacteristic:
                    - name: voicemailPassword
                      value: '1234'
      responses:
        '200':
          description: Resource successfully updated
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Resource'
              examples:
                UpdateResource200Example:
                  summary: Default updateResource 200 response
                  x-microcks-default: true
                  value:
                    id: resource-500123
                    status: active
        '404':
          description: Resource 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
  /product/{id}:
    get:
      operationId: getSubscriberProfile
      summary: AT&T Get Subscriber Profile
      description: >-
        Retrieve the product (subscriber profile) details for a specific subscriber
        including their plan, features, and service options.
        Corresponds to TMF 637 Product Inventory Management API.
      tags:
        - Subscriber Management
      parameters:
        - name: id
          in: path
          required: true
          description: Subscriber or product ID
          schema:
            type: string
            example: sub-a1b2c3d4
      responses:
        '200':
          description: Subscriber profile retrieved
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Product'
              examples:
                GetSubscriberProfile200Example:
                  summary: Default getSubscriberProfile 200 response
                  x-microcks-default: true
                  value:
                    id: sub-a1b2c3d4
                    href: https://devex-web.att.com/product/sub-a1b2c3d4
                    status: active
                    productOffering:
                      id: offer-unlimited-basic
                      name: Unlimited Basic Plan
        '404':
          description: Subscriber 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
  /service/{id}:
    get:
      operationId: getService
      summary: AT&T Get Service (HLR Registration)
      description: >-
        Confirm HLR (Home Location Register) registration status for a subscriber's
        service. Corresponds to TMF 640 Service Activation and Configuration API.
      tags:
        - Service Management
      parameters:
        - name: id
          in: path
          required: true
          description: Service ID
          schema:
            type: string
            example: svc-500123
      responses:
        '200':
          description: Service details retrieved
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Service'
              examples:
                GetService200Example:
                  summary: Default getService 200 response
                  x-microcks-default: true
                  value:
                    id: svc-500123
                    href: https://devex-web.att.com/service/svc-500123
                    state: active
                    serviceType: MOBILE
        '404':
          description: Service 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
  /topupBalance:
    post:
      operationId: topupBalance
      summary: AT&T Create Balance Top-Up
      description: >-
        Add data or voice balance to a subscriber's account.
        Corresponds to TMF 654 Prepay Balance Management API.
      tags:
        - Balance Management
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/TopupBalanceCreate'
            examples:
              TopupBalanceRequestExample:
                summary: Default topupBalance request
                x-microcks-default: true
                value:
                  channel:
                    name: API
                  product:
                    id: sub-a1b2c3d4
                  amount:
                    units: 10.00
                    currency: USD
      responses:
        '201':
          description: Balance top-up successfully processed
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TopupBalance'
              examples:
                TopupBalance201Example:
                  summary: Default topupBalance 201 response
                  x-microcks-default: true
                  value:
                    id: topup-500123
                    href: https://devex-web.att.com/topupBalance/topup-500123
                    status: completed
        '400':
          description: Bad request
          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:
    clientId:
      type: apiKey
      in: header
      name: X-Client-Id
      description: Client ID enforcement policy for MVNX API authentication
  schemas:
    GeographicSite:
      type: object
      properties:
        id:
          type: string
          description: Unique geographic site identifier
          example: site-500123
        name:
          type: string
          description: Name of the geographic site or market area
          example: US Market - East
        href:
          type: string
          format: uri
          description: URL to this geographic site resource
          example: https://devex-web.att.com/geographicSite/site-500123
        status:
          type: string
          description: Site availability status
          example: active
    ProductOrderCreate:
      type: object
      properties:
        externalId:
          type: string
          description: External order identifier for tracking
          example: ext-order-500123
        orderItem:
          type: array
          items:
            type: object
            properties:
              action:
                type: string
                enum:
                  - add
                  - modify
                  - delete
                example: add
              product:
                type: object
                properties:
                  productOffering:
                    type: object
                    properties:
                      id:
                        type: string
                        example: offer-unlimited-basic
    ProductOrder:
      type: object
      properties:
        id:
          type: string
          description: Unique product order identifier
          example: order-500123
        href:
          type: string
          format: uri
          example: https://devex-web.att.com/productOrder/order-500123
        state:
          type: string
          description: Order state
          enum:
            - inProgress
            - completed
            - cancelled
            - failed
          example: inProgress
        externalId:
          type: string
          description: External order identifier
          example: ext-order-500123
    ResourceReservationCreate:
      type: object
      properties:
        resourceCapacity:
          type: array
          items:
            type: object
            properties:
              resourcePool:
                type: object
                properties:
                  id:
                    type: string
                    example: pool-212-area
              capacityAmount:
                type: integer
                example: 1
    ResourceReservation:
      type: object
      properties:
        id:
          type: string
          description: Unique reservation identifier
          example: reservation-500123
        href:
          type: string
          format: uri
          example: https://devex-web.att.com/resourceReservation/reservation-500123
        reservationState:
          type: string
          description: Reservation state
          enum:
            - completed
            - cancelled
            - inProgress
          example: completed
        reservedResource:
          type: array
          items:
            type: object
            properties:
              value:
                type: string
                description: Reserved phone number
                example: '+12125559999'
    ResourceReservationUpdate:
      type: object
      properties:
        reservationState:
          type: string
          description: Updated reservation state
          enum:
            - cancelled
          example: cancelled
    PortabilityOrderCreate:
      type: object
      properties:
        portabilityOrderItem:
          type: array
          items:
            type: object
            properties:
              msisdn:
                type: string
                description: Phone number to port
                example: '+12125551234'
              portingType:
                type: string
                enum:
                  - FULL
                  - PARTIAL
                example: FULL
              currentCarrier:
                type: string
                description: Current carrier name
                example: Verizon
    PortabilityOrder:
      type: object
      properties:
        id:
          type: string
          description: Unique port order identifier
          example: port-500123
        href:
          type: string
          format: uri
          example: https://devex-web.att.com/portabilityOrder/port-500123
        state:
          type: string
          description: Port order state
          enum:
            - inProgress
            - completed
            - cancelled
            - failed
          example: inProgress
        requestedCompletionDate:
          type: string
          format: date-time
          description: Requested completion date for the port
          example: '2026-04-25T00:00:00Z'
    PortabilityOrderUpdate:
      type: object
      properties:
        requestedCompletionDate:
          type: string
          format: date-time
          description: Updated requested completion date
          example: '2026-04-25T00:00:00Z'
    CancelPortabilityOrder:
      type: object
      properties:
        portabilityOrder:
          type: object
          properties:
            id:
              type: string
              description: Port order ID to cancel
              example: port-500123
        cancellationReason:
          type: string
          description: Reason for cancellation
          example: Customer request
    PortabilityOrderCancellation:
      type: object
      properties:
        id:
          type: string
          description: Cancellation record ID
          example: cancel-500123
        state:
          type: string
          description: Cancellation state
          example: completed
        portabilityOrder:
          type: object
          properties:
            id:
              type: string
              example: port-500123
    Resource:
      type: object
      properties:
        id:
          type: string
          description: Unique resource identifier
          example: resource-500123
        name:
          type: string
          description: Device or SIM name
          example: Samsung Galaxy S25
        resourceType:
          type: string
          description: Type of resource
          enum:
            - device
            - sim
          example: device
        status:
          type: string
          description: Resource operational status
          enum:
            - active
            - inactive
            - suspended
          example: active
        serialNumber:
          type: string
          description: Device IMEI or SIM ICCID
          example: IMEI-123456789012345
    ResourceUpdate:
      type: object
      properties:
        resourceCharacteristic:
          type: array
          items:
            type: object
            properties:
              name:
                type: string
                description: Characteristic name to update
                example: voicemailPassword
              value:
                type: string
                description: New value for the characteristic
                example: '1234'
    Product:
      type: object
      properties:
        id:
          type: string
          description: Unique product/subscriber identifier
          example: sub-a1b2c3d4
        href:
          type: string
          format: uri
          example: https://devex-web.att.com/product/sub-a1b2c3d4
        status:
          type: string
          description: Product status
          enum:
            - active
            - suspended
            - terminated
          example: active
        productOffering:
          type: object
          properties:
            id:
              type: string
              example: offer-unlimited-basic
            name:
              type: string
              example: Unlimited Basic Plan
    Service:
      type: object
      properties:
        id:
          type: string
          description: Unique service identifier
          example: svc-500123
        href:
          type: string
          format: uri
          example: https://devex-web.att.com/service/svc-500123
        state:
          type: string
          description: Service state
          enum:
            - active
            - inactive
            - reserved
          example: active
        serviceType:
          type: string
          description: Type of service
          example: MOBILE
    TopupBalanceCreate:
      type: object
      properties:
        channel:
          type: object
          properties:
            name:
              type: string
              example: API
        product:
          type: object
          properties:
            id:
              type: string
              description: Subscriber product ID
              example: sub-a1b2c3d4
        amount:
          type: object
          properties:
            units:
              type: number
              description: Top-up amount
              example: 10.00
            currency:
              type: string
              description: Currency code (ISO 4217)
              example: USD
    TopupBalance:
      type: object
      properties:
        id:
          type: string
          description: Unique top-up transaction identifier
          example: topup-500123
        href:
          type: string
          format: uri
          example: https://devex-web.att.com/topupBalance/topup-500123
        status:
          type: string
          description: Transaction status
          enum:
            - completed
            - failed
            - inProgress
          example: completed
    ErrorResponse:
      type: object
      properties:
        code:
          type: string
          description: Error code
          example: '400'
        reason:
          type: string
          description: Short reason for the error
          example: Bad Request
        message:
          type: string
          description: Detailed error message
          example: Invalid input parameter value
        status:
          type: string
          description: HTTP status code
          example: '400'