openapi: 3.0.0

info:
  title: 3gpp-chargeable-party
  version: 1.4.1
  description: |
    API for Chargeable Party management.  
    © 2026, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC).  
    All rights reserved.

externalDocs:
  description: 3GPP TS 29.122 V19.6.0 T8 reference point for Northbound APIs
  url: 'https://www.3gpp.org/ftp/Specs/archive/29_series/29.122/'

security:
  - {}
  - oAuth2ClientCredentials: []

servers:
  - url: '{apiRoot}/3gpp-chargeable-party/v1'
    variables:
      apiRoot:
        default: https://example.com
        description: apiRoot as defined in clause 5.2.4 of 3GPP TS 29.122.

paths:
  /{scsAsId}/transactions:
    get:
      summary: Read all or queried chargeable party transaction resources for a given SCS/AS.
      operationId: FetchAllChargeablePartyTransactions
      tags:
        - Chargeable Party Transaction Operation
      parameters:
        - name: scsAsId
          in: path
          description: Identifier of SCS/AS
          required: true
          schema:
            type: string
        - name: ip-addrs
          in: query
          description: The IP address(es) of the requested UE(s).
          required: false
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: 'TS29571_CommonData.yaml#/components/schemas/IpAddr'
                minItems: 1
        - name: ip-domain
          in: query
          description: The IPv4 address domain identifier. The attribute may only be provided if IPv4 address is included in the ip-addrs query parameter.
          required: false
          schema:
            type: string
        - name: mac-addrs
          in: query
          description: The MAC address(es) of the requested UE(s).
          required: false
          schema:
            type: array
            items:
              $ref: 'TS29571_CommonData.yaml#/components/schemas/MacAddr48'
            minItems: 1
        - name: supp-feat
          in: query
          description: Contains the list of supported features.
          required: false
          schema:
            $ref: 'TS29571_CommonData.yaml#/components/schemas/SupportedFeatures'
      responses:
        '200':
          description: OK (successful query of Chargeable Party resource)
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/ChargeableParty'
                minItems: 0
                description: individual BDT policy subscription.
        '307':
          $ref: 'TS29122_CommonData.yaml#/components/responses/307'
        '308':
          $ref: 'TS29122_CommonData.yaml#/components/responses/308'
        '400':
          $ref: 'TS29122_CommonData.yaml#/components/responses/400'
        '401':
          $ref: 'TS29122_CommonData.yaml#/components/responses/401'
        '403':
          $ref: 'TS29122_CommonData.yaml#/components/responses/403'
        '404':
          $ref: 'TS29122_CommonData.yaml#/components/responses/404'
        '406':
          $ref: 'TS29122_CommonData.yaml#/components/responses/406'
        '429':
          $ref: 'TS29122_CommonData.yaml#/components/responses/429'
        '500':
          $ref: 'TS29122_CommonData.yaml#/components/responses/500'
        '503':
          $ref: 'TS29122_CommonData.yaml#/components/responses/503'
        default:
          $ref: 'TS29122_CommonData.yaml#/components/responses/default'

    post:
      summary:  Create a new chargeable party transaction resource.
      operationId: CreateChargeablePartyTransaction
      tags:
        - Chargeable Party Transaction Operation
      parameters:
        - name: scsAsId
          in: path
          description: Identifier of SCS/AS
          required: true
          schema:
            type: string
      requestBody:
        description: representation of the Chargeable Party resource to be Created in the SCEF
        required: true
        content:
          application/json: 
            schema:
              $ref: '#/components/schemas/ChargeableParty'
      callbacks:
        eventNotification:
          '{$request.body#/notificationDestination}':
            post:
              requestBody:  # contents of the callback message
                required: true
                content:
                  application/json:
                    schema:
                      $ref: 'TS29122_CommonData.yaml#/components/schemas/NotificationData'
              responses:
                '204':
                  description: No Content (The successful acknowledgement of the notification)
                '307':
                  $ref: 'TS29122_CommonData.yaml#/components/responses/307'
                '308':
                  $ref: 'TS29122_CommonData.yaml#/components/responses/308'
                '400':
                  $ref: 'TS29122_CommonData.yaml#/components/responses/400'
                '401':
                  $ref: 'TS29122_CommonData.yaml#/components/responses/401'
                '403':
                  $ref: 'TS29122_CommonData.yaml#/components/responses/403'
                '404':
                  $ref: 'TS29122_CommonData.yaml#/components/responses/404'
                '411':
                  $ref: 'TS29122_CommonData.yaml#/components/responses/411'
                '413':
                  $ref: 'TS29122_CommonData.yaml#/components/responses/413'
                '415':
                  $ref: 'TS29122_CommonData.yaml#/components/responses/415'
                '429':
                  $ref: 'TS29122_CommonData.yaml#/components/responses/429'
                '500':
                  $ref: 'TS29122_CommonData.yaml#/components/responses/500'
                '503':
                  $ref: 'TS29122_CommonData.yaml#/components/responses/503'
                default:
                  $ref: 'TS29122_CommonData.yaml#/components/responses/default'
      responses:
        '201':
          description: successful creation of a chargeable party resource
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ChargeableParty'
          headers:
            Location:
              description: 'Contains the URI of the newly created resource'
              required: true
              schema:
                type: string
        '400':
          $ref: 'TS29122_CommonData.yaml#/components/responses/400'
        '401':
          $ref: 'TS29122_CommonData.yaml#/components/responses/401'
        '403':
          $ref: 'TS29122_CommonData.yaml#/components/responses/403'
        '404':
          $ref: 'TS29122_CommonData.yaml#/components/responses/404'
        '411':
          $ref: 'TS29122_CommonData.yaml#/components/responses/411'
        '413':
          $ref: 'TS29122_CommonData.yaml#/components/responses/413'
        '415':
          $ref: 'TS29122_CommonData.yaml#/components/responses/415'
        '429':
          $ref: 'TS29122_CommonData.yaml#/components/responses/429'
        '500':
          $ref: 'TS29122_CommonData.yaml#/components/responses/500'
        '503':
          $ref: 'TS29122_CommonData.yaml#/components/responses/503'
        default:
          $ref: 'TS29122_CommonData.yaml#/components/responses/default'

  /{scsAsId}/transactions/{transactionId}:
    get:
      summary: Read a chargeable party resource for a given SCS/AS and a transaction Id.
      operationId: FetchIndChargeablePartyTransaction
      tags:
        - Individual chargeable party resource Operation
      parameters:
        - name: scsAsId
          in: path
          description: Identifier of SCS/AS
          required: true
          schema:
            type: string
        - name: transactionId
          in: path
          description: Identifier of transaction
          required: true
          schema:
            type: string
      responses:
        '200':
          description: OK (successful query of a chargeable party resource)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ChargeableParty'
        '307':
          $ref: 'TS29122_CommonData.yaml#/components/responses/307'
        '308':
          $ref: 'TS29122_CommonData.yaml#/components/responses/308'
        '400':
          $ref: 'TS29122_CommonData.yaml#/components/responses/400'
        '401':
          $ref: 'TS29122_CommonData.yaml#/components/responses/401'
        '403':
          $ref: 'TS29122_CommonData.yaml#/components/responses/403'
        '404':
          $ref: 'TS29122_CommonData.yaml#/components/responses/404'
        '406':
          $ref: 'TS29122_CommonData.yaml#/components/responses/406'
        '429':
          $ref: 'TS29122_CommonData.yaml#/components/responses/429'
        '500':
          $ref: 'TS29122_CommonData.yaml#/components/responses/500'
        '503':
          $ref: 'TS29122_CommonData.yaml#/components/responses/503'
        default:
          $ref: 'TS29122_CommonData.yaml#/components/responses/default'

    patch:
      summary:  Updates a existing chargeable party resource for a given SCS/AS and transaction Id.
      operationId: UpdateChargeablePartyTransaction
      tags:
        - Individual chargeable party resource Operation
      parameters:
        - name: scsAsId
          in: path
          description: Identifier of SCS/AS
          required: true
          schema:
            type: string
        - name: transactionId
          in: path
          description: Identifier of transaction
          required: true
          schema:
            type: string
      requestBody:
        description: representation of the chargeable party resource to be udpated in the SCEF
        required: true
        content:
          application/merge-patch+json:
            schema:
              $ref: '#/components/schemas/ChargeablePartyPatch'
      responses:
        '200':
          description: successful update of a chargeable party resource
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ChargeableParty'
        '204':
          description: No Content
        '307':
          $ref: 'TS29122_CommonData.yaml#/components/responses/307'
        '308':
          $ref: 'TS29122_CommonData.yaml#/components/responses/308'
        '400':
          $ref: 'TS29122_CommonData.yaml#/components/responses/400'
        '401':
          $ref: 'TS29122_CommonData.yaml#/components/responses/401'
        '403':
          $ref: 'TS29122_CommonData.yaml#/components/responses/403'
        '404':
          $ref: 'TS29122_CommonData.yaml#/components/responses/404'
        '411':
          $ref: 'TS29122_CommonData.yaml#/components/responses/411'
        '413':
          $ref: 'TS29122_CommonData.yaml#/components/responses/413'
        '415':
          $ref: 'TS29122_CommonData.yaml#/components/responses/415'
        '429':
          $ref: 'TS29122_CommonData.yaml#/components/responses/429'
        '500':
          $ref: 'TS29122_CommonData.yaml#/components/responses/500'
        '503':
          $ref: 'TS29122_CommonData.yaml#/components/responses/503'
        default:
          $ref: 'TS29122_CommonData.yaml#/components/responses/default'

    delete:
      summary:  Deletes a chargeable party resource for a given SCS/AS and a transcation Id.
      operationId: DeleteChargeablePartyTransaction
      tags:
        - Individual chargeable party resource Operation
      parameters:
        - name: scsAsId
          in: path
          description: Identifier of SCS/AS
          required: true
          schema:
            type: string
        - name: transactionId
          in: path
          description: Identifier of transaction
          required: true
          schema:
            type: string
      responses:
        '204':
          description: successful deletion of an resouce of chargeable party
        '200':
          description: OK (Successful deletion of the existing subscription)
          content:
            application/json:
              schema:
                $ref: 'TS29122_CommonData.yaml#/components/schemas/NotificationData'
        '307':
          $ref: 'TS29122_CommonData.yaml#/components/responses/307'
        '308':
          $ref: 'TS29122_CommonData.yaml#/components/responses/308'
        '400':
          $ref: 'TS29122_CommonData.yaml#/components/responses/400'
        '401':
          $ref: 'TS29122_CommonData.yaml#/components/responses/401'
        '403':
          $ref: 'TS29122_CommonData.yaml#/components/responses/403'
        '404':
          $ref: 'TS29122_CommonData.yaml#/components/responses/404'
        '429':
          $ref: 'TS29122_CommonData.yaml#/components/responses/429'
        '500':
          $ref: 'TS29122_CommonData.yaml#/components/responses/500'
        '503':
          $ref: 'TS29122_CommonData.yaml#/components/responses/503'
        default:
          $ref: 'TS29122_CommonData.yaml#/components/responses/default'
components:
  securitySchemes:
    oAuth2ClientCredentials:
      type: oauth2
      flows:
        clientCredentials:
          tokenUrl: '{tokenUrl}'
          scopes: {}
  schemas: 
    ChargeableParty:
      description: Represents the configuration of a chargeable party.
      type: object
      properties:
        self:
          $ref: 'TS29122_CommonData.yaml#/components/schemas/Link'
        supportedFeatures:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/SupportedFeatures'
        dnn:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/Dnn'
        snssai:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/Snssai'
        notificationDestination:
          $ref: 'TS29122_CommonData.yaml#/components/schemas/Link'
        requestTestNotification:
          type: boolean
          description: Set to true by the SCS/AS to request the SCEF to send a test notification as defined in clause 5.2.5.3. Set to false or omitted otherwise.
        websockNotifConfig:
          $ref: 'TS29122_CommonData.yaml#/components/schemas/WebsockNotifConfig'
        exterAppId:
          type: string
          description: Identifies the external Application Identifier.
        ipv4Addr:
          $ref: 'TS29122_CommonData.yaml#/components/schemas/Ipv4Addr'
        ipDomain:
          type: string
        ipv6Addr :
          $ref: 'TS29122_CommonData.yaml#/components/schemas/Ipv6Addr'
        macAddr:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/MacAddr48'
        flowInfo:
          type: array
          items:
            $ref: 'TS29122_CommonData.yaml#/components/schemas/FlowInfo'
          minItems: 1
          description: Describes the application flows.
        ethFlowInfo:
          type: array
          items:
            $ref: 'TS29514_Npcf_PolicyAuthorization.yaml#/components/schemas/EthFlowDescription'
          minItems: 1
          description: Identifies Ethernet packet flows.
        sponsorInformation:
          $ref: 'TS29122_CommonData.yaml#/components/schemas/SponsorInformation'
        sponsoringEnabled:
          type: boolean
          description: >
            Indicates whether the sponsoring data connectivity is enabled (true) or not (false).
        referenceId:
          $ref: 'TS29122_CommonData.yaml#/components/schemas/BdtReferenceId'
        servAuthInfo:
          $ref: 'TS29514_Npcf_PolicyAuthorization.yaml#/components/schemas/ServAuthInfo'
        usageThreshold:
          $ref: 'TS29122_CommonData.yaml#/components/schemas/UsageThreshold'
        events:
          type: array
          items:
            $ref: 'TS29122_CommonData.yaml#/components/schemas/Event'
          minItems: 1
          description: Represents the list of event(s) to which the SCS/AS requests to subscribe to.
      required:
        - notificationDestination
        - sponsorInformation
        - sponsoringEnabled
    ChargeablePartyPatch:
      description: Represents a modification request of a chargeable party resource.
      type: object
      properties:
        flowInfo:
          type: array
          items:
            $ref: 'TS29122_CommonData.yaml#/components/schemas/FlowInfo'
          minItems: 1
          description: Describes the IP flows.
        exterAppId:
          type: string
          description: Identifies the external Application Identifier.
        ethFlowInfo:
          type: array
          items:
            $ref: 'TS29514_Npcf_PolicyAuthorization.yaml#/components/schemas/EthFlowDescription'
          minItems: 1
          description: Identifies Ethernet packet flows.
        sponsoringEnabled:
          type: boolean
          description: >
            Indicates whether the sponsoring data connectivity is enabled (true) or not (false).
        referenceId:
          $ref: 'TS29122_CommonData.yaml#/components/schemas/BdtReferenceId'
        usageThreshold:
          $ref: 'TS29122_CommonData.yaml#/components/schemas/UsageThresholdRm'
        notificationDestination:
          $ref: 'TS29122_CommonData.yaml#/components/schemas/Link'
        events:
          description: Represents the list of event(s) to which the SCS/AS requests to subscribe to.
          type: array
          items:
            $ref: 'TS29122_CommonData.yaml#/components/schemas/Event'
          minItems: 1