openapi: 3.0.0

info:
  title: nmbsf-mbs-us
  version: 1.2.0
  description: |
    API for MBS User Service.
    © 2025, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC).
    All rights reserved.

externalDocs:
  description: >
    3GPP TS 29.580 V19.4.0; 5G System; Multicast/Broadcast Service Function Services.
  url: 'https://www.3gpp.org/ftp/Specs/archive/29_series/29.580/'

servers:
  - url: '{apiRoot}/nmbsf-mbs-us/v1'
    variables:
      apiRoot:
        default: https://example.com
        description: apiRoot as defined in clause 4.4 of 3GPP TS 29.501

security:
  - {}
  - oAuth2ClientCredentials: []
#When the Nmbsf_MBSUserService API is consumed by a trusted or internal AF, then the
#"oAuth2ClientCredentials" property shall contain an array of scopes including the API level
#"nmbsf-mbs-us" scope as the only scope.


paths:
  /mbs-user-services:
    get:
      summary: Retrieve all the active MBS User Service(s) managed by the MBSF.
      tags:
        - MBS User Services (Collection)
      operationId: RetrieveMBSUserServices
      responses:
        '200':
          description: >
            OK. All the active MBS User Services managed by the MBSF are returned.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/MBSUserService'
                minItems: 0
        '307':
          $ref: 'TS29571_CommonData.yaml#/components/responses/307'
        '308':
          $ref: 'TS29571_CommonData.yaml#/components/responses/308'
        '400':
          $ref: 'TS29571_CommonData.yaml#/components/responses/400'
        '401':
          $ref: 'TS29571_CommonData.yaml#/components/responses/401'
        '403':
          $ref: 'TS29571_CommonData.yaml#/components/responses/403'
        '404':
          $ref: 'TS29571_CommonData.yaml#/components/responses/404'
        '406':
          $ref: 'TS29571_CommonData.yaml#/components/responses/406'
        '429':
          $ref: 'TS29571_CommonData.yaml#/components/responses/429'
        '500':
          $ref: 'TS29571_CommonData.yaml#/components/responses/500'
        '502':
          $ref: 'TS29571_CommonData.yaml#/components/responses/502'
        '503':
          $ref: 'TS29571_CommonData.yaml#/components/responses/503'
        default:
          $ref: 'TS29571_CommonData.yaml#/components/responses/default'

    post:
      summary: Request the creation of a new MBS User Service.
      tags:
        - MBS User Services (Collection)
      operationId: CreateMBSUserService
      requestBody:
        description: >
          Contains the parameters to request the creation of a new MBS User Service at the MBSF.
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/MBSUserService'
      responses:
        '201':
          description: >
            Created. A new MBS User Service is successfully created and a representation of the
            created Individual MBS User Service resource is returned.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MBSUserService'
          headers:
            Location:
              description: >
                Contains the URI of the newly created resource, according to the structure
                {apiRoot}/nmbsf-mbs-us/v1/mbs-user-services/{mbsUserServId}
              required: true
              schema:
                type: string
        '400':
          $ref: 'TS29571_CommonData.yaml#/components/responses/400'
        '401':
          $ref: 'TS29571_CommonData.yaml#/components/responses/401'
        '403':
          $ref: 'TS29571_CommonData.yaml#/components/responses/403'
        '404':
          $ref: 'TS29571_CommonData.yaml#/components/responses/404'
        '411':
          $ref: 'TS29571_CommonData.yaml#/components/responses/411'
        '413':
          $ref: 'TS29571_CommonData.yaml#/components/responses/413'
        '415':
          $ref: 'TS29571_CommonData.yaml#/components/responses/415'
        '429':
          $ref: 'TS29571_CommonData.yaml#/components/responses/429'
        '500':
          $ref: 'TS29571_CommonData.yaml#/components/responses/500'
        '502':
          $ref: 'TS29571_CommonData.yaml#/components/responses/502'
        '503':
          $ref: 'TS29571_CommonData.yaml#/components/responses/503'
        default:
          $ref: 'TS29571_CommonData.yaml#/components/responses/default'


  /mbs-user-services/{mbsUserServId}:
    parameters:
      - name: mbsUserServId
        in: path
        description: Identifier of the Individual MBS User Service resource.
        required: true
        schema:
          type: string

    get:
      summary: Retrieve an existing Individual MBS User Service resource.
      tags:
        - Individual MBS User Service (Document)
      operationId: RetrieveIndMBSUserService
      responses:
        '200':
          description: >
            OK. The requested Individual MBS User Service resource is successfully returned.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MBSUserService'
        '307':
          $ref: 'TS29571_CommonData.yaml#/components/responses/307'
        '308':
          $ref: 'TS29571_CommonData.yaml#/components/responses/308'
        '400':
          $ref: 'TS29571_CommonData.yaml#/components/responses/400'
        '401':
          $ref: 'TS29571_CommonData.yaml#/components/responses/401'
        '403':
          $ref: 'TS29571_CommonData.yaml#/components/responses/403'
        '404':
          $ref: 'TS29571_CommonData.yaml#/components/responses/404'
        '406':
          $ref: 'TS29571_CommonData.yaml#/components/responses/406'
        '429':
          $ref: 'TS29571_CommonData.yaml#/components/responses/429'
        '500':
          $ref: 'TS29571_CommonData.yaml#/components/responses/500'
        '502':
          $ref: 'TS29571_CommonData.yaml#/components/responses/502'
        '503':
          $ref: 'TS29571_CommonData.yaml#/components/responses/503'
        default:
          $ref: 'TS29571_CommonData.yaml#/components/responses/default'

    put:
      summary: Request the update of an existing Individual MBS User Service resource.
      tags:
        - Individual MBS User Service (Document)
      operationId: UpdateIndMBSUserService
      requestBody:
        description: >
          Contains the updated representation of the Individual MBS User Service resource.
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/MBSUserService'
      responses:
        '200':
          description: >
            OK. The concerned Individual MBS User Service resource is successfully updated and a
            representation of the updated resource is returned in the response body.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MBSUserService'
        '204':
          description: >
            No Content. The concerned Individual MBS User Service resource is successfully updated
            and no content is returned in the response body.
        '307':
          $ref: 'TS29571_CommonData.yaml#/components/responses/307'
        '308':
          $ref: 'TS29571_CommonData.yaml#/components/responses/308'
        '400':
          $ref: 'TS29571_CommonData.yaml#/components/responses/400'
        '401':
          $ref: 'TS29571_CommonData.yaml#/components/responses/401'
        '403':
          $ref: 'TS29571_CommonData.yaml#/components/responses/403'
        '404':
          $ref: 'TS29571_CommonData.yaml#/components/responses/404'
        '411':
          $ref: 'TS29571_CommonData.yaml#/components/responses/411'
        '413':
          $ref: 'TS29571_CommonData.yaml#/components/responses/413'
        '415':
          $ref: 'TS29571_CommonData.yaml#/components/responses/415'
        '429':
          $ref: 'TS29571_CommonData.yaml#/components/responses/429'
        '500':
          $ref: 'TS29571_CommonData.yaml#/components/responses/500'
        '502':
          $ref: 'TS29571_CommonData.yaml#/components/responses/502'
        '503':
          $ref: 'TS29571_CommonData.yaml#/components/responses/503'
        default:
          $ref: 'TS29571_CommonData.yaml#/components/responses/default'

    patch:
      summary: Request the modification of an existing Individual MBS User Service resource.
      tags:
        - Individual MBS User Service (Document)
      operationId: ModifyIndMBSUserService
      requestBody:
        description: >
          Contains the parameters to request the modification of the Individual MBS User Service
          resource.
        required: true
        content:
          application/merge-patch+json:
            schema:
              $ref: '#/components/schemas/MBSUserServicePatch'
      responses:
        '200':
          description: >
            OK. The concerned Individual MBS User Service resource is successfully modified and a
            representation of the updated resource is returned in the response body.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MBSUserService'
        '204':
          description: >
            No Content. The concerned Individual MBS User Service resource is successfully modified
            and no content is returned in the response body.
        '307':
          $ref: 'TS29571_CommonData.yaml#/components/responses/307'
        '308':
          $ref: 'TS29571_CommonData.yaml#/components/responses/308'
        '400':
          $ref: 'TS29571_CommonData.yaml#/components/responses/400'
        '401':
          $ref: 'TS29571_CommonData.yaml#/components/responses/401'
        '403':
          $ref: 'TS29571_CommonData.yaml#/components/responses/403'
        '404':
          $ref: 'TS29571_CommonData.yaml#/components/responses/404'
        '411':
          $ref: 'TS29571_CommonData.yaml#/components/responses/411'
        '413':
          $ref: 'TS29571_CommonData.yaml#/components/responses/413'
        '415':
          $ref: 'TS29571_CommonData.yaml#/components/responses/415'
        '429':
          $ref: 'TS29571_CommonData.yaml#/components/responses/429'
        '500':
          $ref: 'TS29571_CommonData.yaml#/components/responses/500'
        '502':
          $ref: 'TS29571_CommonData.yaml#/components/responses/502'
        '503':
          $ref: 'TS29571_CommonData.yaml#/components/responses/503'
        default:
          $ref: 'TS29571_CommonData.yaml#/components/responses/default'

    delete:
      summary: Request the deletion of an existing Individual MBS User Service resource.
      tags:
        - Individual MBS User Service (Document)
      operationId: DeleteIndMBSUserService
      responses:
        '204':
          description: >
            No Content. The concerned Individual MBS User Service resource is successfully deleted.
        '307':
          $ref: 'TS29571_CommonData.yaml#/components/responses/307'
        '308':
          $ref: 'TS29571_CommonData.yaml#/components/responses/308'
        '400':
          $ref: 'TS29571_CommonData.yaml#/components/responses/400'
        '401':
          $ref: 'TS29571_CommonData.yaml#/components/responses/401'
        '403':
          $ref: 'TS29571_CommonData.yaml#/components/responses/403'
        '404':
          $ref: 'TS29571_CommonData.yaml#/components/responses/404'
        '429':
          $ref: 'TS29571_CommonData.yaml#/components/responses/429'
        '500':
          $ref: 'TS29571_CommonData.yaml#/components/responses/500'
        '502':
          $ref: 'TS29571_CommonData.yaml#/components/responses/502'
        '503':
          $ref: 'TS29571_CommonData.yaml#/components/responses/503'
        default:
          $ref: 'TS29571_CommonData.yaml#/components/responses/default'


components:
  securitySchemes:
    oAuth2ClientCredentials:
      type: oauth2
      flows:
        clientCredentials:
          tokenUrl: '{tokenUri}'
          scopes: {}
      description: >
        When the Nmbsf_MBSUserService API is consumed by a trusted or internal AF, then
        'nmbsf-mbs-us' shall be used as the scope (i.e. within the "scopes" property) and
        '{nrfApiRoot}/oauth2/token' shall be used as the URI to retrieve the token within the
        "tokenUrl" property (i.e., instead of 'tokenUri').

#
# STRUCTURED DATA TYPES
#
  schemas:
    MBSUserService:
      description: Represents the parameters of an MBS User Service.
      type: object
      properties:
        extServiceIds:
          type: array
          items:
            $ref: 'TS29571_CommonData.yaml#/components/schemas/Uri'
          minItems: 1
        servType:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/MbsServiceType'
        servClass:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/Uri'
        servAnnModes:
          type: array
          items:
            $ref: '#/components/schemas/ServiceAnnouncementMode'
          minItems: 1
        servNameDescs:
          type: array
          items:
            $ref: '#/components/schemas/ServiceNameDescription'
          minItems: 1
        mainServLang:
          type: string
        suppFeat:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/SupportedFeatures'
      required:
        - extServiceIds
        - servType
        - servClass
        - servAnnModes
        - servNameDescs

    ServiceNameDescription:
      description: >
        Represents a set of per language service name and/or service description.
      type: object
      properties:
        servName:
          type: string
        servDescrip:
          type: string
        language:
          type: string
      required:
        - language
      anyOf:
        - required: [servName]
        - required: [servDescrip]

    MBSUserServicePatch:
      description: >
        Represents the requested modifications to the parameters of an MBS User Service.
      type: object
      properties:
        extServiceIds:
          type: array
          items:
            $ref: 'TS29571_CommonData.yaml#/components/schemas/Uri'
          minItems: 1
        servClass:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/Uri'
        servAnnModes:
          type: array
          items:
            $ref: '#/components/schemas/ServiceAnnouncementMode'
          minItems: 1
        servNameDescs:
          type: array
          items:
            $ref: '#/components/schemas/ServiceNameDescription'
          minItems: 1
        mainServLang:
          type: string

# SIMPLE DATA TYPES
#

#
# ENUMERATIONS
#
    ServiceAnnouncementMode:
      anyOf:
      - type: string
        enum:
          - VIA_MBS_5
          - VIA_MBS_DISTRIBUTION_SESSION
          - PASSED_BACK
      - type: string
        description: >
          This string provides forward-compatibility with future extensions to the enumeration
          and is not used to encode content defined in the present version of this API.
      description: |
        Represents the service announcement mode.  
        Possible values are:
        - VIA_MBS_5: Indicates the MBS User Service Announcement compiled by the MBSF is advertised
          to the MBSF Client at reference point MBS-5.
        - VIA_MBS_DISTRIBUTION_SESSION: Indicates the MBS User Service Announcement compiled by
          the MBSF is advertised to the MBSF Client via the MBS Distribution Session at reference
          point MBS-4-MC.
        - PASSED_BACK: Indicates the MBS User Service Announcement compiled by the MBSF is passed
          back to the MBS Application Provider by the MBSF, and then advertised to the MBSF Client
          via application-private means at reference point MBS-8.
