openapi: 3.0.0
info:
  title: EES Session with QoS API
  description: |
    API for EES Session with Qos service.  
    © 2026, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC).  
    All rights reserved.
  version: 1.2.2
externalDocs:
  description: >
    3GPP TS 29.558 V19.7.0 Enabling Edge Applications;
    Application Programming Interface (API) specification; Stage 3
  url: https://www.3gpp.org/ftp/Specs/archive/29_series/29.558/
security:
  - {}
  - oAuth2ClientCredentials: []
servers:
  - url: '{apiRoot}/eees-session-with-qos/v1'
    variables:
      apiRoot:
        default: https://example.com
        description: apiRoot as defined in clause 7.5 of 3GPP TS 29.558.

paths:
  /sessions:
    post:
      summary: Create a new Individual Session with QoS resource
      operationId: CreateIndSessionWithQoS
      tags:
        - Sessions with QoS (Collection)
      description: >
        Request reservation of resources for a data session between AC and EAS with a specific QoS.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/SessionWithQoS'
      responses:
        '201':
          description: Created (Successful creation)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SessionWithQoS'
          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:
          $ref: 'TS29122_CommonData.yaml#/components/responses/default'
      callbacks:
        notificationDestination:
          '{$request.body#/notificationDestination}':
            post:
              requestBody:  # contents of the callback message
                required: true
                content:
                  application/json:
                    schema:
                      $ref: '#/components/schemas/UserPlaneEventNotification'
              responses:
                '204':
                  description: No Content (successful 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'

    get:
      summary: Read all Sessions with QoS resource
      operationId: ReadAllSessionsWithQoS
      tags:
        - Sessions with QoS (Collection)
      description: Retrieve all the Session With QoS information.
      parameters:
        - name: eas-id
          in: query
          description: Identifier of the EAS which querying the status of subscriptions.
          required: true
          schema:
            type: string
      responses:
        '200':
          description: OK (Successful get all of the active subscriptions)
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/SessionWithQoS'
                minItems: 1
                description: >
                  All the subscription information related to the request URI is returned
        '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'

  /sessions/{sessionId}:
    put:
      summary: Update an Individual Session with QoS resource
      operationId: UpdateIndSessionWithQoS
      tags:
        - Individual Session with QoS (Document)
      description: >
        Fully replace an existing Individual Session with QoS resource identified by a sessionId.
      parameters:
        - name: sessionId
          in: path
          description: Session Id.
          required: true
          schema:
            type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/SessionWithQoS'
      responses:
        '200':
          description: >
            The individual Session with QoS is successfully modified and the updated
            session with QoS context information is returned in the response.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SessionWithQoS'
        '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'

    patch:
      summary: Modify an Individual Session with QoS resource
      operationId: ModifyIndSessionWithQoS
      tags:
        - Individual Session with QoS (Document)
      parameters:
        - name: sessionId
          in: path
          description: session Id.
          required: true
          schema:
            type: string
      requestBody:
        description: >
          Partial update an existing Individual Session with QoS resource identified by a sessionId.
        required: true
        content:
          application/merge-patch+json:
            schema:
              $ref: '#/components/schemas/SessionWithQoSPatch'
      responses:
        '200':
          description: >
            The individual Session with QoS is successfully modified and the updated
            session with QoS context information is returned in the response.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SessionWithQoS'
        '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: Delete an Individual Session with QoS resource
      operationId: DeleteIndSessionWithQoS
      tags:
        - Individual Session with QoS (Document)
      description: Remove an Individual Session with QoS resource identified by a sessionId.
      parameters:
        - name: sessionId
          in: path
          description: session Id.
          required: true
          schema:
            type: string
      responses:
        '204':
          description: >
            The individual Session with QoS resource matching the sessionId is successfully deleted.
        '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'
    get:
      summary: Read Individual Session with QoS resource
      operationId: ReadIndSessionWithQoS
      tags:
        - Individual Session with QoS (Document)
      description: Read a subscription resource for a sessionId.
      parameters:
        - name: sessionId
          in: path
          description: Session Id.
          required: true
          schema:
            type: string
      responses:
        '200':
          description: The subscription information related to the request URI is returned.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SessionWithQoS'
        '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'


# Components

components:
  securitySchemes:
    oAuth2ClientCredentials:
      type: oauth2
      flows:
        clientCredentials:
          tokenUrl: '{tokenUrl}'
          scopes: {}

  schemas:
    SessionWithQoS:
      type: object
      description: Represents an Individual Session with QoS Subscription.
      properties:
        self:
          $ref: 'TS29122_CommonData.yaml#/components/schemas/Uri'
        easId:
          type: string
          description: Identifier of an EAS.
        ueIpv4Addr:
          $ref: 'TS29122_CommonData.yaml#/components/schemas/Ipv4Addr'
        ueIpv6Addr:
          $ref: 'TS29122_CommonData.yaml#/components/schemas/Ipv6Addr'
        ipDomain:
          type: string
        ueId:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/Gpsi'
        intGrpId:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/GroupId'
        extGrpId:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/ExternalGroupId'
        ipFlows:
          type: array
          items:
            $ref: 'TS29514_Npcf_PolicyAuthorization.yaml#/components/schemas/FlowDescription'
          minItems: 1
          description: Contains the flow description for the Uplink and/or Downlink IP flows.
        trafFilterInfo:
          $ref: 'TS29558_Eees_ACRManagementEvent.yaml#/components/schemas/TrafficFilterInfo'
        qosReference:
          type: string
          description: Identifies a pre-defined QoS information.
        altQosReference:
          type: array
          items:
            type: string
          description: >
            Identifies an ordered list of pre-defined QoS information.
            The lower the index of the array for a given entry, the higher the priority.
        events:
          type: array
          items:
            $ref: 'TS29122_AsSessionWithQoS.yaml#/components/schemas/UserPlaneEvent'
          description: Indicates the events subscribed by the EAS.
        sponsorInformation:
          $ref: 'TS29122_CommonData.yaml#/components/schemas/SponsorInformation'
        qosMonInfo:
          $ref: 'TS29122_AsSessionWithQoS.yaml#/components/schemas/QosMonitoringInformation'
        notificationDestination:
          $ref: 'TS29122_CommonData.yaml#/components/schemas/Uri'
        dnn:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/Dnn'
        snssai:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/Snssai'
        maxbrUl:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/BitRate'
        maxbrDl:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/BitRate'
        disUeNotif:
          type: boolean
          description: >
            Indicates to disable QoS flow parameters signalling to the UE when the SMF is notified
            by the NG-RAN of changes in the fulfilled QoS situation when it is included and set to
            "true". The fulfilled situation is either the QoS profile or an Alternative QoS Profile.
            The default value "false" shall apply, if the attribute is not present and has not been
            supplied previously.
        requestTestNotification:
          type: boolean
          description: >
            Set to true by Subscriber to request the EES to send a test notification
            as defined in 3GPP TS 29.122. Set to false or omitted otherwise.
        websockNotifConfig:
          $ref: 'TS29122_CommonData.yaml#/components/schemas/WebsockNotifConfig'
        suppFeat:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/SupportedFeatures'
      required:
        - easId
        - ipFlows

    SessionWithQoSPatch:
      type: object
      description: Represents a modification request of Individual Session with QoS Subscription.
      properties:
        ipFlows:
          type: array
          items:
            $ref: 'TS29514_Npcf_PolicyAuthorization.yaml#/components/schemas/FlowDescription'
          minItems: 1
          description: Contains the flow description for the Uplink and/or Downlink IP flows.
        trafFilterInfo:
          $ref: 'TS29558_Eees_ACRManagementEvent.yaml#/components/schemas/TrafficFilterInfo'
        qosReference:
          type: string
          description: Identifies a pre-defined QoS information.
        altQosReference:
          type: array
          items:
            type: string
          description: >
            Identifies an ordered list of pre-defined QoS information.
            The lower the index of the array for a given entry, the higher the priority.
        events:
          type: array
          items:
            $ref: 'TS29122_AsSessionWithQoS.yaml#/components/schemas/UserPlaneEvent'
          description: Indicates the events subscribed by the EAS.
        sponsorInformation:
          $ref: 'TS29122_CommonData.yaml#/components/schemas/SponsorInformation'
        qosMonInfo:
          $ref: 'TS29122_AsSessionWithQoS.yaml#/components/schemas/QosMonitoringInformationRm'
        notificationDestination:
          $ref: 'TS29122_CommonData.yaml#/components/schemas/Uri'
        maxbrUl:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/BitRateRm'
        maxbrDl:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/BitRateRm'
        disUeNotif:
          type: boolean

    UserPlaneEventNotification:
      type: object
      description: Represents the user plane event notification.
      properties:
        sessionId:
          type: string
          description: >
            String identifying the individual data session information for which
            the QoS event notification is delivered.
        eventReports:
          type: array
          items:
            $ref: 'TS29122_AsSessionWithQoS.yaml#/components/schemas/UserPlaneEventReport'
          minItems: 1
          description: >
            Contains the flow description for the Uplink and/or Downlink IP flows.
      required:
        - sessionId
        - eventReports
