openapi: 3.2.0
info:
  title: 3gpp-bdt Individual BDT Subscription API
  version: 1.4.0
  description: "API for BDT resouce management.  \n© 2025, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC).  \nAll rights reserved.\n"
servers:
- url: '{apiRoot}/3gpp-bdt/v1'
  variables:
    apiRoot:
      default: https://example.com
      description: apiRoot as defined in clause 5.2.4 of 3GPP TS 29.122.
security:
- {}
- oAuth2ClientCredentials: []
tags:
- name: Individual BDT Subscription
paths:
  /{scsAsId}/subscriptions/{subscriptionId}:
    parameters:
    - name: scsAsId
      description: String identifying the SCS/AS.
      in: path
      required: true
      schema:
        type: string
    - name: subscriptionId
      description: String identifying the individual BDT policy resource in the SCEF.
      in: path
      required: true
      schema:
        type: string
    get:
      summary: Read a background data transfer subscription resource.
      operationId: FetchIndBDTSubscription
      tags:
      - Individual BDT Subscription
      responses:
        '200':
          description: Background data transfer policies offered to and selected by the SCEF.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Bdt'
        '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
    put:
      summary: Update a background data transfer subscription resource for negotiation of background data transfer policy.
      operationId: UpdateBDTSubscription
      tags:
      - Individual BDT Subscription
      requestBody:
        description: Parameters to update/replace the existing BDT subscription
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Bdt'
      responses:
        '200':
          description: OK (Successful update of the BDT subscription)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Bdt'
        '204':
          description: No Content. The Individual BDT Subscription resource was updated successfully.
        '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 a background data transfer subscription resource to select one of the transfer policies offered by the SCEF.
      operationId: ModifyBDTSubscription
      tags:
      - Individual BDT Subscription
      requestBody:
        description: Contains information to be performed on the Bdt data structure to select a transfer policy.
        required: true
        content:
          application/merge-patch+json:
            schema:
              $ref: '#/components/schemas/BdtPatch'
      responses:
        '200':
          description: The Individual BDT Policy resource is modified with a selected policy and a representation of that resource is returned.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Bdt'
        '204':
          description: The Individual BDT Policy resource is modified with a selected policy.
        '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 a background data transfer resource.
      operationId: DeleteBDTSubscription
      tags:
      - Individual BDT Subscription
      responses:
        '204':
          description: The Individual BDT Policy resource is 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
components:
  schemas:
    TransferPolicy:
      description: Represents an offered transfer policy sent from the SCEF to the SCS/AS, or a selected transfer policy sent from the SCS/AS to the SCEF.
      type: object
      properties:
        bdtPolicyId:
          type: integer
          description: Identifier for the transfer policy
        maxUplinkBandwidth:
          $ref: TS29122_CommonData.yaml#/components/schemas/Bandwidth
        maxDownlinkBandwidth:
          $ref: TS29122_CommonData.yaml#/components/schemas/Bandwidth
        ratingGroup:
          type: integer
          minimum: 0
          description: Indicates the rating group during the time window.
        timeWindow:
          $ref: TS29122_CommonData.yaml#/components/schemas/TimeWindow
      required:
      - bdtPolicyId
      - ratingGroup
      - timeWindow
    Bdt:
      description: Represents a Background Data Transfer subscription.
      type: object
      properties:
        self:
          $ref: TS29122_CommonData.yaml#/components/schemas/Link
        supportedFeatures:
          $ref: TS29571_CommonData.yaml#/components/schemas/SupportedFeatures
        aspId:
          type: string
          description: Identifies an application service provider.
        volumePerUE:
          $ref: TS29122_CommonData.yaml#/components/schemas/UsageThreshold
        numberOfUEs:
          type: integer
          minimum: 1
          description: Identifies the number of UEs.
        desiredTimeWindow:
          $ref: TS29122_CommonData.yaml#/components/schemas/TimeWindow
        locationArea:
          $ref: TS29122_CommonData.yaml#/components/schemas/LocationArea
        locationArea5G:
          $ref: TS29122_CommonData.yaml#/components/schemas/LocationArea5G
        referenceId:
          $ref: TS29122_CommonData.yaml#/components/schemas/BdtReferenceId
        transferPolicies:
          type: array
          items:
            $ref: '#/components/schemas/TransferPolicy'
          minItems: 1
          description: Identifies an offered transfer policy.
          readOnly: true
        selectedPolicy:
          type: integer
          description: 'Identity of the selected background data transfer policy. Shall not be present in initial message exchange, can be provided by NF service consumer in a subsequent message exchange.

            '
        externalGroupId:
          $ref: TS29122_CommonData.yaml#/components/schemas/ExternalGroupId
        notificationDestination:
          $ref: TS29122_CommonData.yaml#/components/schemas/Link
        warnNotifEnabled:
          type: boolean
          description: 'Indicates whether the BDT warning notification is enabled (true) or not (false). Default value is false.

            '
        trafficDes:
          $ref: '#/components/schemas/TrafficDescriptor'
        energyInd:
          type: boolean
          default: false
          description: 'Indicates whether the AF is interested in transferring data in time windows that consume lower energy. true indicates that the AF is interested in transferring data in time windows that consume lower energy. false (default) indicates that the AF is not interested in transferring data in time windows that consume lower energy.

            '
      required:
      - volumePerUE
      - numberOfUEs
      - desiredTimeWindow
    TrafficDescriptor:
      type: string
      description: Identify a traffic descriptor as defined in Figure 5.2.2 of 3GPP TS 24.526, octets v+5 to w.
    BdtPatch:
      description: Represents a Background Data Transfer subscription modification request.
      type: object
      properties:
        selectedPolicy:
          type: integer
          description: Identity of the selected background data transfer policy.
        warnNotifEnabled:
          type: boolean
          description: 'Indicates whether the BDT warning notification is enabled (true) or not (false).

            '
        energyInd:
          type: boolean
          default: false
          description: 'Indicates whether the AF is interested in transferring data in time windows that consume lower energy. true indicates that the AF is interested in transferring data in time windows that consume lower energy. false indicates that the AF is not interested in transferring data in time windows that consume lower energy.

            '
        notificationDestination:
          $ref: TS29122_CommonData.yaml#/components/schemas/Link
      required:
      - selectedPolicy
  securitySchemes:
    oAuth2ClientCredentials:
      type: oauth2
      flows:
        clientCredentials:
          tokenUrl: '{tokenUrl}'
          scopes: {}
externalDocs:
  description: 3GPP TS 29.122 V19.5.0 T8 reference point for Northbound APIs
  url: https://www.3gpp.org/ftp/Specs/archive/29_series/29.122/