openapi: 3.0.3
info:
  title: SAP BRIM (Billing and Revenue Innovation Management) SAP BRIM Convergent Charging Balances Plans API
  description: API for real-time charging and rating of usage-based services within the SAP BRIM (Billing and Revenue Innovation Management) suite. Supports complex pricing models, prepaid and postpaid scenarios, tiered and volume-based pricing, and real-time balance management.
  version: 1.0.0
  contact:
    name: SAP Support
    email: support@sap.com
    url: https://support.sap.com
  license:
    name: SAP Developer License
    url: https://www.sap.com/about/legal/terms-of-use.html
  termsOfService: https://www.sap.com/about/legal/terms-of-use.html
servers:
- url: https://api.sap.com/convergent-charging/v1
  description: SAP API Business Hub - Production
- url: https://sandbox.api.sap.com/convergent-charging/v1
  description: SAP API Business Hub - Sandbox
security:
- OAuth2:
  - read
  - write
- ApiKeyAuth: []
tags:
- name: Plans
  description: Subscription plan and offer catalog management
paths:
  /plans:
    get:
      operationId: listPlans
      summary: SAP BRIM (Billing and Revenue Innovation Management) List subscription plans
      description: Retrieves a paginated list of available subscription plans from the product catalog.
      tags:
      - Plans
      parameters:
      - $ref: '#/components/parameters/Offset'
      - $ref: '#/components/parameters/Limit'
      - name: status
        in: query
        schema:
          type: string
          enum:
          - ACTIVE
          - INACTIVE
          - DRAFT
      - name: billingFrequency
        in: query
        schema:
          type: string
          enum:
          - MONTHLY
          - QUARTERLY
          - SEMI_ANNUAL
          - ANNUAL
          - CUSTOM
      responses:
        '200':
          description: List of plans
          content:
            application/json:
              schema:
                type: object
                properties:
                  results:
                    type: array
                    items:
                      $ref: '#/components/schemas/Plan'
                  totalCount:
                    type: integer
                  offset:
                    type: integer
                  limit:
                    type: integer
        '401':
          $ref: '#/components/responses/Unauthorized'
        '500':
          $ref: '#/components/responses/InternalServerError'
    post:
      operationId: createPlan
      summary: SAP BRIM (Billing and Revenue Innovation Management) Create a subscription plan
      description: Creates a new subscription plan in the product catalog with pricing, billing frequency, and included items.
      tags:
      - Plans
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PlanCreate'
      responses:
        '201':
          description: Plan created
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Plan'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '409':
          description: Plan with the same identifier already exists
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          $ref: '#/components/responses/InternalServerError'
  /plans/{planId}:
    get:
      operationId: getPlan
      summary: SAP BRIM (Billing and Revenue Innovation Management) Get a subscription plan
      description: Retrieves details of a specific subscription plan.
      tags:
      - Plans
      parameters:
      - $ref: '#/components/parameters/PlanId'
      responses:
        '200':
          description: Plan details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Plan'
        '404':
          $ref: '#/components/responses/NotFound'
        '500':
          $ref: '#/components/responses/InternalServerError'
    put:
      operationId: updatePlan
      summary: SAP BRIM (Billing and Revenue Innovation Management) Update a subscription plan
      description: Updates an existing subscription plan. Changes do not affect existing subscriptions unless explicitly propagated.
      tags:
      - Plans
      parameters:
      - $ref: '#/components/parameters/PlanId'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PlanCreate'
      responses:
        '200':
          description: Plan updated
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Plan'
        '400':
          $ref: '#/components/responses/BadRequest'
        '404':
          $ref: '#/components/responses/NotFound'
        '500':
          $ref: '#/components/responses/InternalServerError'
    delete:
      operationId: deletePlan
      summary: SAP BRIM (Billing and Revenue Innovation Management) Delete a subscription plan
      description: Deletes a subscription plan. Only DRAFT or INACTIVE plans with no active subscriptions can be deleted.
      tags:
      - Plans
      parameters:
      - $ref: '#/components/parameters/PlanId'
      responses:
        '204':
          description: Plan deleted
        '400':
          $ref: '#/components/responses/BadRequest'
        '404':
          $ref: '#/components/responses/NotFound'
        '500':
          $ref: '#/components/responses/InternalServerError'
components:
  parameters:
    Limit:
      name: limit
      in: query
      description: Maximum number of items to return
      schema:
        type: integer
        default: 20
        minimum: 1
        maximum: 100
    Offset:
      name: offset
      in: query
      description: Number of items to skip for pagination
      schema:
        type: integer
        default: 0
        minimum: 0
    PlanId:
      name: planId
      in: path
      required: true
      description: Unique identifier of the subscription plan
      schema:
        type: string
  responses:
    BadRequest:
      description: Invalid request parameters
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    Unauthorized:
      description: Authentication required or invalid credentials
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    InternalServerError:
      description: Internal server error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    NotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
  schemas:
    ErrorResponse:
      type: object
      properties:
        error:
          type: object
          properties:
            code:
              type: string
            message:
              type: string
            target:
              type: string
            details:
              type: array
              items:
                type: object
                properties:
                  code:
                    type: string
                  message:
                    type: string
    Plan:
      type: object
      properties:
        planId:
          type: string
        name:
          type: string
        description:
          type: string
        status:
          type: string
          enum:
          - ACTIVE
          - INACTIVE
          - DRAFT
        billingFrequency:
          type: string
          enum:
          - MONTHLY
          - QUARTERLY
          - SEMI_ANNUAL
          - ANNUAL
          - CUSTOM
        price:
          $ref: '#/components/schemas/MonetaryAmount'
        setupFee:
          $ref: '#/components/schemas/MonetaryAmount'
        trialPeriodDays:
          type: integer
          minimum: 0
        contractTermMonths:
          type: integer
          description: Minimum contract term in months
        autoRenewDefault:
          type: boolean
        includedItems:
          type: array
          items:
            type: object
            properties:
              productId:
                type: string
              productName:
                type: string
              quantity:
                type: integer
              billingType:
                type: string
                enum:
                - RECURRING
                - ONE_TIME
                - USAGE_BASED
        features:
          type: array
          items:
            type: string
          description: List of features included in this plan
        createdAt:
          type: string
          format: date-time
        modifiedAt:
          type: string
          format: date-time
    PlanCreate:
      type: object
      required:
      - name
      - billingFrequency
      - price
      properties:
        name:
          type: string
        description:
          type: string
        billingFrequency:
          type: string
          enum:
          - MONTHLY
          - QUARTERLY
          - SEMI_ANNUAL
          - ANNUAL
          - CUSTOM
        price:
          $ref: '#/components/schemas/MonetaryAmount'
        setupFee:
          $ref: '#/components/schemas/MonetaryAmount'
        trialPeriodDays:
          type: integer
          minimum: 0
          default: 0
        contractTermMonths:
          type: integer
        autoRenewDefault:
          type: boolean
          default: true
        features:
          type: array
          items:
            type: string
    MonetaryAmount:
      type: object
      required:
      - value
      - currency
      properties:
        value:
          type: number
          format: double
        currency:
          type: string
          pattern: ^[A-Z]{3}$
          description: ISO 4217 currency code
  securitySchemes:
    OAuth2:
      type: oauth2
      flows:
        clientCredentials:
          tokenUrl: https://auth.sap.com/oauth/token
          scopes:
            read: Read access to charging and rating resources
            write: Write access to charging and rating resources
    ApiKeyAuth:
      type: apiKey
      in: header
      name: APIKey