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OpenAPI Specification

openapi: 3.2.0
info:
  title: Telstra Messaging Provisioning API
  description: 'The Telstra Messaging API provides programmatic SMS and MMS messaging

    services in Australia and select international destinations. Built on

    the Telstra mobile network, the API supports outbound and inbound

    SMS/MMS, delivery status callbacks, virtual numbers, and provisioning

    workflows. Authentication uses OAuth 2.0 client credentials with the

    NSMS scope.'
  version: 2.2.10
  contact:
    name: Telstra Developer Support
    url: https://dev.telstra.com
  termsOfService: https://www.telstra.com.au/business-enterprise/legal/messaging-api-terms-of-service
  license:
    name: Telstra Developer License
    url: https://github.com/telstra/tdev-doc-license
  x-logo:
    url: https://www.telstra.com.au/etc/designs/telstrav8/clientlibs/img/Telstra_Symbol.svg
servers:
- url: https://tapi.telstra.com/v2
  description: Production Server
security:
- OAuth2ClientCredentials:
  - NSMS
tags:
- name: Provisioning
  description: Create, retrieve, and delete dedicated number subscriptions.
paths:
  /messages/provisioning/subscriptions:
    post:
      summary: Telstra Create Subscription
      description: Provision a dedicated virtual number subscription for the calling application, allowing inbound replies.
      operationId: createSubscription
      tags:
      - Provisioning
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateSubscriptionRequest'
      responses:
        '201':
          description: Subscription provisioned.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Subscription'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
    get:
      summary: Telstra Get Subscription
      description: Retrieve the current dedicated virtual number subscription for the authenticated application.
      operationId: getSubscription
      tags:
      - Provisioning
      responses:
        '200':
          description: Current subscription details.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Subscription'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    delete:
      summary: Telstra Delete Subscription
      description: Release the dedicated virtual number subscription for the authenticated application.
      operationId: deleteSubscription
      tags:
      - Provisioning
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                emptyArr:
                  type: integer
                  description: Sentinel field required by the API; pass 0 to confirm deletion.
      responses:
        '204':
          description: Subscription released.
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
components:
  schemas:
    ErrorResponse:
      type: object
      required:
      - status
      - code
      - message
      properties:
        status:
          type: string
        code:
          type: string
        message:
          type: string
    CreateSubscriptionRequest:
      type: object
      properties:
        activeDays:
          type: integer
          description: How many days the dedicated number remains active (1 to 1825).
          minimum: 1
          maximum: 1825
          default: 30
        notifyURL:
          type: string
          format: uri
          description: HTTPS callback URL for inbound message notifications.
        callbackData:
          type: string
          description: Optional opaque value passed through to the notify URL.
    Subscription:
      type: object
      required:
      - destinationAddress
      properties:
        destinationAddress:
          type: string
          description: The dedicated virtual number assigned to the application.
        activeDays:
          type: integer
        notifyURL:
          type: string
          format: uri
        expiryDate:
          type: string
          format: date-time
  responses:
    Unauthorized:
      description: Unauthorized.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    NotFound:
      description: Not Found.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    BadRequest:
      description: Bad Request.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
  securitySchemes:
    OAuth2ClientCredentials:
      type: oauth2
      description: OAuth 2.0 client credentials grant against https://tapi.telstra.com/v2/oauth/token with the NSMS scope.
      flows:
        clientCredentials:
          tokenUrl: https://tapi.telstra.com/v2/oauth/token
          scopes:
            NSMS: Send and receive SMS/MMS through Telstra Messaging.