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OpenAPI Specification

openapi: 3.1.0
info:
  title: Lumen Internet On-Demand Bandwidth API
  description: The Lumen Internet On-Demand API enables programmatic provisioning and management of internet bandwidth services. It provides access to Lumen's global fiber network, allowing customers to dynamically adjust bandwidth, manage connections, and automate network provisioning through a secure REST API using OAuth 2.0 client credentials authentication.
  version: '2026-01-01'
  contact:
    name: Lumen Developer Center
    url: https://developer.lumen.com
  termsOfService: https://www.lumen.com/en-us/about/legal/api-developer-terms-and-conditions.html
servers:
- url: https://api.lumen.com
  description: Production
security:
- oauth2: []
tags:
- name: Bandwidth
  description: Bandwidth provisioning and adjustment
paths:
  /internet-on-demand/connections/{connectionId}/bandwidth:
    put:
      operationId: updateBandwidth
      summary: Update bandwidth
      description: Dynamically adjust the bandwidth for an existing connection.
      tags:
      - Bandwidth
      parameters:
      - name: connectionId
        in: path
        required: true
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/BandwidthUpdate'
      responses:
        '200':
          description: Bandwidth updated
        '400':
          description: Bad request
        '404':
          description: Connection not found
components:
  schemas:
    BandwidthUpdate:
      type: object
      required:
      - bandwidth
      properties:
        bandwidth:
          type: string
        effectiveDate:
          type: string
          format: date-time
  securitySchemes:
    oauth2:
      type: oauth2
      flows:
        clientCredentials:
          tokenUrl: https://api.lumen.com/oauth2/token
          scopes:
            read: Read access to connections
            write: Write access to connections
externalDocs:
  description: Lumen Developer Center Documentation
  url: https://developer.lumen.com/apis/internet-on-demand