> ## Documentation Index
> Fetch the complete documentation index at: https://altostrat.io/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# List available server regions

> Retrieves a structured list of all available geographical regions where a VPN instance can be deployed.



## OpenAPI

````yaml /api/en/managed-vpn.yaml get /vpn/servers/regions
openapi: 3.0.3
info:
  title: Altostrat Managed VPN API
  version: 1.0.0
  description: >-
    Manage SDX managed VPN instances, peers, site subnets, regions, and
    user-facing client configuration through the public `/vpn` gateway path.
servers:
  - url: https://v1.api.altostrat.io
    description: Altostrat Production API
security: []
tags:
  - name: Instances
    description: Manage VPN instances, which are the core server deployments.
  - name: Peers
    description: Manage peers, which are the clients and sites connecting to an instance.
  - name: Utilities
    description: Helper endpoints for retrieving supplementary data like server regions.
  - name: Client Configuration
    description: Retrieve user-facing VPN client configuration bundles.
paths:
  /vpn/servers/regions:
    get:
      tags:
        - Utilities
      summary: List available server regions
      description: >-
        Retrieves a structured list of all available geographical regions where
        a VPN instance can be deployed.
      operationId: listServerRegions
      responses:
        '200':
          description: A structured list of available deployment regions.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/RegionResponse'
        '401':
          description: Unauthorized.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      security:
        - BearerAuth:
            - vpn:view
components:
  schemas:
    RegionResponse:
      type: object
      description: >-
        A map of continents, each containing countries and their available
        cities for deployment.
      additionalProperties:
        type: object
        additionalProperties:
          type: object
          properties:
            iso:
              type: string
              example: US
            flag_svg:
              type: string
              example: <svg>...</svg>
            flag:
              type: string
              example: 🇺🇸
            cities:
              type: object
              additionalProperties:
                type: string
              example:
                sjc: Silicon Valley
                lax: Los Angeles
    ErrorResponse:
      type: object
      properties:
        type:
          type: string
          description: A broad category for the error (e.g., 'invalid_request_error').
          example: invalid_request_error
        code:
          type: string
          description: A short, unique string identifying the specific error.
          example: parameter_missing
        message:
          type: string
          description: A human-readable description of what went wrong.
          example: The 'name' parameter is required for this request.
        doc_url:
          type: string
          description: >-
            A direct link to the documentation page for this specific error
            code.
          example: https://docs.altostrat.io/errors/parameter_missing
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: 'Enter your bearer token in the format: Bearer {token}'

````