## Get Environment

`beta.environments.retrieve(environment_id, **kwargs) -> BetaEnvironment`

**get** `/v1/environments/{environment_id}`

Retrieve a specific environment by ID.

### Parameters

- `environment_id: String`

- `betas: Array[AnthropicBeta]`

  Optional header to specify the beta version(s) you want to use.

  - `String = String`

  - `AnthropicBeta = :"message-batches-2024-09-24" | :"prompt-caching-2024-07-31" | :"computer-use-2024-10-22" | 23 more`

    - `:"message-batches-2024-09-24"`

    - `:"prompt-caching-2024-07-31"`

    - `:"computer-use-2024-10-22"`

    - `:"computer-use-2025-01-24"`

    - `:"pdfs-2024-09-25"`

    - `:"token-counting-2024-11-01"`

    - `:"token-efficient-tools-2025-02-19"`

    - `:"output-128k-2025-02-19"`

    - `:"files-api-2025-04-14"`

    - `:"mcp-client-2025-04-04"`

    - `:"mcp-client-2025-11-20"`

    - `:"dev-full-thinking-2025-05-14"`

    - `:"interleaved-thinking-2025-05-14"`

    - `:"code-execution-2025-05-22"`

    - `:"extended-cache-ttl-2025-04-11"`

    - `:"context-1m-2025-08-07"`

    - `:"context-management-2025-06-27"`

    - `:"model-context-window-exceeded-2025-08-26"`

    - `:"skills-2025-10-02"`

    - `:"fast-mode-2026-02-01"`

    - `:"output-300k-2026-03-24"`

    - `:"user-profiles-2026-03-24"`

    - `:"advisor-tool-2026-03-01"`

    - `:"managed-agents-2026-04-01"`

    - `:"cache-diagnosis-2026-04-07"`

    - `:"thinking-token-count-2026-05-13"`

### Returns

- `class BetaEnvironment`

  Unified Environment resource for both cloud and self-hosted environments.

  - `id: String`

    Environment identifier (e.g., 'env_...')

  - `archived_at: String`

    RFC 3339 timestamp when environment was archived, or null if not archived

  - `config: BetaCloudConfig | BetaSelfHostedConfig`

    Environment configuration (either Anthropic Cloud or self-hosted)

    - `class BetaCloudConfig`

      `cloud` environment configuration.

      - `networking: BetaUnrestrictedNetwork | BetaLimitedNetwork`

        Network configuration policy.

        - `class BetaUnrestrictedNetwork`

          Unrestricted network access.

          - `type: :unrestricted`

            Network policy type

            - `:unrestricted`

        - `class BetaLimitedNetwork`

          Limited network access.

          - `allow_mcp_servers: bool`

            Permits outbound access to MCP server endpoints configured on the agent, beyond those listed in the `allowed_hosts` array.

          - `allow_package_managers: bool`

            Permits outbound access to public package registries (PyPI, npm, etc.) beyond those listed in the `allowed_hosts` array.

          - `allowed_hosts: Array[String]`

            Specifies domains the container can reach.

          - `type: :limited`

            Network policy type

            - `:limited`

      - `packages: BetaPackages`

        Package manager configuration.

        - `apt: Array[String]`

          Ubuntu/Debian packages to install

        - `cargo: Array[String]`

          Rust packages to install

        - `gem_: Array[String]`

          Ruby packages to install

        - `go: Array[String]`

          Go packages to install

        - `npm: Array[String]`

          Node.js packages to install

        - `pip: Array[String]`

          Python packages to install

        - `type: :packages`

          Package configuration type

          - `:packages`

      - `type: :cloud`

        Environment type

        - `:cloud`

    - `class BetaSelfHostedConfig`

      Configuration for self-hosted environments.

      - `type: :self_hosted`

        Environment type

        - `:self_hosted`

  - `created_at: String`

    RFC 3339 timestamp when environment was created

  - `description: String`

    User-provided description for the environment

  - `metadata: Hash[Symbol, String]`

    User-provided metadata key-value pairs

  - `name: String`

    Human-readable name for the environment

  - `type: :environment`

    The type of object (always 'environment')

    - `:environment`

  - `updated_at: String`

    RFC 3339 timestamp when environment was last updated

  - `scope: :organization | :account`

    The visibility scope for this environment. 'organization' means visible to all accounts. 'account' means visible only to the owning account.

    - `:organization`

    - `:account`

### Example

```ruby
require "anthropic"

anthropic = Anthropic::Client.new(api_key: "my-anthropic-api-key")

beta_environment = anthropic.beta.environments.retrieve("env_011CZkZ9X2dpNyB7HsEFoRfW")

puts(beta_environment)
```

#### Response

```json
{
  "id": "env_011CZkZ9X2dpNyB7HsEFoRfW",
  "archived_at": null,
  "config": {
    "networking": {
      "allow_mcp_servers": false,
      "allow_package_managers": true,
      "allowed_hosts": [
        "api.example.com"
      ],
      "type": "limited"
    },
    "packages": {
      "apt": [
        "string"
      ],
      "cargo": [
        "string"
      ],
      "gem": [
        "string"
      ],
      "go": [
        "string"
      ],
      "npm": [
        "string"
      ],
      "pip": [
        "pandas",
        "numpy"
      ],
      "type": "packages"
    },
    "type": "cloud"
  },
  "created_at": "2026-03-15T10:00:00Z",
  "description": "Python environment with data-analysis packages.",
  "metadata": {},
  "name": "python-data-analysis",
  "type": "environment",
  "updated_at": "2026-03-15T10:00:00Z",
  "scope": "organization"
}
```