## Update Environment

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

Update an existing environment's configuration.

### Path Parameters

- `environment_id: string`

### Header Parameters

- `"anthropic-beta": optional array of AnthropicBeta`

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

  - `string`

  - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 25 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"`

    - `"server-side-fallback-2026-06-01"`

    - `"fallback-credit-2026-06-01"`

### Body Parameters

- `config: optional BetaCloudConfigParams or BetaSelfHostedConfigParams`

  Updated environment configuration

  - `BetaCloudConfigParams object { type, networking, packages }`

    Request params for `cloud` environment configuration.

    Fields default to null; on update, omitted fields preserve the
    existing value.

    - `type: "cloud"`

      Environment type

      - `"cloud"`

    - `networking: optional BetaUnrestrictedNetwork or BetaLimitedNetworkParams`

      Network configuration policy. Omit on update to preserve the existing value.

      - `BetaUnrestrictedNetwork object { type }`

        Unrestricted network access.

        - `type: "unrestricted"`

          Network policy type

          - `"unrestricted"`

      - `BetaLimitedNetworkParams object { type, allow_mcp_servers, allow_package_managers, allowed_hosts }`

        Limited network request params.

        Fields default to null; on update, omitted fields preserve the
        existing value.

        - `type: "limited"`

          Network policy type

          - `"limited"`

        - `allow_mcp_servers: optional boolean`

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

        - `allow_package_managers: optional boolean`

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

        - `allowed_hosts: optional array of string`

          Specifies domains the container can reach.

    - `packages: optional BetaPackagesParams`

      Specify packages (and optionally their versions) available in this environment.

      When versioning, use the version semantics relevant for the package manager, e.g. for `pip` use `package==1.0.0`. You are responsible for validating the package and version exist. Unversioned installs the latest.

      - `apt: optional array of string`

        Ubuntu/Debian packages to install

      - `cargo: optional array of string`

        Rust packages to install

      - `gem: optional array of string`

        Ruby packages to install

      - `go: optional array of string`

        Go packages to install

      - `npm: optional array of string`

        Node.js packages to install

      - `pip: optional array of string`

        Python packages to install

      - `type: optional "packages"`

        Package configuration type

        - `"packages"`

  - `BetaSelfHostedConfigParams object { type }`

    Request params for `self_hosted` environment configuration.

    - `type: "self_hosted"`

      Environment type

      - `"self_hosted"`

- `description: optional string`

  Updated description of the environment

- `metadata: optional map[string]`

  User-provided metadata key-value pairs. Set a value to null or empty string to delete the key.

- `name: optional string`

  Updated name for the environment

- `scope: optional "organization" or "account"`

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

  - `"organization"`

  - `"account"`

### Returns

- `BetaEnvironment object { id, archived_at, config, 7 more }`

  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 or BetaSelfHostedConfig`

    Environment configuration (either Anthropic Cloud or self-hosted)

    - `BetaCloudConfig object { networking, packages, type }`

      `cloud` environment configuration.

      - `networking: BetaUnrestrictedNetwork or BetaLimitedNetwork`

        Network configuration policy.

        - `BetaUnrestrictedNetwork object { type }`

          Unrestricted network access.

          - `type: "unrestricted"`

            Network policy type

            - `"unrestricted"`

        - `BetaLimitedNetwork object { allow_mcp_servers, allow_package_managers, allowed_hosts, type }`

          Limited network access.

          - `allow_mcp_servers: boolean`

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

          - `allow_package_managers: boolean`

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

          - `allowed_hosts: array of string`

            Specifies domains the container can reach.

          - `type: "limited"`

            Network policy type

            - `"limited"`

      - `packages: BetaPackages`

        Package manager configuration.

        - `apt: array of string`

          Ubuntu/Debian packages to install

        - `cargo: array of string`

          Rust packages to install

        - `gem: array of string`

          Ruby packages to install

        - `go: array of string`

          Go packages to install

        - `npm: array of string`

          Node.js packages to install

        - `pip: array of string`

          Python packages to install

        - `type: optional "packages"`

          Package configuration type

          - `"packages"`

      - `type: "cloud"`

        Environment type

        - `"cloud"`

    - `BetaSelfHostedConfig object { type }`

      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: map[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: optional "organization" or "account"`

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

    - `"organization"`

    - `"account"`

### Example

```http
curl https://api.anthropic.com/v1/environments/$ENVIRONMENT_ID \
    -H 'Content-Type: application/json' \
    -H 'anthropic-version: 2023-06-01' \
    -H 'anthropic-beta: managed-agents-2026-04-01' \
    -H "X-Api-Key: $ANTHROPIC_API_KEY" \
    -d '{
          "description": "Python environment with data-analysis packages."
        }'
```

#### 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"
}
```
