--- title: List Environments url: https://platform.claude.com/docs/en/api/java/beta/environments/list --- # List Environments `EnvironmentListPage beta().environments().list(params = EnvironmentListParams.none(), requestOptions = RequestOptions.none())` **GET** `/v1/environments` List environments with pagination support. ## Parameters - `EnvironmentListParams params` - `Optional includeArchived` (query parameter) Include archived environments in the response - `Optional limit` (query parameter) Maximum number of environments to return minimum: 1, maximum: 1000 - `Optional page` (query parameter) Opaque cursor from previous response for pagination. Pass the `next_page` value from the previous response. - `Optional> betas` (header parameter) Optional header to specify the beta version(s) you want to use. - `MESSAGE_BATCHES_2024_09_24("message-batches-2024-09-24")` - `PROMPT_CACHING_2024_07_31("prompt-caching-2024-07-31")` - `COMPUTER_USE_2024_10_22("computer-use-2024-10-22")` - `COMPUTER_USE_2025_01_24("computer-use-2025-01-24")` - `PDFS_2024_09_25("pdfs-2024-09-25")` - `TOKEN_COUNTING_2024_11_01("token-counting-2024-11-01")` - `TOKEN_EFFICIENT_TOOLS_2025_02_19("token-efficient-tools-2025-02-19")` - `OUTPUT_128K_2025_02_19("output-128k-2025-02-19")` - `FILES_API_2025_04_14("files-api-2025-04-14")` - `MCP_CLIENT_2025_04_04("mcp-client-2025-04-04")` - `MCP_CLIENT_2025_11_20("mcp-client-2025-11-20")` - `DEV_FULL_THINKING_2025_05_14("dev-full-thinking-2025-05-14")` - `INTERLEAVED_THINKING_2025_05_14("interleaved-thinking-2025-05-14")` - `CODE_EXECUTION_2025_05_22("code-execution-2025-05-22")` - `EXTENDED_CACHE_TTL_2025_04_11("extended-cache-ttl-2025-04-11")` - `CONTEXT_1M_2025_08_07("context-1m-2025-08-07")` - `CONTEXT_MANAGEMENT_2025_06_27("context-management-2025-06-27")` - `MODEL_CONTEXT_WINDOW_EXCEEDED_2025_08_26("model-context-window-exceeded-2025-08-26")` - `SKILLS_2025_10_02("skills-2025-10-02")` - `FAST_MODE_2026_02_01("fast-mode-2026-02-01")` - `OUTPUT_300K_2026_03_24("output-300k-2026-03-24")` - `USER_PROFILES_2026_03_24("user-profiles-2026-03-24")` - `USER_PROFILES_2026_08_18("user-profiles-2026-08-18")` - `USER_PROFILES_2026_09_04("user-profiles-2026-09-04")` - `ADVISOR_TOOL_2026_03_01("advisor-tool-2026-03-01")` - `MANAGED_AGENTS_2026_04_01("managed-agents-2026-04-01")` - `CACHE_DIAGNOSIS_2026_04_07("cache-diagnosis-2026-04-07")` - `DREAMING_2026_04_21("dreaming-2026-04-21")` - `THINKING_TOKEN_COUNT_2026_05_13("thinking-token-count-2026-05-13")` - `SERVER_SIDE_FALLBACK_2026_06_01("server-side-fallback-2026-06-01")` - `SERVER_SIDE_FALLBACK_2026_07_01("server-side-fallback-2026-07-01")` - `FALLBACK_CREDIT_2026_06_01("fallback-credit-2026-06-01")` - `FALLBACK_CREDIT_2026_07_01("fallback-credit-2026-07-01")` - `AGENT_MEMORY_2026_07_22("agent-memory-2026-07-22")` - `MID_CONVERSATION_TOOL_CHANGES_2026_07_01("mid-conversation-tool-changes-2026-07-01")` - `COMPACT_2026_01_12("compact-2026-01-12")` - `COMPUTER_USE_2025_11_24("computer-use-2025-11-24")` - `MCP_TUNNELS_2026_06_22("mcp-tunnels-2026-06-22")` - `STRUCTURED_OUTPUTS_2025_11_13("structured-outputs-2025-11-13")` - `TASK_BUDGETS_2026_03_13("task-budgets-2026-03-13")` - `THINKING_DISPLAY_UPDATES_2026_08_18("thinking-display-updates-2026-08-18")` - `CE_USER_MANAGEMENT_2026_07_13("ce-user-management-2026-07-13")` - `MID_CONVERSATION_OUTPUT_CONFIG_2026_07_01("mid-conversation-output-config-2026-07-01")` - `THINKING_BINDING_CONTROLS_2026_08_01("thinking-binding-controls-2026-08-01")` - `MID_CONVERSATION_SYSTEM_CLEAR_AT_2026_08_21("mid-conversation-system-clear-at-2026-08-21")` - `COMPACT_2026_09_04("compact-2026-09-04")` - `INLINE_TOOLS_2026_09_15("inline-tools-2026-09-15")` - `MCP_CLIENT_2026_09_15("mcp-client-2026-09-15")` - `CE_PLUGINS_2026_09_01("ce-plugins-2026-09-01")` - `SPEND_LIMIT_READS_2026_09_26("spend-limit-reads-2026-09-26")` - `TELEMETRY_DESTINATIONS_2026_08_11("telemetry-destinations-2026-08-11")` - `Optional workspaceId` (header parameter) Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`). Only needed for credentials that can act on more than one Workspace. A credential that belongs to a specific Workspace may omit it; if sent, it must match that Workspace. ## Returns - `class BetaEnvironment` Unified Environment resource for both cloud and self-hosted environments. - `JsonValue type = "environment"` The type of object (always 'environment') - `String id` Environment identifier (e.g., 'env_...') - `Optional archivedAt` RFC 3339 timestamp when environment was archived, or null if not archived - `Config config` Environment configuration (either Anthropic Cloud or self-hosted) - `class BetaCloudConfig` `cloud` environment configuration. - `JsonValue type = "cloud"` Environment type - `Networking networking` Network configuration policy. - `class BetaUnrestrictedNetwork` Unrestricted network access. - `JsonValue type = "unrestricted"` Network policy type - `class BetaLimitedNetwork` Limited network access. - `JsonValue type = "limited"` Network policy type - `boolean allowMcpServers` Permits outbound access to MCP server endpoints configured on the agent, beyond those listed in the `allowed_hosts` array. - `boolean allowPackageManagers` Permits outbound access to public package registries (PyPI, npm, etc.) beyond those listed in the `allowed_hosts` array. - `List allowedHosts` Specifies domains the container can reach. - `BetaPackages packages` Package manager configuration. - `Optional type` Package configuration type - `List apt` Ubuntu/Debian packages to install - `List cargo` Rust packages to install - `List gem` Ruby packages to install - `List go` Go packages to install - `List npm` Node.js packages to install - `List pip` Python packages to install - `class BetaSelfHostedConfig` Configuration for self-hosted environments. - `JsonValue type = "self_hosted"` Environment type - `String createdAt` RFC 3339 timestamp when environment was created - `Optional description` User-provided description for the environment; null when unset - `Metadata metadata` User-provided metadata key-value pairs - `String name` Human-readable name for the environment - `String updatedAt` RFC 3339 timestamp when environment was last updated - `Optional scope` The visibility scope for this environment. 'organization' means visible to all accounts. 'account' means visible only to the owning account. - `ORGANIZATION("organization")` - `ACCOUNT("account")` ## Example ```java package com.anthropic.example; import com.anthropic.client.AnthropicClient; import com.anthropic.client.okhttp.AnthropicOkHttpClient; import com.anthropic.models.beta.environments.EnvironmentListPage; import com.anthropic.models.beta.environments.EnvironmentListParams; public final class Main { private Main() {} public static void main(String[] args) { AnthropicClient client = AnthropicOkHttpClient.fromEnv(); EnvironmentListPage page = client.beta().environments().list(); } } ``` ### Response (200) ```json { "data": [ { "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" } ], "next_page": "page_MjAyNS0wNS0xNFQwMDowMDowMFo=" } ```