Claude Platform Docs

Create Environment

BetaEnvironment Beta.Environments.Create(parameters, cancellationToken = default)
POST/v1/environments

Create a new environment with the specified configuration.

Parameters
EnvironmentCreateParams parameters
required string name

Human-readable name for the environment

minLength1
maxLength256
Config? config

Environment configuration

class BetaCloudConfigParams { Type = "cloud"; Networking; Packages; }

Request params for cloud environment configuration.

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

class BetaSelfHostedConfigParams { Type = "self_hosted"; }

Request params for self_hosted environment configuration.

JsonElement Type = "self_hosted"

Environment type

string? description

Optional description of the environment

maxLength1024
IReadOnlyDictionary<string, string> metadata

User-provided metadata key-value pairs

Scope? scope

The visibility scope for this environment. 'organization' makes the environment visible to all accounts. 'account' restricts visibility to the owning account only. API organizations support only 'organization'; 'account' is rejected. If not specified, defaults based on organization type.

Organization("organization")
Account("account")
IReadOnlyList<AnthropicBeta> betas⁠Header parameter

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

MessageBatches2024_09_24("message-batches-2024-09-24")
PromptCaching2024_07_31("prompt-caching-2024-07-31")
ComputerUse2024_10_22("computer-use-2024-10-22")
ComputerUse2025_01_24("computer-use-2025-01-24")
Pdfs2024_09_25("pdfs-2024-09-25")
TokenCounting2024_11_01("token-counting-2024-11-01")
TokenEfficientTools2025_02_19("token-efficient-tools-2025-02-19")
Output128k2025_02_19("output-128k-2025-02-19")
FilesApi2025_04_14("files-api-2025-04-14")
McpClient2025_04_04("mcp-client-2025-04-04")
McpClient2025_11_20("mcp-client-2025-11-20")
DevFullThinking2025_05_14("dev-full-thinking-2025-05-14")
InterleavedThinking2025_05_14("interleaved-thinking-2025-05-14")
CodeExecution2025_05_22("code-execution-2025-05-22")
ExtendedCacheTtl2025_04_11("extended-cache-ttl-2025-04-11")
Context1m2025_08_07("context-1m-2025-08-07")
ContextManagement2025_06_27("context-management-2025-06-27")
ModelContextWindowExceeded2025_08_26("model-context-window-exceeded-2025-08-26")
Skills2025_10_02("skills-2025-10-02")
FastMode2026_02_01("fast-mode-2026-02-01")
Output300k2026_03_24("output-300k-2026-03-24")
UserProfiles2026_03_24("user-profiles-2026-03-24")
UserProfiles2026_08_18("user-profiles-2026-08-18")
UserProfiles2026_09_04("user-profiles-2026-09-04")
AdvisorTool2026_03_01("advisor-tool-2026-03-01")
ManagedAgents2026_04_01("managed-agents-2026-04-01")
CacheDiagnosis2026_04_07("cache-diagnosis-2026-04-07")
Dreaming2026_04_21("dreaming-2026-04-21")
ThinkingTokenCount2026_05_13("thinking-token-count-2026-05-13")
ServerSideFallback2026_06_01("server-side-fallback-2026-06-01")
ServerSideFallback2026_07_01("server-side-fallback-2026-07-01")
FallbackCredit2026_06_01("fallback-credit-2026-06-01")
FallbackCredit2026_07_01("fallback-credit-2026-07-01")
AgentMemory2026_07_22("agent-memory-2026-07-22")
MidConversationToolChanges2026_07_01("mid-conversation-tool-changes-2026-07-01")
Compact2026_01_12("compact-2026-01-12")
ComputerUse2025_11_24("computer-use-2025-11-24")
McpTunnels2026_06_22("mcp-tunnels-2026-06-22")
StructuredOutputs2025_11_13("structured-outputs-2025-11-13")
TaskBudgets2026_03_13("task-budgets-2026-03-13")
ThinkingDisplayUpdates2026_08_18("thinking-display-updates-2026-08-18")
CEUserManagement2026_07_13("ce-user-management-2026-07-13")
MidConversationOutputConfig2026_07_01("mid-conversation-output-config-2026-07-01")
ThinkingBindingControls2026_08_01("thinking-binding-controls-2026-08-01")
MidConversationSystemClearAt2026_08_21("mid-conversation-system-clear-at-2026-08-21")
Compact2026_09_04("compact-2026-09-04")
InlineTools2026_09_15("inline-tools-2026-09-15")
McpClient2026_09_15("mcp-client-2026-09-15")
CEPlugins2026_09_01("ce-plugins-2026-09-01")
SpendLimitReads2026_09_26("spend-limit-reads-2026-09-26")
TelemetryDestinations2026_08_11("telemetry-destinations-2026-08-11")
Webhooks2026_10_07("webhooks-2026-10-07")
MessageThreads2026_08_12("message-threads-2026-08-12")
AnalyticsUsageCost2026_08_24("analytics-usage-cost-2026-08-24")
ExperimentalClaudeTag2026_10_21("experimental-claude-tag-2026-10-21")
string workspaceID⁠Header 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 { Type = "environment"; ID; ArchivedAt; /* 7 more */ }

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

Create Environment
using System;
using Anthropic.Models.Beta.Environments;

EnvironmentCreateParams parameters = new() { Name = "python-data-analysis" };

var betaEnvironment = await client.Beta.Environments.Create(parameters);

Console.WriteLine(betaEnvironment);
Returns Examples
Response 200
{
  "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"
}