curl -X POST 'https://api.anthropic.com/v1/environments?beta=true' \
  -H "x-api-key: $ANTHROPIC_API_KEY" \
  -H 'anthropic-version: 2023-06-01' \
  -H 'Content-Type: application/json' \
  -d '{
  "name": "example-name"
}'

# POST /v1/environments?beta=true (Claude API)
Base URL: https://api.anthropic.com
Auth: x-api-key; Anthropic API key; required.
Status: Beta.
Request formats: application/json.
Last verified: 2026-10-20

> Create Environment

## Critical Gotchas
* Authentication uses the `x-api-key` header and requests also require an `anthropic-version` header.
* The official OpenAPI URL is discovered from the SDK repository manifest and must remain under Anthropic's trusted Stainless storage prefix.

## cURL
curl -X POST 'https://api.anthropic.com/v1/environments?beta=true' \
  -H "x-api-key: $ANTHROPIC_API_KEY" \
  -H 'anthropic-version: 2023-06-01' \
  -H 'Content-Type: application/json' \
  -d '{
  "name": "example-name"
}'

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| name | body | string | Yes | Human-readable name for the environment |
| config | body | object | No | Environment configuration |
| description | body | string | No | Optional description of the environment |
| metadata | body | object | No | User-provided metadata key-value pairs |
| scope | body | string | No | The visibility scope for this environment. 'organization' makes the environme... |

## Response example
{"type":"environment","id":"env_011CZkZ9X2dpNyB7HsEFoRfW"}

---
Need an API key? Get one at https://console.anthropic.com/settings/keys

POST

POST /v1/environments?beta=true — Claude API

Beta

Anthropic API key (required); https://api.anthropic.com

Claude API

Create Environment

Base URL: https://api.anthropic.com
Auth: x-api-key: <ANTHROPIC_API_KEY>
Last verified: 2026-10-20 · upstream hash matched

Actions Try in browser→

Agents: curl -H "Accept: text/markdown" this URL
→ 259 tokens · Vary: Accept

Critical gotchas

Authentication uses the x-api-key header and requests also require an anthropic-version header.

The official OpenAPI URL is discovered from the SDK repository manifest and must remain under Anthropic's trusted Stainless storage prefix.

cURL

curl -X POST 'https://api.anthropic.com/v1/environments?beta=true' \  -H "x-api-key: $ANTHROPIC_API_KEY" \  -H 'anthropic-version: 2023-06-01' \  -H 'Content-Type: application/json' \  -d '{  "name": "example-name"}'

Parameters

Name	In	Type	Required	Description
config	body	object	No	Environment configuration
description	body	string	No	Optional description of the environment
metadata	body	object	No	User-provided metadata key-value pairs
name	body	string	Yes	Human-readable name for the environment
scope	body	string	No	The visibility scope for this environment. 'organization' makes the environment visible to all accounts. 'account' restricts visibility to the owning account only. Only applicable for self-hosted environments. If not specified, defaults based on organization type.

Response 200 OK

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

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