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

# POST /v1/environments/{environment_id}/work/{work_id}/stop?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

> Stop Work

## 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/environment-id/work/work-id/stop?beta=true' \
  -H "x-api-key: $ANTHROPIC_API_KEY" \
  -H 'anthropic-version: 2023-06-01' \
  -H 'Content-Type: application/json' \
  -d '{}'

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| environment_id | path | string | Yes | path parameter environment_id. |
| work_id | path | string | Yes | path parameter work_id. |
| force | body | boolean | No | If true, immediately stop work without graceful shutdown |

## Response example
{"acknowledged_at":"string","created_at":"string"}

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

POST

POST /v1/environments/{environment_id}/work/{work_id}/stop?beta=true — Claude API

Beta

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

Claude API

Stop Work

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
→ 214 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/environment-id/work/work-id/stop?beta=true' \  -H "x-api-key: $ANTHROPIC_API_KEY" \  -H 'anthropic-version: 2023-06-01' \  -H 'Content-Type: application/json' \  -d '{}'

Parameters

Name	In	Type	Required	Description
environment_id	path	string	Yes	path parameter environment_id.
work_id	path	string	Yes	path parameter work_id.
force	body	boolean	No	If true, immediately stop work without graceful shutdown

Response 200 OK

{
  "acknowledged_at": "string",
  "created_at": "string",
  "data": {
    "id": "string",
    "type": "string"
  },
  "environment_id": "string",
  "id": "string",
  "latest_heartbeat_at": "string",
  "metadata": {},
  "secret": "string",
  "started_at": "string",
  "state": "queued",
  "stop_requested_at": "string",
  "stopped_at": "string",
  "type": "work"
}

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