One change

Acknowledge Work

api/beta/environments/work/ack

25 Aug 2026 03:37 UTC first seen 14 Aug 2026 The page's own history The capture it came from

Nearest release: v2.1.245, published an hour after this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

api/beta/environments/work/ack Changed · +14 / -21 lines

# Acknowledge Work ## Path parameters ## Headers ## Returns ## Example ### Response (200) ## Acknowledge Work ### Path Parameters ### Header Parameters ### Returns ### Example #### Response

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----
-title: Acknowledge Work
-url: https://platform.claude.com/docs/en/api/beta/environments/work/ack
----
+# Acknowledge Work
 
-## Acknowledge Work
+**POST** `/v1/environments/{environment_id}/work/{work_id}/ack`
 
-**post** `/v1/environments/{environment_id}/work/{work_id}/ack`
-
 Note: these endpoints are called automatically by the pre-built environment worker provided in the SDKs and CLI, for orchestrating sessions with self-hosted sandbox environments. They are included here as a reference; you do not need to invoke them directly.
 
 Acknowledge receipt of a work item, transitioning it from 'queued' to 'starting' and removing it from the queue.
 
-### Path Parameters
+## Path parameters
 
 - `environment_id: string`
 
 - `work_id: string`
 
-### Header Parameters
+## Headers
 
 - `"anthropic-beta": optional array of AnthropicBeta`

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     - `"mid-conversation-tool-changes-2026-07-01"`
 
-### Returns
+## Returns
 
-- `BetaSelfHostedWork object { id, acknowledged_at, created_at, 10 more }`
+- `BetaSelfHostedWork object`
 
   Work resource representing a unit of work in a self-hosted environment.

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       Type of work data
 
-      - `"session"`
-
   - `environment_id: string`
 
     Environment identifier this work belongs to (e.g., `env_...`)

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     The type of object (always 'work')
 
-    - `"work"`
+    default: work
 
-### Example
+## Example
 
-```http
+```bash
 curl https://api.anthropic.com/v1/environments/$ENVIRONMENT_ID/work/$WORK_ID/ack \
     -X POST \
     -H 'anthropic-version: 2023-06-01' \

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     -H "X-Api-Key: $ANTHROPIC_API_KEY"
 ```
 
-#### Response
+### Response (200)
 
 ```json
 {