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Sweep 06 Nov 2026 · 01:32Z Build v2.1.319 537 read Stable v2.1.311 Latest v2.1.319 Next v2.1.319 Feeds RSS JSON llms.txt llms-full.txt Unofficial
HomeDocsClaude Developer Platform 30 Oct 2026
One change · api

Retrieve Message Batch results changedapi/beta/messages/batches/results

Nearest release: v2.1.315, published under an hour before this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

Recorded here
Lines+12added
Lines−2removed
From line 141 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits29to this page, all time

The whole hunk

from line 141, old and new numbered
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lines
from line 141
141141 
142142 - `"analytics-usage-cost-2026-08-24"`
143143 
144 - `"experimental-claude-tag-2026-10-21"`
145 
144146- `"anthropic-workspace-id": optional string`
145147 
146148 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
from line 790
788790 
789791 - `BetaEncryptedCodeExecutionResultBlock object`
790792 
791 Code execution result with encrypted stdout for PFC + web_search results.
793 The output and exit code of Python code that Claude ran with the code execution tool, with standard output in encrypted form.
792794 
795 The API returns this block in place of `code_execution_result` when the code called the web search tool.
796 
797 See the [programmatic tool calling guide](https://platform.claude.com/docs/en/agents-and-tools/tool-use/programmatic-tool-calling?sdk_languages=http) to learn more about programmatic tool calling.
798 
793799 - `type: "encrypted_code_execution_result"`
794800 
795801 default: encrypted_code_execution_result
from line 1356
13501356 
13511357 - `BetaCodeExecutionTool20260120 object`
13521358 
1353 Code execution tool with REPL state persistence (daemon mode + gVisor checkpoint).
1359 A `tools` entry for the code execution tool, version `code_execution_20260120`. It adds REPL state persistence to version `code_execution_20250825`.
1360 
1361 REPL state persistence applies with programmatic tool calling. With it, the Python interpreter state, such as variable bindings, persists across requests that reuse the container.
1362 
1363 See the [code execution tool guide](https://platform.claude.com/docs/en/agents-and-tools/tool-use/code-execution-tool?sdk_languages=http#tool-versions) to learn what each tool version adds.
13541364 
13551365 - `type: "code_execution_20260120"`
13561366 
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