code-execution-tool changedagents-and-tools/tool-use/code-execution-tool
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278278To analyze your own data files (such as CSV, Excel, or images), upload them through the Files API and reference them in your request:
279279
280280<Note>
281 Using the Files API with code execution requires the Files API beta header: `"anthropic-beta": "files-api-2025-04-14"`
281 This workflow doesn't require a beta header: uploading and downloading files through the Files API and referencing them in `container_upload` blocks are all generally available. The examples on this page send `anthropic-beta: files-api-2025-04-14`, which the API accepts but doesn't require.
282282</Note>
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284284The Python environment can process various file types uploaded through the Files API, including:
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