Delete a Message Batch changedapi/beta/messages/batches/delete
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1212Message Batches can only be deleted once they've finished processing. If you'd like to delete an in-progress batch, you must first cancel it.
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14Learn more about the Message Batches API in our [user guide](https://platform.claude.com/docs/en/build-with-claude/batch-processing)
14Learn more about the Message Batches API in our [user guide](https://platform.claude.com/docs/en/build-with-claude/batch-processing?sdk_languages=http)
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1616## Path parameters
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2626 The version of the Claude API you want to use.
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28 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning).
28 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
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3030- `"anthropic-beta": optional array of AnthropicBeta`
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