Create a Text Completion changedapi/completions/create
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1212[Legacy] Create a Text Completion.
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14The Text Completions API is a legacy API. We recommend using the [Messages API](https://platform.claude.com/docs/en/api/messages) going forward.
14The Text Completions API is a legacy API. We recommend using the [Messages API](https://platform.claude.com/docs/en/api/messages?sdk_languages=http) going forward.
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16Future models and features will not be compatible with Text Completions. See our [migration guide](https://platform.claude.com/docs/en/build-with-claude/working-with-messages) for guidance in migrating from Text Completions to Messages.
16Future models and features will not be compatible with Text Completions. See our [migration guide](https://platform.claude.com/docs/en/build-with-claude/working-with-messages?sdk_languages=http) for guidance in migrating from Text Completions to Messages.
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1818## Headers
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2222 The version of the Claude API you want to use.
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24 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning).
24 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
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2626- `"anthropic-workspace-id": optional string`
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255255 Assistant:"
256256 ```
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258 See [prompt validation](https://platform.claude.com/docs/en/build-with-claude/working-with-messages) and our guide to [prompt design](https://platform.claude.com/docs/en/build-with-claude/prompt-engineering/overview) for more details.
258 See [prompt validation](https://platform.claude.com/docs/en/build-with-claude/working-with-messages?sdk_languages=http) and our guide to [prompt design](https://platform.claude.com/docs/en/build-with-claude/prompt-engineering/overview?sdk_languages=http) for more details.
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260260 minLength: 1
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284284 Whether to incrementally stream the response using server-sent events.
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286 See [streaming](https://platform.claude.com/docs/en/build-with-claude/streaming) for details.
286 See [streaming](https://platform.claude.com/docs/en/build-with-claude/streaming?sdk_languages=http) for details.
287287
288288- `temperature: optional number`
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