typescript changedcli-sdks-libraries/sdks/typescript
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478478 Consider using the streaming [Messages API](https://platform.claude.com/docs/en/cli-sdks-libraries/sdks/typescript#streaming-responses) for longer running requests.
479479</Warning>
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481Avoid setting a large `max_tokens` value without using streaming. Some networks may drop idle connections after a certain period of time, which can cause the request to fail or [timeout](https://platform.claude.com/docs/en/cli-sdks-libraries/sdks/typescript#timeouts) without receiving a response from Anthropic.
481Avoid setting a large `max_tokens` value without using streaming. Some networks may drop idle connections after a certain period of time, which can cause the request to fail or [time out](https://platform.claude.com/docs/en/cli-sdks-libraries/sdks/typescript#timeouts) without receiving a response from Anthropic.
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483483This SDK also throws an error if a non-streaming request is expected to be above roughly 10 minutes long. Passing `stream: true` or [overriding](https://platform.claude.com/docs/en/cli-sdks-libraries/sdks/typescript#timeouts) the `timeout` option at the client or request level disables this error.
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727727## Beta features
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729Beta features are available before general release to get early feedback and test new functionality. You can check the availability of all of Claude's capabilities and tools in the [build with Claude overview](https://platform.claude.com/docs/en/build-with-claude/overview).
729Beta features are available before general release to get early feedback and test new functionality. You can check the availability of all of Claude's capabilities and tools in the [Features overview](https://platform.claude.com/docs/en/build-with-claude/overview).
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731You can access most beta API features through the beta property of the client. To enable a particular beta feature, you need to add the appropriate [beta header](https://platform.claude.com/docs/en/api/beta-headers) to the `betas` field when creating a message.
731You can access most beta API features through the `beta` property of the client. To enable a particular beta feature, you need to add the appropriate [beta header](https://platform.claude.com/docs/en/api/beta-headers) to the `betas` field when creating a message.
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733733For example, to enable [context editing](https://platform.claude.com/docs/en/build-with-claude/context-editing):
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