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HomeDocsClaude Developer Platform 24 Aug 2026
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content-moderation changedabout-claude/use-case-guides/content-moderation

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2737In this example, the `batch_moderate_messages` function handles the moderation of an entire batch of messages with a single Claude API call. Inside the function, a prompt is created that includes the list of messages to evaluate and the unsafe content categories. The prompt directs Claude to return a JSON object listing all messages that contain violations. Each message in the response is identified by its `id`, which corresponds to the message's position in the batch. Keep in mind that finding the optimal batch size for your specific needs may require some experimentation. While larger batch sizes can lower costs, they might also lead to a slight decrease in quality. Additionally, you may need to increase the `max_tokens` parameter in the Claude API call to accommodate longer responses. For details on the maximum number of tokens your chosen model can output, refer to the [model comparison table](https://platform.claude.com/docs/en/about-claude/models/overview#latest-models-comparison).
2737In this example, the `batch_moderate_messages` function handles the moderation of an entire batch of messages with a single Claude API call. Inside the function, a prompt is created that includes the list of messages to evaluate and the unsafe content categories. The prompt directs Claude to return a JSON object listing all messages that contain violations. Each message in the response is identified by its `id`, which corresponds to the message's position in the batch. Keep in mind that finding the optimal batch size for your specific needs may require some experimentation. While larger batch sizes can lower costs, they might also lead to a slight decrease in quality. Additionally, you may need to increase the `max_tokens` parameter in the Claude API call to accommodate longer responses. For details on the maximum number of tokens your chosen model can output, refer to the [model comparison table](https://platform.claude.com/docs/en/models/overview#latest-models-comparison).
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27392739<CardGroup cols={2}>
27402740 <Card title="Content moderation cookbook" icon="link" href="https://platform.claude.com/cookbook/misc-building-moderation-filter">
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