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Sweep 27 Oct 2026 · 19:04Z Build v2.1.312 531 read Stable v2.1.308 Latest v2.1.312 Next v2.1.312 Feeds RSS JSON llms.txt llms-full.txt Unofficial
One change · api

structured-outputs changedbuild-with-claude/structured-outputs

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331331 <Note>
332 Passing a struct as the schema is in beta in Go, so this example uses `client.Beta.Messages.New`. To use the GA `client.Messages.New`, pass a JSON schema as shown in [Using a raw JSON schema](https://platform.claude.com/docs/en/build-with-claude/structured-outputs#using-a-raw-json-schema).
332 Passing a struct as the schema is in beta in Go, so this example uses `client.Beta.Messages.New`. To use the stable `client.Messages.New`, pass a JSON schema as shown in [Using a raw JSON schema](https://platform.claude.com/docs/en/build-with-claude/structured-outputs#using-a-raw-json-schema).
333333 </Note>
334334 
335335 The SDK generates and transforms the JSON schema from the struct and unmarshals the response into it.
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