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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

get-started changedget-started

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First seen 14 Aug 2026 this site's first read of the page
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4242 }'
4343 ```
4444 
45 Claude returns a JSON response containing the assistant's message:
45 Claude returns a JSON response containing the assistant’s message:
4646 
4747 ```json Output
4848 {
from line 471
471471 </Step>
472472 
473473 <Step title="Create your code">
474 Save this as `QuickStart.java` in your project's Java source directory (usually `src/main/java/`):
474 Save this as `QuickStart.java` in your project’s Java source directory (usually `src/main/java/`):
475475 
476476 ```java Java
477477 import com.anthropic.client.okhttp.AnthropicOkHttpClient;
from line 651
651651 
652652## Next steps
653653 
654You made your first API call. Next, learn the Messages API patterns you'll use in every Claude integration.
654You made your first API call. Next, learn the Messages API patterns you’ll use in every Claude integration.
655655 
656656<Card title="Working with the Messages API" icon="messages" href="https://platform.claude.com/docs/en/build-with-claude/working-with-messages">
657657 Learn multi-turn conversations, system prompts, stop reasons, and other core patterns.
658658</Card>
659659 
660Once you're comfortable with the basics, explore further:
660Once you’re comfortable with the basics, explore further:
661661 
662662<CardGroup cols={2}>
663663 <Card title="Models overview" icon="brain" href="https://platform.claude.com/docs/en/models/overview">
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