citations changedbuild-with-claude/citations
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## Availability ### API support #### [Messages API](https://platform.claude.com/docs/en/build-with-claude/working-with-messages) #### [Managed Agents](https://platform.claude.com/docs/en/managed-agents/overview) ### Data handling
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77 zdr:
88 eligibility: eligible
99 note: Excludes [Covered Models](https://platform.claude.com/docs/en/manage-claude/api-and-data-retention#model-specific-data-retention-requirements).
10 supportedModels:
11 - claude-fable-5-1
12 - claude-mythos-5-1
13 - claude-fable-5
14 - claude-mythos-5
15 - claude-mythos-preview
16 - claude-opus-5-5
17 - claude-opus-5
18 - claude-sonnet-5-5
19 - claude-sonnet-5
20 - claude-haiku-5-5
21 - claude-haiku-4-5-20251001
22 - claude-opus-4-8
23 - claude-opus-4-7
24 - claude-opus-4-6
25 - claude-sonnet-4-6
26 - claude-opus-4-5-20251101
27 - claude-sonnet-4-5-20250929
1028 supportedPlatforms:
1129 Claude API: ga
1230 Claude Platform on AWS: ga
1331 Amazon Bedrock: ga
32 Amazon Bedrock (InvokeModel): ga
1433 Claude Models on Google Cloud (Google managed): ga
1534 Microsoft Foundry: ga
1635---
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22832302 Upload documents once and reference them by `file_id` across multiple citation requests.
22842303 </Card>
22852304</CardGroup>
2305
2306## Availability
2307
2308Citations are available on every model and eligible for zero data retention and HIPAA readiness.
2309
2310### API support
2311
2312#### [Messages API](https://platform.claude.com/docs/en/build-with-claude/working-with-messages)
2313
2314* Availability: Available
2315
2316| Status | Cloud platforms |
2317| --------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
2318| Available | Claude API, [Claude Platform on AWS](https://platform.claude.com/docs/en/build-with-claude/claude-platform-on-aws), [Amazon Bedrock](https://platform.claude.com/docs/en/build-with-claude/claude-in-amazon-bedrock), [Amazon Bedrock (InvokeModel)](https://platform.claude.com/docs/en/build-with-claude/claude-on-amazon-bedrock-legacy), [Claude Models on Google Cloud (Google managed)](https://platform.claude.com/docs/en/build-with-claude/claude-models-on-google-cloud/google-managed), [Microsoft Foundry](https://platform.claude.com/docs/en/build-with-claude/claude-in-microsoft-foundry) |
2319
2320#### [Managed Agents](https://platform.claude.com/docs/en/managed-agents/overview)
2321
2322* Availability: Not available
2323
2324### Data handling
2325
2326[Data handling overview](https://platform.claude.com/docs/en/manage-claude/api-and-data-retention#feature-eligibility)
2327
2328| Item | Zero data retention | HIPAA |
2329| ------ | --------------------------------------------------------------------------------------------------------------------------------------------------------- | -------- |
2330| Status | Eligible (excludes [Covered Models](https://platform.claude.com/docs/en/manage-claude/api-and-data-retention#model-specific-data-retention-requirements)) | Eligible |
2331
2332Applicable endpoints:
2333
2334* `/v1/messages`
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