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Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial
HomeDocsClaude Developer Platform 14 Oct 2026
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api-and-data-retention changedmanage-claude/api-and-data-retention

Nearest release: v2.1.300, published 3 hours before this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

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First seen 14 Aug 2026 this site's first read of the page
Recorded edits23to this page, all time

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191191| [Memory tool](https://platform.claude.com/docs/en/agents-and-tools/tool-use/memory-tool) | `/v1/messages`<br />with `memory` tool | <Eligible>Yes</Eligible> | <Eligible>Yes</Eligible> | Client-side memory storage where you control data retention. |
192192| [Messages API](https://platform.claude.com/docs/en/build-with-claude/working-with-messages) | `/v1/messages` | <Eligible>Yes</Eligible> | <Eligible>Yes</Eligible> | Standard API calls for generating Claude responses. |
193193| [Mid-conversation system messages](https://platform.claude.com/docs/en/build-with-claude/mid-conversation-system-messages) | `/v1/messages`<br />with `role: "system"` messages | <Eligible>Yes</Eligible> | <Eligible>Yes</Eligible> | Request-shape capability of the Messages API; mid-conversation system messages flow through the standard inference path and nothing is stored server-side after the response. |
194| [OpenTelemetry export](https://platform.claude.com/docs/en/manage-claude/opentelemetry) | `/v1/organizations/telemetry_destinations` | <Eligible>Yes</Eligible> | <Eligible status="no">No</Eligible> | Beta. Spans have the same ZDR eligibility as the feature that produces them. HIPAA organizations can export metadata. SDK spans go directly from your environment to your exporter. After delivery, the data is held by the service that you chose, outside Anthropic, under that service's retention and access controls. |
194195| [PDF support](https://platform.claude.com/docs/en/build-with-claude/pdf-support) | `/v1/messages` | <Eligible>Yes</Eligible> | <Eligible>Yes</Eligible> | HIPAA eligibility applies to PDFs sent inline through the Messages API, not through the Files API. |
195196| [Programmatic tool calling](https://platform.claude.com/docs/en/agents-and-tools/tool-use/programmatic-tool-calling) | `/v1/messages`<br />with `code_execution` tool | <Eligible status="no">No</Eligible> | <Eligible status="no">No</Eligible> | Built on code execution containers; data retained up to 30 days. See [Programmatic tool calling](https://platform.claude.com/docs/en/agents-and-tools/tool-use/programmatic-tool-calling#data-retention). |
196197| [Prompt caching](https://platform.claude.com/docs/en/build-with-claude/prompt-caching) | `/v1/messages` | <Eligible>Yes</Eligible> | <Eligible>Yes</Eligible> | Your prompts and Claude's outputs are not stored. KV cache representations and cryptographic hashes are held in memory for the cache TTL and promptly deleted after expiry. See [Prompt caching](https://platform.claude.com/docs/en/build-with-claude/prompt-caching#data-retention). |
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