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HomeDocsClaude Code CLI 28 Sep 2026
One change · claude-code

Data usage changeddata-usage

Nearest release: v2.1.284, published 17 hours after upstream edited the page. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

Upstream edited this page at 28 Sep 2026 00:07 UTC, give or take a minute or two: the time comes from Anthropic’s own sitemap rather than from a commit. This site recorded the change at 28 Sep 2026 23:37 UTC.

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First seen 14 Aug 2026 this site's first read of the page
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7575 
7676Encryption at rest depends on your model provider:
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78| Provider | Encryption at rest |
79| ----------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
80| Anthropic API | Infrastructure-level disk encryption (AES-256). Enable [Zero Data Retention](/docs/en/zero-data-retention) for no server-side persistence. |
81| Amazon Bedrock | AES-256 with AWS-managed keys. Customer-managed keys available via AWS KMS. |
82| Google Cloud's Agent Platform | Google-managed encryption keys. CMEK available. |
83| Microsoft Foundry | Depends on the deployment's [hosting option](https://platform.claude.com/docs/en/build-with-claude/claude-in-microsoft-foundry#hosting-options). For Hosted on Azure deployments, prompts and completions remain within Azure; only usage metadata and content flagged by Anthropic's safety systems egress to Anthropic. For Hosted on Anthropic deployments, requests route to Anthropic infrastructure with AES-256 disk encryption. |
78| Provider | Encryption at rest |
79| - | - |
80| Anthropic API | Infrastructure-level disk encryption (AES-256). Enable [Zero Data Retention](/docs/en/zero-data-retention) for no server-side persistence. |
81| Amazon Bedrock | AES-256 with AWS-managed keys. Customer-managed keys available via AWS KMS. |
82| Google Cloud's Agent Platform | Google-managed encryption keys. CMEK available. |
83| Microsoft Foundry | Depends on the deployment's [hosting option](https://platform.claude.com/docs/en/build-with-claude/claude-in-microsoft-foundry#hosting-options). For Hosted on Azure deployments, prompts and completions remain within Azure; only usage metadata and content flagged by Anthropic's safety systems egress to Anthropic. For Hosted on Anthropic deployments, requests route to Anthropic infrastructure with AES-256 disk encryption. |
8484 
8585Claude Code is built on Anthropic's APIs. For details on API security controls, including API logging procedures, see the compliance artifacts in the [Anthropic Trust Center](https://trust.anthropic.com).
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118118 
119119By default, error reporting, telemetry, and bug reporting are disabled when using Amazon Bedrock, Google Cloud's Agent Platform, Microsoft Foundry, or Claude Platform on AWS. Session quality surveys and the WebFetch domain safety check are exceptions and run regardless of provider. On a signed-in [Claude apps gateway](/docs/en/claude-apps-gateway) session, usage analytics, error reporting, and survey ratings to Anthropic are disabled by the gateway credential itself, with no setting to re-enable them. You can opt out of all non-essential traffic, including surveys, at once by setting `CLAUDE_CODE_DISABLE_NONESSENTIAL_TRAFFIC`. This variable doesn't affect the WebFetch check or official plugin marketplace auto-install; each has its own opt-out: `skipWebFetchPreflight` in [settings](/docs/en/settings) for WebFetch, and `CLAUDE_CODE_DISABLE_OFFICIAL_MARKETPLACE_AUTOINSTALL` for the marketplace. Here are the full default behaviors:
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121| Service | Claude API | Google Cloud's Agent Platform API | Amazon Bedrock API | Microsoft Foundry API | Claude Platform on AWS |
122| ------------------------------------ | ----------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------- |
123| **Metrics** | Default on.<br />`DISABLE_TELEMETRY=1` to disable. | Default off.<br />`CLAUDE_CODE_USE_VERTEX` must be 1. | Default off.<br />`CLAUDE_CODE_USE_BEDROCK` must be 1. | Default off.<br />`CLAUDE_CODE_USE_FOUNDRY` must be 1. | Default off.<br />`CLAUDE_CODE_USE_ANTHROPIC_AWS` must be 1. |
124| **Error reports** | On for Pro and Max sign-ins on v2.1.198+, otherwise off.<br />`DISABLE_ERROR_REPORTING=1` to disable. | Default off.<br />`CLAUDE_CODE_USE_VERTEX` must be 1. | Default off.<br />`CLAUDE_CODE_USE_BEDROCK` must be 1. | Default off.<br />`CLAUDE_CODE_USE_FOUNDRY` must be 1. | Default off.<br />`CLAUDE_CODE_USE_ANTHROPIC_AWS` must be 1. |
125| **Claude API (`/feedback` reports)** | Default on.<br />`DISABLE_FEEDBACK_COMMAND=1` to disable. | Default off.<br />`CLAUDE_CODE_USE_VERTEX` must be 1. | Default off.<br />`CLAUDE_CODE_USE_BEDROCK` must be 1. | Default off.<br />`CLAUDE_CODE_USE_FOUNDRY` must be 1. | Default off.<br />`CLAUDE_CODE_USE_ANTHROPIC_AWS` must be 1. |
126| **Session quality surveys** | Default on.<br />`CLAUDE_CODE_DISABLE_FEEDBACK_SURVEY=1` to disable. | Default on.<br />`CLAUDE_CODE_DISABLE_FEEDBACK_SURVEY=1` to disable. | Default on.<br />`CLAUDE_CODE_DISABLE_FEEDBACK_SURVEY=1` to disable. | Default on.<br />`CLAUDE_CODE_DISABLE_FEEDBACK_SURVEY=1` to disable. | Default on.<br />`CLAUDE_CODE_DISABLE_FEEDBACK_SURVEY=1` to disable. |
127| **WebFetch domain safety check** | Default on.<br />`skipWebFetchPreflight: true` in [settings](/docs/en/settings) to disable. | Default on.<br />`skipWebFetchPreflight: true` in [settings](/docs/en/settings) to disable. | Default on.<br />`skipWebFetchPreflight: true` in [settings](/docs/en/settings) to disable. | Default on.<br />`skipWebFetchPreflight: true` in [settings](/docs/en/settings) to disable. | Default on.<br />`skipWebFetchPreflight: true` in [settings](/docs/en/settings) to disable. |
121| Service | Claude API | Google Cloud's Agent Platform API | Amazon Bedrock API | Microsoft Foundry API | Claude Platform on AWS |
122| - | - | - | - | - | - |
123| **Metrics** | Default on.<br />`DISABLE_TELEMETRY=1` to disable. | Default off.<br />`CLAUDE_CODE_USE_VERTEX` must be 1. | Default off.<br />`CLAUDE_CODE_USE_BEDROCK` must be 1. | Default off.<br />`CLAUDE_CODE_USE_FOUNDRY` must be 1. | Default off.<br />`CLAUDE_CODE_USE_ANTHROPIC_AWS` must be 1. |
124| **Error reports** | On for Pro and Max sign-ins on v2.1.198+, otherwise off.<br />`DISABLE_ERROR_REPORTING=1` to disable. | Default off.<br />`CLAUDE_CODE_USE_VERTEX` must be 1. | Default off.<br />`CLAUDE_CODE_USE_BEDROCK` must be 1. | Default off.<br />`CLAUDE_CODE_USE_FOUNDRY` must be 1. | Default off.<br />`CLAUDE_CODE_USE_ANTHROPIC_AWS` must be 1. |
125| **Claude API (`/feedback` reports)** | Default on.<br />`DISABLE_FEEDBACK_COMMAND=1` to disable. | Default off.<br />`CLAUDE_CODE_USE_VERTEX` must be 1. | Default off.<br />`CLAUDE_CODE_USE_BEDROCK` must be 1. | Default off.<br />`CLAUDE_CODE_USE_FOUNDRY` must be 1. | Default off.<br />`CLAUDE_CODE_USE_ANTHROPIC_AWS` must be 1. |
126| **Session quality surveys** | Default on.<br />`CLAUDE_CODE_DISABLE_FEEDBACK_SURVEY=1` to disable. | Default on.<br />`CLAUDE_CODE_DISABLE_FEEDBACK_SURVEY=1` to disable. | Default on.<br />`CLAUDE_CODE_DISABLE_FEEDBACK_SURVEY=1` to disable. | Default on.<br />`CLAUDE_CODE_DISABLE_FEEDBACK_SURVEY=1` to disable. | Default on.<br />`CLAUDE_CODE_DISABLE_FEEDBACK_SURVEY=1` to disable. |
127| **WebFetch domain safety check** | Default on.<br />`skipWebFetchPreflight: true` in [settings](/docs/en/settings) to disable. | Default on.<br />`skipWebFetchPreflight: true` in [settings](/docs/en/settings) to disable. | Default on.<br />`skipWebFetchPreflight: true` in [settings](/docs/en/settings) to disable. | Default on.<br />`skipWebFetchPreflight: true` in [settings](/docs/en/settings) to disable. | Default on.<br />`skipWebFetchPreflight: true` in [settings](/docs/en/settings) to disable. |
128128 
129129All environment variables can be checked into `settings.json` (see [settings reference](/docs/en/settings-reference)).
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