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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 20 Oct 2026 18:37 UTC.

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First seen 14 Aug 2026 this site's first read of the page
Recorded edits9to this page, all time

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6767 
6868The diagram below shows how Claude Code connects to external services during installation and normal operation. Solid lines indicate required connections, while dashed lines represent optional or user-initiated data flows.
6969 
70<img src="https://mintcdn.com/claude-code/YR4DRZyI3CdsXkiT/images/claude-code-data-flow.svg?fit=max&auto=format&n=YR4DRZyI3CdsXkiT&q=85&s=2846ea92cfc2297b8620c31c82b482ad" className="dark:hidden" alt="Diagram showing Claude Code's external connections: install/update connects to the distribution server, and user requests connect to Anthropic's Console auth and public-api, with optional telemetry flows carrying metrics and error reports to Anthropic and third-party services. Feedback sent with /feedback goes to Google Cloud Storage and optionally creates a GitHub issue" width="720" height="520" data-path="images/claude-code-data-flow.svg" />
70![Diagram showing Claude Code's external connections: install/update connects to the distribution server, and user requests connect to Anthropic's Console auth and public-api, with optional telemetry flows carrying metrics and error reports to Anthropic and third-party services. Feedback sent with /feedback goes to Google Cloud Storage and optionally creates a GitHub issue](https://mintcdn.com/claude-code/YR4DRZyI3CdsXkiT/images/claude-code-data-flow.svg?fit=max\&auto=format\&n=YR4DRZyI3CdsXkiT\&q=85\&s=2846ea92cfc2297b8620c31c82b482ad)
7171 
72<img src="https://mintcdn.com/claude-code/_xqph1dUOslCOwsj/images/claude-code-data-flow-dark.svg?fit=max&auto=format&n=_xqph1dUOslCOwsj&q=85&s=4fb6e8c88a9740845217bf2a2b040877" className="hidden dark:block" alt="Diagram showing Claude Code's external connections: install/update connects to the distribution server, and user requests connect to Anthropic's Console auth and public-api, with optional telemetry flows carrying metrics and error reports to Anthropic and third-party services. Feedback sent with /feedback goes to Google Cloud Storage and optionally creates a GitHub issue" width="720" height="520" data-path="images/claude-code-data-flow-dark.svg" />
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7472Claude Code runs locally. To interact with the LLM, Claude Code sends data over the network. This data includes all user prompts and model outputs, encrypted in transit via TLS 1.2+. Claude Code is compatible with most popular VPNs and LLM proxies.
7573 
7674Encryption at rest depends on your model provider:
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121119| Service | Claude API | Google Cloud's Agent Platform API | Amazon Bedrock API | Microsoft Foundry API | Claude Platform on AWS |
122120| - | - | - | - | - | - |
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| **Metrics** | Default on. `DISABLE_TELEMETRY=1` to disable. | Default off. `CLAUDE_CODE_USE_VERTEX` must be 1. | Default off. `CLAUDE_CODE_USE_BEDROCK` must be 1. | Default off. `CLAUDE_CODE_USE_FOUNDRY` must be 1. | Default off. `CLAUDE_CODE_USE_ANTHROPIC_AWS` must be 1. |
122| **Error reports** | On for Pro and Max sign-ins on v2.1.198+, otherwise off. `DISABLE_ERROR_REPORTING=1` to disable. | Default off. `CLAUDE_CODE_USE_VERTEX` must be 1. | Default off. `CLAUDE_CODE_USE_BEDROCK` must be 1. | Default off. `CLAUDE_CODE_USE_FOUNDRY` must be 1. | Default off. `CLAUDE_CODE_USE_ANTHROPIC_AWS` must be 1. |
123| **Claude API (`/feedback` reports)** | Default on. `DISABLE_FEEDBACK_COMMAND=1` to disable. | Default off. `CLAUDE_CODE_USE_VERTEX` must be 1. | Default off. `CLAUDE_CODE_USE_BEDROCK` must be 1. | Default off. `CLAUDE_CODE_USE_FOUNDRY` must be 1. | Default off. `CLAUDE_CODE_USE_ANTHROPIC_AWS` must be 1. |
124| **Session quality surveys** | Default on. `CLAUDE_CODE_DISABLE_FEEDBACK_SURVEY=1` to disable. | Default on. `CLAUDE_CODE_DISABLE_FEEDBACK_SURVEY=1` to disable. | Default on. `CLAUDE_CODE_DISABLE_FEEDBACK_SURVEY=1` to disable. | Default on. `CLAUDE_CODE_DISABLE_FEEDBACK_SURVEY=1` to disable. | Default on. `CLAUDE_CODE_DISABLE_FEEDBACK_SURVEY=1` to disable. |
125| **WebFetch domain safety check** | Default on. `skipWebFetchPreflight: true` in [settings](/docs/en/settings) to disable. | Default on. `skipWebFetchPreflight: true` in [settings](/docs/en/settings) to disable. | Default on. `skipWebFetchPreflight: true` in [settings](/docs/en/settings) to disable. | Default on. `skipWebFetchPreflight: true` in [settings](/docs/en/settings) to disable. | Default on. `skipWebFetchPreflight: true` in [settings](/docs/en/settings) to disable. |
128126 
129127All environment variables can be checked into `settings.json` (see [settings reference](/docs/en/settings-reference)).
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