CLAUDE_CODE_ENABLE_TELEMETRY

Updated October 13, 2026 by Alex Sorokoletov

CLAUDE_CODE_ENABLE_TELEMETRY is a Claude Code environment variable: Enable telemetry collection. Present since v2.1.69 or earlier and still present in v2.1.294. It is listed in the official reference.

Status	Present in v2.1.294
Added	Present since v2.1.69 or earlier
Category	Telemetry
Official docs	Listed

How to set it

For one session, export it in the shell that starts Claude Code:

export CLAUDE_CODE_ENABLE_TELEMETRY=<value>
claude

To apply it to every session, add it to the env object of a settings file:

// ~/.claude/settings.json
{
  "env": {
    "CLAUDE_CODE_ENABLE_TELEMETRY": "<value>"
  }
}

Related variables

ENABLE_ENHANCED_TELEMETRY_BETA: Enable enhanced telemetry (beta).
CLAUDE_CODE_BYOC_ENABLE_DATADOG: Opt-in Datadog telemetry for BYOC (Bring Your Own Cloud) Bedrock/Vertex deployments.
CLAUDE_CODE_ENABLE_FEEDBACK_SURVEY_FOR_OTEL: Re-enables the session quality survey for enterprise deployments with OTEL enabled.
CLAUDE_CODE_ENHANCED_TELEMETRY_BETA: Enable enhanced telemetry (beta).
CLAUDE_CODE_GB_DISK_CACHE_WHEN_TELEMETRY_OFF: Opts GrowthBook (GB) flag data back into the on-disk cache under a telemetry-off profile, where feature-flag caching would otherwise be skipped.
DISABLE_TELEMETRY: All telemetry.
CLAUDE_CODE_DATADOG_FLUSH_INTERVAL_MS: Datadog metrics flush interval (ms).
CLAUDE_CODE_DISABLE_FEEDBACK_SURVEY: Survey prompts.

Frequently asked questions

What does CLAUDE_CODE_ENABLE_TELEMETRY do?

Enable telemetry collection

Which Claude Code version has CLAUDE_CODE_ENABLE_TELEMETRY?

Present since v2.1.69 or earlier and still present in v2.1.294.

How do I set CLAUDE_CODE_ENABLE_TELEMETRY?

Export it before starting Claude Code (export CLAUDE_CODE_ENABLE_TELEMETRY=value), or add it to the "env" object in ~/.claude/settings.json to apply it to every session.

All variables, searchable: Claude Code environment variables.