{"version":"2.1.229","anchor":"attribution-header-can-override-the-environment-opt-out","canonical_anchor":"attribution-header-can-override-the-environment-opt-out","heading":"Attribution header can override the environment opt-out","tier":"internal","area":"Telemetry","scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.229\/e\/attribution-header-can-override-the-environment-opt-out","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.229","markdown":"### Attribution header can override the environment opt-out\n\nOne first-party request path sends the attribution header even if you opted out via env var.\n\n**What**\n\nThe builder for the attribution header now takes an options argument, and one specific first-party, non-unix-socket path passes `ignoreEnvOptOut`, which makes the header be sent even when `CLAUDE_CODE_ATTRIBUTION_HEADER` is set to opt out.\n\n**Evidence**\n\n`ignoreEnvOptOut`\n\n- Area: Telemetry\n- Names: `CLAUDE_CODE_ATTRIBUTION_HEADER`\n- Tier: Under the hood\n- Useful: 3\/5\n- Signal: 4\/5"}