Intercom sets 2 cookies on websites that load its scripts. Below is the full list with purpose, expiry, and whether each one needs GDPR / ePrivacy consent.
intercom-id-<app_id>FunctionalExpires: 9 monthsAnonymous Intercom visitor identifier used to maintain conversation history for non-logged-in users.
intercom-session-<app_id>FunctionalExpires: 1 weekIdentifies a logged-in Intercom user and grants access to Messenger and conversation history without re-authentication.
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