What is the expiration time for Notion API access tokens?

I’m building a Notion integration and need to understand the token lifecycle better. After going through the OAuth flow, I get an access token but I can’t find any documentation about when it expires. Does anyone know if these tokens have a specific validity period or do they stay active indefinitely? I want to make sure my app handles token refresh properly if needed. Also wondering if there are any scenarios where the token might become invalid even if it hasn’t expired yet. Any insights from developers who have worked with Notion’s API would be really helpful.

I’ve worked with several Notion integrations this past year - tokens don’t expire automatically, but users can break them pretty easily. Skip trying to predict when they’ll fail and focus on solid error handling instead. I wrap every API call in try-catch blocks that watch for auth errors. Hit a 401? Send users straight back through OAuth. Here’s something that caught me off guard: tokens break when users uninstall and reinstall integrations, even if they think they’re just tweaking permissions. Also, Notion’s rate limiting sometimes throws errors that look like auth problems, so make sure you can tell the difference between real token issues and temporary throttling.

Notion access tokens are valid indefinitely unless actively revoked. Common scenarios that invalidate tokens include users revoking access in their workspace settings, workspace owners removing the integration, or significant changes in permissions. From my experience with multiple Notion integrations, it’s generally not necessary to worry about proactive token refreshing. Instead, focus on handling 401 errors effectively—if one occurs, prompt the user to reauthorize through OAuth for a new token. Additionally, be mindful that tokens are tied to specific workspace permissions, so access issues may arise if the pages or databases are altered or deleted.

notion tokens don’t expire unless removed, but they can break if admins tweak integration settings. just handle auth errors by resorting to oauth again, its way easier than predicting when they might fail.

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