Privacy Policy

Last Updated: January 22, 2025

XFastr is an AI reply generator for X (Twitter). We only generate reply suggestions — we never access your profile stats, followers, DMs, or post on your behalf. This policy explains what minimal data we collect.

What We Collect

  • Your X username — to personalize replies
  • Tweet IDs — to fetch tweet content and generate context-aware replies
  • Usage data — number of replies generated and API costs (for billing)
  • Authentication token — stored locally to keep you logged in
  • Preferences — AI on/off toggle and tone settings

What We Don't Collect

  • ×Your X password
  • ×Your direct messages
  • ×Profile stats, followers, or following lists
  • ×Tweets you compose but don't post
  • ×Browsing activity outside X.com

How We Use Your Data

  • Generate AI reply suggestions via OpenRouter
  • Maintain your authenticated session
  • Track usage for subscription management
  • Improve service performance

What XFastr Cannot Do

  • ×Post, like, retweet, or follow on your behalf
  • ×Access your profile analytics or stats
  • ×Read your DMs or private data
  • ×Modify your X account in any way

XFastr only suggests replies. You always decide what gets posted.

Third-Party Services

  • OpenRouter — tweet content sent to generate replies (subject to their privacy policy)
  • Twitter/X API — to fetch public tweet content
  • Convex — our database provider for user accounts

We do not sell your data.

Data Security

  • All data transmitted via HTTPS encryption
  • Authentication tokens expire after 24 hours
  • Tokens stored securely in browser extension storage
  • No sensitive information sent to our servers

Your Rights

  • Disable the extension anytime using the toggle button
  • Delete local data by clearing browser storage or uninstalling
  • Contact us to request data deletion

Contact

For questions or data deletion requests:

xfastr7@gmail.com

By using XFastr, you agree to this policy.