Terms of Use

Last updated: March 10, 2026

Acceptance

By accessing fdoi.us, you agree to these terms. If you do not agree, please do not use the site.

The Service

fdoi.us is a gallery and catalog of First Day Cover (FDC) philatelic collectibles. The site allows users to browse, search, and — for registered users — contribute metadata such as tags, descriptions, and date/location information.

User Accounts

• You are responsible for maintaining the security of your account credentials.
• You agree not to share your account with others.
• We reserve the right to suspend or terminate accounts that violate these terms.

Content

• Cover images: Cover images displayed on this site are photographs of physical collectible items. Copyright of stamp designs belongs to the issuing postal authority.
• User contributions: By adding tags, descriptions, or other metadata, you grant fdoi.us a non-exclusive, perpetual license to display and use that content as part of the site.
• AI-generated content: Some descriptions and tags are generated by AI analysis. These are provided as-is and may contain inaccuracies.

Acceptable Use

You agree not to:

• Scrape or bulk-download content without permission.
• Submit false, misleading, or spam content.
• Attempt to gain unauthorized access to other users' accounts or site infrastructure.
• Use the API in ways that degrade service for other users.

Disclaimer

fdoi.us is provided "as is" without warranty of any kind. We make no guarantees about the accuracy of catalog numbers, dates, descriptions, or other metadata. This site is not affiliated with the United States Postal Service or any postal authority.

Limitation of Liability

fdoi.us and its operators shall not be liable for any indirect, incidental, or consequential damages arising from your use of the site.

Changes

We may update these terms from time to time. Continued use of the site after changes constitutes acceptance of the new terms.

Contact

Questions about these terms can be directed to the site administrator.