CoinData.ca Canadian Coin Reference Database

CoinData.ca Privacy Policy

Effective date: August 26, 2026

CoinData.ca is an independent Canadian coin reference and research website operated as a hobbyist passion project for collectors. This Privacy Policy explains how CoinData.ca handles information associated with use of the website and its application programming interface (API) integrations.

1. Information CoinData.ca May Process

CoinData.ca is designed to collect as little personal information as reasonably necessary. Depending on how the website is used, information processed may include:

  • basic technical information normally transmitted when a website is visited, such as IP address, browser type, device information, referring page and access time;
  • website usage and analytics information;
  • information voluntarily submitted through a CoinData.ca contact method; and
  • information supplied by authorized third-party APIs when required for CoinData.ca research and database functions.

2. Website Analytics

CoinData.ca may use website analytics services, including Google Analytics, to understand general website traffic, page usage and technical performance. Analytics providers may use cookies or similar technologies and may receive technical information such as browser, device and approximate location information.

CoinData.ca uses analytics information to understand and improve the website and does not use it to build individual collector profiles.

3. eBay API Integration

CoinData.ca uses eBay developer APIs to assist with numismatic research, including locating and reviewing Canadian coin listings and sales-related information.

Information obtained through the eBay APIs may include information associated with an eBay listing, such as item title, item number, price, sale or listing status, item description, condition, photographs, seller username, item specifics, listing dates and other information made available through the applicable eBay API.

CoinData.ca uses this information only as reasonably necessary for Canadian coin research, identification, attribution, sales-data review and maintenance of the CoinData.ca numismatic reference database.

Important: CoinData.ca does not collect or store eBay account passwords. Authentication with eBay occurs through eBay's authorization services. Any eBay access or refresh tokens used by CoinData.ca are treated as confidential credentials and are stored outside the public website directory.

4. eBay Account Authorization

At present, the CoinData.ca eBay integration is an administrative research tool operated by the CoinData.ca site administrator. It is not offered as a service for members of the public to connect their personal eBay accounts.

If the eBay integration is expanded in the future to permit other users to authorize their eBay accounts, this Privacy Policy will be updated as appropriate before that functionality is offered.

5. eBay Account Deletion and Revocation

CoinData.ca maintains the technical process required to receive applicable eBay marketplace account deletion or account-closure notifications. When CoinData.ca receives a valid notification requiring deletion or other handling of eBay account information, the associated information will be handled in accordance with applicable eBay developer requirements and applicable law.

An eBay user may also revoke authorization granted to an application through the account controls provided by eBay.

6. How Information Is Used

Information processed by CoinData.ca may be used to:

  • operate, secure and troubleshoot the website;
  • improve website functionality and usability;
  • respond to communications sent to CoinData.ca;
  • conduct Canadian numismatic research and maintain reference information;
  • review, verify and document coin-sale information; and
  • comply with applicable legal, security and third-party API requirements.

7. Sharing of Information

CoinData.ca does not sell personal information.

Information may be processed by service providers necessary to operate the website, such as web-hosting and analytics providers, or disclosed where required by law. Information obtained from third-party services such as eBay is handled subject to the applicable service terms, privacy requirements and API policies.

8. Data Retention and Security

CoinData.ca retains information only for as long as reasonably necessary for the purpose for which it was collected, for legitimate numismatic research and record keeping, or as required by applicable law or API obligations.

Reasonable administrative and technical safeguards are used to protect private configuration information and API credentials. Sensitive application credentials are not intentionally stored in publicly accessible website files.

9. External Websites

CoinData.ca may contain links to external websites, including eBay and other numismatic resources. CoinData.ca does not control the privacy practices of those websites. Visitors should consult the privacy policies of the applicable external service.

10. Children's Privacy

CoinData.ca is a general numismatic reference website and is not designed to collect personal information from children. CoinData.ca does not knowingly solicit personal information from children.

11. Privacy Requests and Contact

Questions about this Privacy Policy, requests concerning information associated with CoinData.ca, or other privacy-related inquiries may be submitted through the CoinData.ca contact page.

12. Changes to This Policy

CoinData.ca may update this Privacy Policy as the website, applicable law, or third-party API requirements change. The effective date displayed at the top of this page will be updated when material revisions are made.

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