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Contact

Contact Grade Hunter

Grade Hunter is an online product with email support. Pick the route that matches your question so it reaches the right place.

  • Support, billing and data questions

    Email support@gradehunter.com with the card URL or your account email so the request can be traced.

    support@gradehunter.com

  • API and developer access

    The public read-only JSON API and its OpenAPI spec are documented on the developer page.

    Developer API

  • AI assistant access

    Connecting ChatGPT, Claude or another assistant to Grade Hunter data is documented here.

    AI access

  • Affiliates and partnerships

    Creator and affiliate applications are handled through the affiliate program page.

    Affiliate program

Reporting a wrong price or card report

Prices are pulled from public marketplace data, so a thin sold-listing sample can distort a card's graded level. If a report looks wrong, email the card URL and what you believe the correct level is. How each number is produced is documented in the methodology.