Education // Collector guides

Our sources

Every guide on CardzFolio is written from the references below. Official sources come first; community and market sites are used as supporting evidence only and are labelled as such.

Official

• Play! Pokémon — Rules & Resources

  Tournament rules, formats and banned cards.

  Link answered on 2026-10-17.

• Pokémon Card Database (pokemon.com)

  The official card search.

  Link answered on 2026-10-17.

• Pokémon Card Game (Japan, official)

  Official Japanese site, the source for Japanese releases.

  Link answered on 2026-10-17.

• Pokémon Card Game Asia — Rules

  Official Asia site: play guide, formats and the Advanced Player's Rulebook.

  Link answered on 2026-10-17.

• Pokémon Support

  Official support and customer help.

  This site blocks automated checks; the link has not been verified by us.

• Pokémon TCG — Rules (pokemon.com)

  Official rules page and the link to the current rulebook PDF.

  Link answered on 2026-10-17.

• Pokémon TCG (pokemon.com)

  Official home of the trading card game.

  Link answered on 2026-10-17.

• Pokémon TCG Rules — official web rulebook (last updated September 2026)

  The official Pokémon Company rulebook PDF. Our "how to play" guides were checked against this edition; pokemon.com blocks automated reads, so it was downloaded and read by hand.

  Link answered on 2026-10-17.

Data

• Pokémon TCG API

  Developer API documentation for card data.

  Link answered on 2026-10-17.

• TCGdex

  Open multi-language card data API; the source of our card data and many images.

  Link answered on 2026-10-17.

Grading

• Beckett

  Grading company and price guides.

  This site blocks automated checks; the link has not been verified by us.

• CGC Cards

  Grading company for trading cards.

  Link answered on 2026-10-17.

• PSA

  Grading company; grading standards and population reports.

  This site blocks automated checks; the link has not been verified by us.

Reference

• Bulbapedia

  Community encyclopedia with set and card histories.

  This site blocks automated checks; the link has not been verified by us.

• Limitless TCG

  Card database, tournament results and deck data.

  Link answered on 2026-10-17.

• PkmnCards

  Searchable card database with card text and images.

  Link answered on 2026-10-17.

• Pokégym Compendium

  Community rulings and rules clarifications.

  This site blocks automated checks; the link has not been verified by us.

• Pokellector

  Set browser and collection checklists.

  Link answered on 2026-10-17.

• Serebii — TCG

  Long-running fan reference with set card lists.

  Link answered on 2026-10-17.

• TCG Collector

  Card database and collection tracker covering many regions.

  This site blocks automated checks; the link has not been verified by us.

• PokéBeach

  News site on upcoming sets and releases.

  This site blocks automated checks; the link has not been verified by us.

Market

• Cardmarket

  European marketplace with price trends.

  This site blocks automated checks; the link has not been verified by us.

• eBay (sold listings)

  Completed sales as evidence of what cards actually sell for.

  This site blocks automated checks; the link has not been verified by us.

• PriceCharting

  Price history from recorded sales.

  This site blocks automated checks; the link has not been verified by us.

• TCGplayer

  US marketplace with market prices.

  Link answered on 2026-10-17.