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Legal

Data sources & credits

Last updated September 29, 2026

Where prices come from

  • Market prices come from Scrydex and JustTCG and update daily.
  • Graded prices are for slabs, by grading company and grade.
  • Card details and pictures come from free card catalogs.
  • Prices are estimates, not offers. You always set your own price.
On this page
  1. 1. Data sources
  2. 2. Games
  3. 3. Wizards of the Coast Fan Content Policy
  4. 4. Open-source license

CardBull shows market prices, card details and card pictures from the sources below. Thank you to each of them.

1. Data sources

  • Pokémon card data and set logos from TCGdex (tcgdex.net), licensed CC BY-SA 4.0.
  • Official Pokémon card pictures from the Pokémon TCG API (pokemontcg.io).
  • Pokémon card pictures and prices, English and Japanese, from Scrydex.
  • Market data provided by JustTCG.
  • This product uses TCGplayer data but is not endorsed or certified by TCGplayer.
  • Magic: The Gathering card data and images from Scryfall.
  • Yu-Gi-Oh! card data from YGOPRODeck.
  • One Piece card data from OPTCG API.
  • Header photos in the app and on the website from Unsplash.

Naming these sources doesn’t mean they endorse CardBull

2. Games

  • Pokémon © The Pokémon Company, Nintendo, Creatures Inc. and GAME FREAK inc.
  • Magic: The Gathering © Wizards of the Coast LLC.
  • Yu-Gi-Oh! © Studio Dice/SHUEISHA, TV TOKYO, KONAMI.
  • One Piece © Eiichiro Oda/Shueisha, Toei Animation, Bandai.

Card names and pictures belong to their owners. CardBull is not affiliated with, endorsed or sponsored by any of them.

3. Wizards of the Coast Fan Content Policy

CardBull is unofficial Fan Content permitted under the Fan Content Policy. Not approved/endorsed by Wizards. Portions of the materials used are property of Wizards of the Coast. ©Wizards of the Coast LLC.

4. Open-source license

The app’s list of Pokémon sets is built from the TCGdex cards database, used under the MIT License:

MIT License

Copyright (c) 2021 TCGdex

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Questions about this page: [email protected].