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Lowest listed PC game key prices across official and key stores, by name or Steam app ID

Daily PSA 10 market cap, prices and population for Pokémon and One Piece cards.
CardZ Marketcap API is a free Games & Comics API that requires no API key, is served over HTTPS and supports CORS, so it can be called from the browser.
Online · 1159 msTested Nov 15, 2026 · checked dailyIs it down? Status & uptime
PSA 10 market cap rankings as JSON over a public read-only API. Endpoints, field definitions, update cadence, licence and the citation format.
Details from cardzmarketcap.com.

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Lowest listed PC game key prices across official and key stores, by name or Steam app ID
Recognize Pokémon, One Piece, Lorcana, Yu-Gi-Oh! and Magic cards from photos
Sealed trading-card product prices and expected value across 10 TCGs, refreshed every 2 hours
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The CardZ Marketcap API is provided by CardZ Marketcap (cardzmarketcap.com). PSA 10 market cap rankings as JSON over a public read-only API. Endpoints, field definitions, update cadence, licence and the citation format.
Yes. The CardZ Marketcap API is listed in the Games & Comics category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.
No. The CardZ Marketcap API requires no authentication, so you can start making requests without signing up.
Yes. The CardZ Marketcap API supports CORS, so front-end JavaScript can call it directly.
Yes. The CardZ Marketcap API is served over HTTPS, so it's safe to use in production.
Show that CardZ Marketcap is listed on Public APIs. The badge displays its developer rating once it has one.
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