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YAML Yugi

API providing a comprehensive, machine-readable database of Yu-Gi-Oh! Trading Card Game, Official Card Game, Master Duel, Rush Duel, and Speed Duel. It supports fetching individual cards in JSON or YAML format, and integrates with Discord bot Bastion. Aggregations and card data are published on GitHub Pages.

Open documentation ↗
AuthHTTPSNo CORSFinance

Verified 4 days ago: 100% uptime

API key

Unconfirmed

HTTPS

Supported

Browser calls

No, needs a proxy

Status

Live · 98/100

What our checks found

Health score
98/100
Reliability
100%
Average latency
1471ms

Last checked 2026-09-18. Measured independently, not self-reported by the provider.

How to call it

A starting template for YAML Yugi. Replace ENDPOINT with the path from the official documentation, which we link above rather than guess at.

# Authentication requirement is unconfirmed. Check the documentation before relying on this.
curl -s "https://github.com/ENDPOINT" \
  -H "Authorization: Bearer YOUR_TOKEN" \
  -H "Accept: application/json"

This API does not send CORS headers, so a browser will block a direct call from your front end. Call it from your server, or put a small proxy in front of it.

Where this listing comes from

Aggregated from one public source (freepublicapis), then normalised and checked by us. If something here is wrong, tell us and we will correct it.

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YAML Yugi — common questions

Answered from what our own scheduled checks found, not from the provider's marketing.

Is YAML Yugi free to use?

YAML Yugi is listed in our free catalogue, but it requires some form of authentication, so you will need to register before your first call. Providers frequently reserve higher limits and commercial use for paid plans.

Does YAML Yugi need an API key?

YAML Yugi requires some form of authentication. Check the provider's documentation for which scheme it expects.

Can I call YAML Yugi from browser JavaScript?

Not directly. YAML Yugi did not return CORS headers when we checked, so the browser will block your page from reading the response even though the request itself succeeds. Call it from a server, or put a small proxy in front of it.

Is YAML Yugi still working?

Yes, as of 2026-09-18. Our automated check reached YAML Yugi and recorded a 100% reliability score with a median response time of 1471 ms. We re-check on a schedule, and this page updates with the result.

Is YAML Yugi available over HTTPS?

Yes. YAML Yugi serves over HTTPS, so you can call it from a secure page without triggering a mixed-content block.