# Catalog coverage and unsupported releases

A failed search is not proof that a card does not exist. Strata keeps a small,
reviewed registry of known releases outside its current catalog. It does not
classify all Chinese cards as unsupported.

For a registered release, identification returns `source: "unsupported"`,
`reason: "unsupported_release"`, `match: null`, no alternates, and
`retryable: false`. The `unsupported` object identifies the release, game and
language; `detail` and `nextAction` explain what to do.

Example: **Lunar Teemo** (including the reviewed Lunar New Year/Lunar Revel names)
returns a Chinese-release coverage gap. Do not substitute an English Teemo,
a Worlds bundle, or its price. If the release is uncertain, ask for the card's
photo and collector number. Otherwise use a source covering that release.

Preserve the observed language in the query text and the request's `language`
field. Do not silently turn Chinese requests into English requests.

## Coverage by flow

Raw and sealed identity follows the supported TCGplayer catalog. Valid game hints include Pokemon, Pokemon Japan, Magic, One Piece, Lorcana, Riftbound, Gundam, Dragon Ball Z, Dragon Ball Super and Dragon Ball Fusion World. A supported game does not promise every language, release or variant is covered. Preserve the language and exact number and inspect the returned result.

Slab identity and graded prices use ALT independently. Sports and foreign-language slabs may resolve even without a raw catalog match. Supported input grader labels are PSA, BGS, CGC, SGC and TAG, with AUTO detection for slab identification; accepting a label does not guarantee provider support. TAG cert-only identification is currently unsupported. Missing grades or tiers remain unsupported or unavailable rather than substituted.

Sealed identification requires product type and configuration, not only the set name. A pack, booster box, bundle and empty packaging are distinct products. A matching name alone cannot establish the package or language.

Strata is not an authentication or grading service and does not promise a general accuracy rate. No direct photo recognition endpoint or customer registry-approval endpoint is offered. CardLadder links do not provide scraped CardLadder prices.

Known coverage gaps are reviewed entries. A failed search or model output does not create one automatically. Report suspected mistakes through [feedback](./registry-feedback.md) or [support](https://stratatcg.com/support); use [products and mappings](./products.md) to distinguish absent links from provider outages.