# Cromos API

## Docs

- [Introduction](https://docs.cromos.dev/introduction.md): An HTTP API over a trading card catalog.
- [Authentication](https://docs.cromos.dev/authentication.md): Every request to the API carries a key.
- [Rate limits](https://docs.cromos.dev/rate-limits.md): Each key gets its own budget.
- [The card object](https://docs.cromos.dev/cards/object.md): One printing of one card, and every way it was printed.
- [Get a card](https://docs.cromos.dev/cards/get.md): One card, with every printing and its current prices.
- [List cards](https://docs.cromos.dev/cards/list.md): Every card in the catalog, in catalog order.
- [Get card prices](https://docs.cromos.dev/cards/prices.md): Daily price history for every printing of a card.
- [List biggest gainers and losers](https://docs.cromos.dev/cards/movers.md): Cards ranked by price movement over a window, gainers or losers.
- [The series object](https://docs.cromos.dev/series/object.md): The top level of the catalog.
- [Get a series](https://docs.cromos.dev/series/get.md): One series and every expansion inside it.
- [List series](https://docs.cromos.dev/series/list.md): Every series in the catalog.
- [The expansion object](https://docs.cromos.dev/expansions/object.md): A set of cards released together.
- [Get an expansion](https://docs.cromos.dev/expansions/get.md): One expansion, with its counts and legality.
- [List expansions](https://docs.cromos.dev/expansions/list.md): Every expansion, or one series at a time.
- [The product object](https://docs.cromos.dev/products/object.md): Sealed product: boxes, bundles, collections.
- [Get a product](https://docs.cromos.dev/products/get.md): One sealed product with its current prices.
- [List products](https://docs.cromos.dev/products/list.md): Every sealed product, or one expansion at a time.
- [Get product prices](https://docs.cromos.dev/products/prices.md): Daily price history for a sealed product.
- [Get price snapshots](https://docs.cromos.dev/prices.md): The newest published price file for cards and for sealed products.
- [Scan a card](https://docs.cromos.dev/scan.md): Identify a card from a photo.
- [Webhooks](https://docs.cromos.dev/webhooks/overview.md): Get told when catalog and price data changes, with the changed records attached.
- [Events](https://docs.cromos.dev/webhooks/events.md): What each event means, when it fires, and the records it carries.
- [Price snapshots](https://docs.cromos.dev/webhooks/snapshots.md): The daily price file: format, naming, verification, and how to apply it.
- [Verifying deliveries](https://docs.cromos.dev/webhooks/security.md): Every delivery is signed. Check the signature before you trust the body.
- [Get a delivery](https://docs.cromos.dev/webhooks/delivery.md): The payload one webhook delivery carried.

## OpenAPI Specs

- [openapi](https://docs.cromos.dev/openapi.json)