# ItemData

> Cursor-paginated Steam inventory API with a server-controlled Steam page size of 2000, rotating-proxy retries, durable public page snapshots, bounded account-wide private-inventory caching, caller-authorized Steam-session access, and an optional internal Steam-session pool for recently trade-blocked CS2 assets.

ItemData is an independent Steam inventory API. It is not affiliated with Valve or Steam.

## Documentation

- [API catalog](https://itemdata.net/api/list): Searchable endpoint reference and safe request explorer.
- [Complete endpoint reference](https://itemdata.net/docs/raw/endpoints.md): Parameters, responses, billing, limits, and examples.
- [Raw OpenAPI contract](https://itemdata.net/v1/openapi.yaml): OpenAPI source for API version 6.0.0.
- [Human documentation](https://itemdata.net/docs): Guides and inventory behavior.

## Public endpoints

- `GET /v1/inventory` — Fetch one Steam inventory page (1–2 credits).
- `GET /v1/plans` — List published plans (Free).
- `GET /v1/health` — Service, dependency, proxy, and runtime health (Free).
- `GET /v1/live` — Process liveness (Free).
- `GET /v1/docs` — Self-contained OpenAPI documentation (Free).
- `GET /v1/openapi.yaml` — Raw OpenAPI contract (Free).