We've published complete documentation for the OneCatalog Wiki API on a dedicated site: docs.onecatalog.net.
The docs cover everything you need to integrate the catalog: a five-minute quickstart, a full reference for every endpoint with parameters and response formats, authentication via API key, and the machine-readable OpenAPI 3.1 schema for generating client libraries.
Whether you're building an online store, a CRM integration or an internal tool, start at docs.onecatalog.net. The demo key in the quickstart lets you make your first request right away.