Remove Categories from Catalog Itemdelete https://a.klaviyo.com/api/catalog-items/{id}/relationships/categoriesDelete catalog category relationships for the given item ID.Rate limits:Burst: 75/sSteady: 750/m Scopes: catalogs:writePath ParamsidstringrequiredThe catalog item ID is a compound ID (string), with format: {integration}:::{catalog}:::{external_id}. Currently, the only supported integration type is $custom, and the only supported catalog is $default.Body Paramsdataarray of objectsrequireddata*ADD objectHeadersrevisionstringrequiredDefaults to 2026-04-15API endpoint revision (format: YYYY-MM-DD[.suffix])Responses 204Success 4XXClient Error 5XXServer ErrorUpdated 11 days ago