# Adding Item Aliases Endpoint: POST /itemaliases Version: v3.0: 3.26.2.4 Security: Auth API User Token ## Request fields (application/json-patch+json): - `itemID` (string, required) - `code` (string, required) ## Response 200 fields (application/json): - `itemAliasID` (string,null) - `created` (boolean) - `itemID` (string, required) - `code` (string, required) ## Response 500 fields (application/json): - `message` (string,null) - `errors` (array,null) - `errors.extensions` (string,null) ## Response 429 fields