entity_code must correspond to a valid store or warehouse in the system.item_code must exist in the product catalog.dimension_level1 and dimension_level2 values must match the product's composition and dimensions.true.callback parameter in the body, specifying the URL of an endpoint to receive the processing result. The callback response will depend on the data provided in the request. For example, if stock is inserted successfully, a message similar to the following will be sent to the callback:entity_code: If the entity_code is not found, the API returns HTTP 422 with the following error:item_code: If the item_code does not exist, the API returns HTTP 422 with the following error:barcode: If the barcode does not exist, the API returns HTTP 422 with the following error: