The method returns the data in JSON format.

status	varchar(30)	SUCCESS - request executed correctly ERROR - an error occurred during an API request. Error details will be described in 2 additional returned fields: error_message and error_code
extra_fields	array	An array of extra fields containing the fields listed below
| - extra_field_id	int	ID of the extra field
| - name	int	Field name.
| - kind	int	Type of additional field. Value 0 indicates a short field (max 200 characters). Value 1 means a long field (no limit of characters), where the value can be overwritten for specific integrations e.g. marketplace.
| - editor_type	varchar	Editor type. The following values are available: text, number, select, checkbox, radio, date, file.
| - options	array	(optional) An array of values available for a given additional field. Applicable to select, checkbox and radio editors.

Input data:
{} Output data:
{ "status": "SUCCESS", "extra_fields": [ { "extra_field_id": 201, "name": "Short text field", "kind": 0, "editor_type": "text" }, { "extra_field_id": 202, "name": "Select field", "kind": 0, "editor_type": "select", "options": ["First option", "Second option", "Third option"] }, { "extra_field_id": 203, "name": "Long (translated) text field", "kind": 1, "editor_type": "text" } ] } A sample request in PHP:
<?php $methodParams = '{}'; $apiParams = [ "method" => "getInventoryExtraFields", "parameters" => $methodParams ]; $curl = curl_init("https://api.baselinker.com/connector.php"); curl_setopt($curl, CURLOPT_POST, 1); curl_setopt($curl, CURLOPT_HTTPHEADER, ["X-BLToken: xxx"]); curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query($apiParams)); $response = curl_exec($curl);