main_order_id	int	ID of the main order (its shipping and invoice data will be retained).
order_ids_to_merge	array	List of other order IDs to merge. Must not include main_order_id.
merge_mode	string	Merge mode: technical_merge (creates a new technical order without changing the originals) or into_main_order (moves items into the main order and deletes the others).
sum_delivery_costs	bool	Whether to sum delivery costs: true (add up all shipping costs from merged orders) or false (keep only the main order’s shipping cost).

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
merged_order_id	int	ID of the merged order

Input data:
{ "main_order_id": 1234567, "order_ids_to_merge": [ 2345678, 3456789, 4567890 ], "merge_mode": "technical_merge", "sum_delivery_costs": true } Output data:
{ "status": "SUCCESS", "merged_order_id: 12345678 } A sample request in PHP:
<?php $methodParams = '{ "main_order_id": 1234567, "order_ids_to_merge": [ 2345678, 3456789, 4567890 ], "merge_mode": "technical_merge", "sum_delivery_costs": true }'; $apiParams = [ "method" => "setOrdersMerge", "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);