order_id	int	Purchase order identifier
page	int	(optional) Page number of the results if there are many items in a purchase order (100 items per page).

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
items	array	List of order items. Each element contains fields listed below
| - item_id	int	Item identifier
| - product_id	int	Product identifier
| - position	int	The line item number within the purchase order
| - product_name	varchar(200)	Product name on document
| - product_sku	varchar(50)	Product SKU
| - product_ean	varchar(32)	Product EAN
| - supplier_code	varchar(50)	(optional) Product code from supplier
| - quantity	int	Ordered quantity
| - completed_quantity	int	Received quantity
| - item_cost	decimal(10,2)	Item unit cost
| - location	varchar(255)	(optional) Storage location
| - expiry_date	date	(optional) Expiry date
| - batch	varchar(128)	(optional) Batch number
| - serial_no	varchar(128)	(optional) Serial number
| - comments	varchar(255)	(optional) Item comments or notes

Input data:
{ "order_id": 1234 } Output data:
{ "status": "SUCCESS", "items": [ { "item_id": 1, "product_id": 5432, "position": 1, "product_name": "Test Product 1", "product_sku": "TP-001", "product_ean": "5901234123457", "supplier_code": "SUP-001", "quantity": 5, "completed_quantity": 3, "item_cost": 10.99, "location": "A-1-2", "batch": "LOT2021", "expiry_date": "2023-12-31", "serial_no": "SN20211231001" } ] } A sample request in PHP:
<?php $methodParams = '{ "order_id": 1234 }'; $apiParams = [ "method" => "getInventoryPurchaseOrderItems", "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);