invoice_id	int	BaseLinker invoice identifier
file	text	Invoice PDF file in binary format encoded in base64, at the very beginning of the invoice string provide a prefix "data:" e.g. "data:4AAQSkSzkJRgABA[...]"
external_invoice_number	varchar(30)	External system invoice number (overwrites BaseLinker invoice number)

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

Input data:
{ "invoice_id": 153845, "file": "data:4AAQSkZJRgABA[...]", "external_invoice_number": "FV 101/03/2020" } Output data:
{ "status": "SUCCESS" } A sample request in PHP:
<?php $methodParams = '{ "invoice_id": 153845, "file": "data:4AAQSkZJRgABA[...]", "external_invoice_number": "FV 101\/03\/2020" }'; $apiParams = [ "method" => "addOrderInvoiceFile", "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);