invoice_id	int	(optional) Invoice identifier. Completing this field will result in downloading information about only one specific invoice.
order_id	int	(optional) Order identifier. Completing this field will result in downloading information only about the invoice associated with this order (if the order has an invoice created).
date_from	int	(optional) Date from which invoices are to be collected. Unix time stamp format.
id_from	int	(optional) The invoice ID number from which subsequent invoices are to be retrieved.
series_id	int	(optional) numbering series ID that allows filtering after the invoice numbering series.
get_external_invoices	bool	(optional) If set to 'false' then omits from the results invoices that already have an external invoice file uploaded by addOrderInvoiceFile method (useful for ERP integrations uploading invoice files to BaseLinker)
get_government_data	bool	(optional) If set to 'true' then includes government data fields in the response: - gov_id (varchar) - government invoice identifier - gov_date (int) - government invoice date (unix time format) - gov_status (int) - government invoice status ( 1 => Sent, 2 => Accepted, 3 => Rejected, 5 => Offline mode)

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
invoices	array	An array of the information about the invoices found. Each invoice is described by the fields listed below.
| - invoice_id	int	Invoice identifier
| - order_id	int	Order identifier for which an invoice is issued
| - series_id	int	Invoice numbering series identifier
| - type	varchar(10)	Type of invoice. Available values: normal - regular invoice correcting - corrective invoice
| - number	varchar(30)	Full invoice number. Format depends on account settings. Usually [no]/[month]/[year]
| - sub_id	int	Monthly/yearly number - invoice number element
| - month	int	Month - element of invoice number (0 if annual numbering is used)
| - year	int	Year - invoice number element
| - postfix	varchar(1)	Suffix - invoice number element
| - date_add	int	Invoice creation date (unix time format)
| - date_sell	int	Sale date (unix time format)
| - date_pay_to	int	Due date (unix time format). Not completed by default (value 0)
| - currency	char(3)	3-letter currency symbol (e.g. EUR, PLN)
| - total_price_brutto	float	Total gross invoice value
| - total_price_netto	float	Total net invoice value
| - payment	varchar(100)	Payment method name
| - additional_info	varchar(500)	Additional information/invoice remarks
| - invoice_fullname	varchar(100)	Billing details - name and surname
| - invoice_company	varchar(100)	Billing details - company
| - invoice_nip	varchar(100)	Billing details - Vat Reg. no./tax number
| - invoice_address	varchar(100)	Billing details - street and house number
| - invoice_postcode	varchar(100)	Billing details - postcode
| - invoice_city	varchar(100)	Billing details - city
| - invoice_country	varchar(20)	Billing details - country
| - invoice_country_code	char(2)	Billing details - country code (two-letter, e.g. EN)
| - seller	varchar(250)	Seller data (all in one field)
| - issuer	varchar(100)	Issuer data
| - correcting_to_invoice_id	int	Only with a corrective invoice. The identifier of the corrected invoice.
| - correcting_reason	varchar(100)	Only with a corrective invoice. Reason for correcting an invoice.
| - correcting_items	bool	Only with a corrective invoice. Flag indicating whether the correction changes the invoice items.
| - correcting_data	bool	Only with a corrective invoice. A flag indicating whether the correction changes the buyer data.
| - external_invoice_number	varchar(30)	External system invoice number
| - exchange_currency	char(3)	Only for converted invoices. The target currency into which the invoice value was additionally converted.
| - exchange_rate	decimal(10,6)	Only for converted invoices. Exchange rate (conversion from field "currency" to field "exchange_currency".
| - exchange_date	varchar(10)	Only for converted invoices. Date of exchange rate.
| - exchange_info	varchar(20)	Only for converted invoices. Information on the exchange rate source (NBP table number).
| - external_id	int	Invoice identifier used in a remote accounting system.
| - items	array	An array of invoice items. Each element of the array is also an array containing fields: name (varchar) - item name sku (varchar) - product SKU number ean (varchar) - product EAN number price_brutto (float) - single item gross price price_netto (float) - single item net price tax_rate (float) - VAT tax rate e.g. "23", (value from range 0-100, EXCEPTION values: "-1" for "EXPT"/"ZW" exempt from VAT, "-0.02" for "NP" annotation, "-0.03" for "OO" VAT reverse charge) quantity (int) - quantity of pieces is_shipment (int) - if the item is a shipment (0 - no, 1 - yes) order_product_id (int) - ID of order item from BaseLinker order manager

Input data:
{ "date_from": 1407341754 } Output data:
{ "status": "SUCCESS", "invoices": [ { "invoice_id": 663197, "order_id": 5695322, "type": "normal", "number": "1/3/2016/shop", "year": 2016, "month": 3, "sub_id": 1, "postfix": "shop", "date_add": 1458161617, "date_sell": 1458161617, "date_pay_to": 0, "currency": "GBP", "total_price_brutto": 253, "total_price_netto": 205.691, "invoice_fullname": "", "invoice_company": "Jane Doe COMPANY", "invoice_nip": "999281736", "invoice_address": "Long Str 12", "invoice_city": "London", "invoice_postcode": "E2 8HQ", "invoice_country": "Great Britain", "invoice_country_code": "GB", "seller": "John Doe\r\nCOMPANY GMBH\r\nLong Str 66\r\nE2 8HQ London", "payment": "Cash on delivery", "correcting_to_invoice_id": 0, "correcting_reason": "", "correcting_items": false, "correcting_data": false, "external_invoice_number": "FV 101/03/2020", "exchange_currency": "", "exchange_rate": 0, "exchange_date": "", "exchange_info": "", "external_id": 662864993, "items": [ { "name": "Wristwatch ALBATROSS ABDA72 - PROTECTOR", "price_brutto": 99, "price_netto": 80.4878, "tax_rate": 23, "quantity": 1, "is_shipment": 0 }, { "name": "Wristwatch Atim STELLI", "price_brutto": 139, "price_netto": 113.0081, "tax_rate": 23, "quantity": 1, "is_shipment": 0 }, { "name": "Delivery: courier COD", "price_brutto": 15, "price_netto": 12.1951, "tax_rate": 23, "quantity": 1, "is_shipment": 1 } ] } ] } A sample request in PHP:
<?php $methodParams = '{ "date_from": 1407341754 }'; $apiParams = [ "method" => "getInvoices", "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);