Basic auth with & in APIkey about api

[dpnevmatikos]

Hi there @bekatoros ,
Are you getting an error code?
Please also refer to this article for more info.

Let us know if that works out for you.

[bekatoros]

The authorization error I receive.
HTTP/1.1 401 Invalid password for the merchant with id 45193634-###-###-###-cf6b72e925fb Cache-Control: no-cache Pragma: no-cache Expires: -1 Server: Microsoft-IIS/7.5 Date: Tue, 01 Dec 2015 15:55:36 GMT Content-Length: 0

[dpnevmatikos]

You may need to encode your API key first.
I am not a PHP developer, but a quick Google search revealed this StackOverflow thread which might be what you need.

[bekatoros]

Fixed by using
curl_setopt($session, CURLOPT_USERPWD, rawurldecode($MerchantId).':'.rawurldecode($APIKey));