Problem making API requests

I'm trying to order an API: EGOI but I get an error.

The request is as follows:

link

Do you know how to pass parameters to ZEND?

I get the following error:

<?xml version="1.0" encoding="UTF-8"?>
<Egoi_Api generator="zend" version="1.0">
    <checklogin>
        <ERROR>NO_USERNAME_AND_PASSWORD_AND_APIKEY</ERROR>
        <status>success</status>
    </checklogin>
</Egoi_Api>