$marketplace = 'https://marketplace.emag.bg';
        $password = '...';
        $user = 'mbvison@mailinator.com';
        $emagHash = base64_encode($user . ':' . $password);

        $product_data = array(
            'itemsPerPage' => 500,
            'currentPage' => 1
        );

        $headers = array('Authorization: Basic ' . $emagHash);

        $requestData = array(
            'data' => $product_data,
        );

        $ch = curl_init();

        curl_setopt($ch, CURLOPT_URL, $marketplace.'/api-3/product_offer/read');

        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
        curl_setopt($ch, CURLOPT_HEADER, 0);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'POST');

        curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($requestData));
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

        $result = curl_exec($ch);
        curl_close($ch);

        $result = json_decode($result, true);

        var_dump($result);