Error

HTTP Error: cURL ERROR: 52: Empty reply from server
url: https://web.yosoyvendedor.com:443/webservices/apiMerchants_v_1.2/index.php
content_type: 
http_code: 100
header_size: 25
request_size: 287
filetime: -1
ssl_verify_result: 0
redirect_count: 0
total_time: 0.542062
namelookup_time: 2.0E-5
connect_time: 0.00046
pretransfer_time: 0.016733
size_upload: 1285
size_download: 0
speed_download: 0
speed_upload: 2370
download_content_length: -1
upload_content_length: 1285
starttransfer_time: 0.017296
redirect_time: 0
redirect_url: 
primary_ip: 173.212.218.62
certinfo: Array
primary_port: 443
local_ip: 161.97.91.85
local_port: 34102