ERROR: Server didn't return 200 status code!

http://18.203.91.3/api/v0.1/getRecordsAPIArray
(
    [argsJSON] => {
    "tableName": "legal_pages",
    "loadUploads": true,
    "allowSearch": false,
    "_REQUEST": {
        "slug": "first-tenant-for-55-athol-street"
    }
}
)
Array
(
    [url] => http://18.203.91.3/api/v0.1/getRecordsAPI
    [content_type] => 
    [http_code] => 0
    [header_size] => 0
    [request_size] => 268
    [filetime] => -1
    [ssl_verify_result] => 0
    [redirect_count] => 0
    [total_time] => 6.001648
    [namelookup_time] => 3.0E-5
    [connect_time] => 0.001707
    [pretransfer_time] => 0.001775
    [size_upload] => 304
    [size_download] => 0
    [speed_download] => 0
    [speed_upload] => 50
    [download_content_length] => -1
    [upload_content_length] => 304
    [starttransfer_time] => 0.001778
    [redirect_time] => 0
    [redirect_url] => 
    [primary_ip] => 18.203.91.3
    [certinfo] => Array
        (
        )

    [primary_port] => 80
    [local_ip] => 172.31.44.108
    [local_port] => 44626
    [http_version] => 0
    [protocol] => 1
    [ssl_verifyresult] => 0
    [scheme] => HTTP
)