Array
(
    [url] => https://api.personio.de/v1/recruiting/applications/documents
    [content_type] => application/json
    [http_code] => 400
    [header_size] => 598
    [request_size] => 334
    [filetime] => -1
    [ssl_verify_result] => 0
    [redirect_count] => 0
    [total_time] => 0.121455
    [namelookup_time] => 0.000107
    [connect_time] => 0.005256
    [pretransfer_time] => 0.012169
    [size_upload] => 1050570
    [size_download] => 78
    [speed_download] => 644
    [speed_upload] => 8682396
    [download_content_length] => 78
    [upload_content_length] => 1050570
    [starttransfer_time] => 0.065495
    [redirect_time] => 0
    [redirect_url] => 
    [primary_ip] => 18.245.86.49
    [certinfo] => Array
        (
        )

    [primary_port] => 443
    [local_ip] => 78.46.44.117
    [local_port] => 44538
    [http_version] => 2
    [protocol] => 2
    [ssl_verifyresult] => 0
    [scheme] => HTTPS
    [appconnect_time_us] => 12150
    [connect_time_us] => 5256
    [namelookup_time_us] => 107
    [pretransfer_time_us] => 12169
    [redirect_time_us] => 0
    [starttransfer_time_us] => 65495
    [total_time_us] => 121455
)
{"error":{"reason":"Invalid multipart request body and/or headers supplied."}}