Invalid key error

this is generate array

Array
(
[headers] => Requests_Utility_CaseInsensitiveDictionary Object
(
[data:protected] => Array
(
[date] => Wed, 08 Aug 2018 16:49:47 GMT
[set-cookie] => PHPSESSID=jf6uu915jshencs1rnkb8r3501; path=/
[expires] => Thu, 19 Nov 1981 08:52:00 GMT
[cache-control] => no-store, no-cache, must-revalidate, post-check=0, pre-check=0
[pragma] => no-cache
[content-length] => 15
[content-type] => application/json; charset=UTF-8
)

)

[body] => Invalid Api Key
[response] => Array
(
[code] => 200
[message] => OK
)

[cookies] => Array
(
[0] => WP_Http_Cookie Object
(
[name] => PHPSESSID
[value] => jf6uu915jshencs1rnkb8r3501
[expires] =>
[path] => /
[domain] => crm.pabau.com
)

)

[filename] =>
[http_response] => WP_HTTP_Requests_Response Object
(
[response:protected] => Requests_Response Object
(
[body] => Invalid Api Key
[raw] => HTTP/1.1 200 OK
Date: Wed, 08 Aug 2018 16:49:47 GMT
Set-Cookie: PHPSESSID=jf6uu915jshencs1rnkb8r3501; path=/
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
Content-Length: 15
Connection: close
Content-Type: application/json; charset=UTF-8

Invalid Api Key
[headers] => Requests_Response_Headers Object
(
[data:protected] => Array
(
[date] => Array
(
[0] => Wed, 08 Aug 2018 16:49:47 GMT
)

[set-cookie] => Array
(
[0] => PHPSESSID=jf6uu915jshencs1rnkb8r3501; path=/
)

[expires] => Array
(
[0] => Thu, 19 Nov 1981 08:52:00 GMT
)

[cache-control] => Array
(
[0] => no-store, no-cache, must-revalidate, post-check=0, pre-check=0
)

[pragma] => Array
(
[0] => no-cache
)

[content-length] => Array
(
[0] => 15
)

[content-type] => Array
(
[0] => application/json; charset=UTF-8
)

)

)

[status_code] => 200
[protocol_version] => 1.1
[success] => 1
[redirects] => 0
[url] => https://crm.pabau.com/OAuth2/leads/lead-curl.php
[history] => Array
(
)

[cookies] => Requests_Cookie_Jar Object
(
[cookies:protected] => Array
(
[PHPSESSID] => Requests_Cookie Object
(
[name] => PHPSESSID
[value] => jf6uu915jshencs1rnkb8r3501
[attributes] => Requests_Utility_CaseInsensitiveDictionary Object
(
[data:protected] => Array
(
[path] => /
[domain] => crm.pabau.com
)

)

[flags] => Array
(
[creation] => 1533746987
[last-access] => 1533746987
[persistent] =>
[host-only] => 1
)

[reference_time] => 1533746987
)

)

)

)

[filename:protected] =>
[data] =>
[headers] =>
[status] =>
)

)