error "PERMISSION_DENIED"

[minoryorg]

Since I am limiting HTTP referrer with Google API Key,
I specified "CURLOPT_REFERER" with "curl_setopt" function, which file should I write?
This error will be displayed.

array:1 [▼
"error" => array:4 [▼
"code" => 403
"message" => "Requests from referer are blocked."
"status" => "PERMISSION_DENIED"
"details" => array:1 [▼
0 => array:2 [▼
"@type" => "type.googleapis.com/google.rpc.Help"
"links" => array:1 [▼
0 => array:2 [▶]
]
]
]
]
]

[robincsamuel]

Check google API restrictions.