GuzzleHttp Hangs When Using Localhost

php codeigniter rest guzzle

PHP Snippet 1:

$client = new \GuzzleHttp\Client([
    'base_uri' => 'http://localhost:8000',
    'defaults' => [
        'exceptions' => false
    ]
]);

$response = $client->get('/api/user/1');

PHP Snippet 2:

$request = $httpClient->request('GET', 'http://localhost:8001/BlogApiV1/BlogApi/blogs/', $headers);

PHP Snippet 3:

 $headers = ['headers' => ['X-API-KEY' => '123456']];