How to set a header in wp_safe_remote_get()?

Question

Previously I am using the below code. Now I need to change this code and replace file_get_contents() with wp_safe_remote_get(). I need to know how to set 'header' => "Accept: application/json" in wp_safe_remote_get():

$opts = array(
        'http' => array(
            'method' => "GET",
            'header' => "Content-Type:application/json",
            'header' => "Accept: application/json"
        )
    );

$context = stream_context_create($opts);
$file =   file_get_contents( 
    'http://xxxxxxxx.xxxx/xapix/xjson/xxxxx.php',
     false, 
     $context
);

I have tried to do this but not working

$args = array( 'timeout' => 30 , 'header' => "Accept: application/json");   
$file = wp_safe_remote_get('http://xxxxxxxx.xxxx/xapix/xjson/xxxxx.php', $args); 

Answer 1

This will work

$args = array( 'headers' => array("Accept" => "application/json"));
$file = wp_safe_remote_get('http://xxxxxxxx.xxxx/xapix/xjson/xxxxx.php', $args);

headers is an array. Not a string .