send grid

<?php

error_reporting(-1);
ini_set('display_errors', 'On');

$url = 'https://api.sendgrid.com/v3';
$request =  $url.'/contactdb/lists/12345/recipients';  //12345 is list_id
//$request =  $url.'/contactdb/recipients';

$params = array(
'email' => '[email protected]',
'first_name' => 'hjjjjjjjh',
'last_name' => 'User uuuuuuuu'
  );
  $json = array();
  array_push($json, $params);
 $json_post_fields = json_encode($json);
 // Generate curl request
$ch = curl_init();
$headers =
array("Content-Type: application/json",
"Authorization: Bearer SG.XXXXXXX");
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_URL, $request);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_TIMEOUT, 60);
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
// Apply the JSON to our curl call
curl_setopt($ch, CURLOPT_POSTFIELDS, $json_post_fields);
$data = curl_exec($ch);
if (curl_errno($ch)) {
print "Error: " . curl_error($ch);
} else {
// Show me the result
var_dump($data);
curl_close($ch);
}
echo $json_post_fields;



?>