$url = 'https://api.bulletsend.com/v1/message/send'; $message = json_encode([ "auth" => [ "key" => "Your API key", ], "contents" => [ "subject" => $subject, "html" => $body, "text" => $text ], "to" => [ "name" => "$to_name", "email" => $to_email ], "from" => [ "name" => "$from_name", "email" => "[email protected]" ] ]); $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_POST, true); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_POSTFIELDS, $message); curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type:application/json')); $response = curl_exec($ch); $httpcode = curl_getinfo($ch, CURLINFO_HTTP_CODE); curl_close($ch); echo $httpcode . ' / ' . $response;