Zapier Webhook posting

basicPosting.php

<?php

$params = array(
  'name' => 'Erlich Bachman',
  'email' => 'erl@pied-piper.io',
});

//send Zapier webhook
$response = drupal_http_request('https://zapier.com/hooks/catch/.../', array(
  'headers' => array('Content-Type' => 'application/json', 'Accept' => 'application/json'),
  'method' => 'POST',
  'max_redirects' => 1,
  'data' => drupal_json_encode($params),
));