title: Sendgrid: Send multiple different emails in one request
body: <p>I'm using sendgrid java web api client from their website to send mail through the web api gateway. My problem is that i can only send one message per request and i usually have need to send 1000-1500 messages at a time which are all different in content, so I just send them in a loop. However, this makes 1000-1500 api request which is very slow.</p>
  
  <p>Is it possible to send multiple individual different emails in one request?</p>