With restdb.io's Web Form Generator, you can quickly generate a web form you can use to collect input from users on your site directly into a restdb.io database collection. Great!
However, it would be nice to be able to respond the users by email that the "application" or whatever information they submitted has been received. 
This blog post details all the steps necessary to do just that using restdb.io Webhooks with a Zapier Webhooks-to-Gmail Zap.