You don't need a custom back end to receive a simple form submission. As one easy example: https://docs.netlify.com/forms/setup/ https://docs.netlify.com/forms/

You don't need a custom back end to receive a simple form submission. As one easy example: https://docs.netlify.com/forms/setup/ https://docs.netlify.com/forms/setup/ There are others. You are probably going to spend more time seeking a pre-canned SaaS that does this vs. just picking a cloud provider and figuring out the easiest way to do a serverless form with them.