Try and talk with your potential customers. * Build a landing page where you explain what you want to build * Add a pricing page and ask for money * Ask for

Try and talk with your potential customers. * Build a landing page where you explain what you want to build * Add a pricing page and ask for money * Ask for users address if interested * If enough interest is shown - build your first MVP Here's a more detailed example about validating an idea - https://blog.bufferapp.com/idea-to-paying-customers-in-7-weeks-how-we-did-it https://blog.bufferapp.com/idea-to-paying-customers-in-7-wee...