I'm trying to be as concise as possible. I'm building a form that takes a value ('address') which in turn would get posted to an external API. However, the real functionality comes with checking the 'address' to see if it is eligible to sign up for a program.
The first box shows what happens when user enters an address into the form field. But what I need is to access the value in the JSON file below. Someone suggested that I use webhooks - which I looked up the documentation for various plugins (Gravity Forms, Fluent Forms and so on). But something tells me that I need to write a custom function in order to use the data collected from the form and check it against the API.
What is the solution to this? Is it even possible?
Disclaimer: I haven't been developing websites for a while and have chatted with another developer but I still haven't been able to find a solution.