Solar radiation app

Hello, I want to make an app to show the amount of solar radiation in a particular place. I found some APIs of them but they are paid. Is there a free API or extension of it? How can I code it?

This is not a Kodular related query, use google to find out.

Find an API and follow the instructions that come with it. If you get stuck you can search the forum in case topics about it already exist. If not, then you can create a new topic showing what you have tried.

I found this -

Can you share the blocks as it is a different type of API?