Validating was really easy. I am really active on Twitter and saw loads of people complain about terrible APIs offered by some tools and the ridiculous pricing

Validating was really easy. I am really active on Twitter and saw loads of people complain about terrible APIs offered by some tools and the ridiculous pricing of others. + I also had this problem myself so I knew it was a big point of frustration. I had pretty much validated the idea before creating the MVP!