I guess I don't know what would be considered expensive here, but when I reached out, they said that their base plans starting at < $1000 / month and gets you about 1 million verifications a year. Again, not being familiar with this fraud space I am not sure if that is expensive or not.
I'll look into those other platforms, but they look exclusively like email only checks though, ya? I have email, but also phone / name for my platform.