I like validto.in for its accuracy, fast processing, and simple interface. It makes email verification quick and reliable, which really improves my campaign performance. The initial setup was very easy and straightforward. I was able to start verifying emails within minutes without any technical issues. Review collected by and hosted on G2.com.

Honestly, I haven't faced any major issues so far. It works smoothly for my needs, but adding more integrations and reporting features could make it even better. Review collected by and hosted on G2.com.