Is there an age requirement to participate? Rosie October 03, 2018 14:32 Follow Yes. You must be at least 18 years old to sign up. Related articles I'm trying to sign up and the website is not letting me enter my country. Why? What is Vindale Research? Does it cost anything to sign up for Vindale? What are my payment options? I have more than $50 in my account. Will I receive my entire balance? Comments 0 comments Article is closed for comments.