- API & Docs
Duo Security is the easiest two-factor authentication service to deploy, administer, and use. Duo's service can be set up in as little as 15 minutes, and used immediately by anyone with a phone. Over 1,000 organizations in over 80 countries rely upon Duo to prevent online account takeover and data theft. Backed by Google Ventures and True Ventures, Duo has been deployed by some of the most security-conscious organizations on the planet along with 3 of the top 5 social networks.