Identity management and authentication platform Auth0 has raised $55 million in a series D round of funding led by Sapphire Ventures, with participation from Bessemer Venture Partners, Trinity Ventures, Meritech Capital, K9 Ventures, and World Innovation Lab.

Founded in 2013, Auth0 offers a platform that helps any third-party website or application securely verify users and enable them to log in and access their online accounts — with support for single sign on (SSO), multifactor authentication, passwordless logins, social logins, and more. Ultimately, it’s about sidestepping the arduous process of having to integrate with multiple identity providers — Auth0 promises to take care of it all.

The platform also offers features such as Rules, customizable code that allows developers and companies to stipulate exactly how people access a specific online system. For example, an enterprise may restrict logins to people who live in a certain region, or limit access to weekdays.

The Bellevue, Washington-based startup claims a number of high-profile clients, including Mozilla, Atlassian, Nvidia, VMware, AMD, and the Financial Times, and said that it authenticates more than 1.5 billion user logins each month.

Prior to now, Auth0 had raised around $54 million, and with double that under its belt the company now plans to drive its global expansion and build out its product roadmap.

“We are humbled by the support from our investors and emboldened in our mission to provide the most extensible, powerful, and easy-to-use identity management solution available,” said Auth0 CEO and cofounder…