Next.js Passwordless Authentication with SuperTokens & Twilio

The blog post provides a comprehensive guide on implementing passwordless authentication using SuperTokens and Twilio, along with basic authorization through Permit.io, in a Next.js application. It introduces passwordless authentication as a method to enhance user experience and security by eliminating traditional passwords, relying instead on one-time codes, magic links, or biometric data. SuperTokens is highlighted as an open-source provider simplifying secure authentication with features like passwordless login and session management, while Twilio is used for sending SMS OTPs. The tutorial walks users through setting up a Next.js application, configuring SuperTokens for both frontend and backend, and integrating Twilio for SMS delivery. It further explains how to secure website routes with session verification and restrict access based on user roles using Permit.io's no-code dashboard, emphasizing the importance of authorization in controlling user actions within an application. The post concludes with a practical implementation guide, encouraging developers to explore further with resources like Permit.io for advanced authorization needs.

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