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Testing Next.js Passwordless Magic Link Authentication with Temp-Mail.im

A practical guide for Next.js and NextAuth / Auth.js developers testing passwordless magic link authentication in local staging.

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Written by Temp-Mail.im Privacy & Research Team Verified for accuracy & technical security standards

Streamlining Next.js Authentication Testing

Developing modern Next.js web applications with Auth.js or Supabase magic links requires verifying that callback tokens generate properly and authenticate users into their dashboard session.

The Real-Time Next.js Testing Flow

Using Temp-Mail.im, developers receive authentication links in under 2 seconds, allowing them to test full login and session persistence flows in staging without creating real accounts.

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