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When you sign up or log in with email, Lindo.ai sends a 6-digit PIN code to verify your identity.

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How PIN Verification Works

  1. Enter your email address on the login/signup page
  2. Click Continue
  3. Check your email inbox for a message from Lindo.ai
  4. Find the 6-digit PIN code in the email
  5. Enter the PIN on the verification screen
  6. You’re signed in

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PIN Code Details

  • Length: 6 digits
  • Expiration: 10 minutes
  • Case: Numbers only (0-9)

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Didn’t Receive the PIN?

Check spam/junk folder The email might be filtered. Look for an email from Lindo.ai. Wait a moment Email delivery can take 1-2 minutes. Be patient. Request a new PIN Click “Resend code” on the verification screen to get a fresh PIN. Check email address Make sure you entered the correct email address.

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PIN Expired?

If more than 10 minutes passed:
  1. Click “Resend code”
  2. A new PIN will be sent
  3. Use the new PIN (old one is invalid)

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Security

  • Each PIN can only be used once
  • PINs expire after 10 minutes
  • Failed attempts are rate-limited
  • No password is stored—PIN verification is used for every login

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Why PIN Instead of Password?

Lindo.ai uses passwordless authentication:
  • More secure - No password to steal or guess
  • No password resets - Never forget your password
  • Fresh verification - Each login is verified via email

Introduction

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