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When I use generateEmailVerificationLink , I want to notice the link expiration date to user.

But I couldn't find the document...

Frank van Puffelen
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1 Answers1

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After quite some research I've managed to find out the following:

Password reset (generatePasswordResetLink): 1 hour
Email verification (generateEmailVerificationLink): 3 days
Email link sign-in (generateSignInWithEmailLink): 6 hours

This is still not in the official Firebase documentation and may a subject to change in the future.

Here is the source I found: Firebase Admin Auth Link Expiration Times

Plamen Nikolov
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  • Thank you for your answer! Actually, I know the site. But I doubted whether the information was genuine... The site seems to be reliable, so I will develop it with the information you gave me. – Kurogoma939 Nov 01 '22 at 05:42