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generateSignInWithEmailLink is still dependant on Dynamic Links

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#2,931 2 comments 4 reactions 2 assignees View on GitHub

@pashanka is already working on this.

Since Dec 11, 2025.

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Description

api: auth
[REQUIRED] Step 2: Describe your environment
  • Operating System version: N/A
  • Firebase SDK version: 13.4.0
  • Firebase Product: auth
  • Node.js version: N/A
  • NPM version: N/A
[REQUIRED] Step 3: Describe the problem

In the latest Admin SDK (13.4.0) version generateSignInWithEmailLink appears to still be dependant on Dynamic Links and actionCodeSettings.linkDomain doesn't seem to be doing anything.

When I use the method in a Firebase project with Dynamic Links set up, the generated link follows the https://<name>.page.link?... format.

And when I try and use in in a project with Dynamic Links not set up, I get the following error:

FirebaseAuthError: FDL domain is not configured Raw server response: "{"error":{"code":400,"message":"DYNAMIC_LINK_NOT_ACTIVATED : FDL domain is not configured","errors":[{"message":"DYNAMIC_LINK_NOT_ACTIVATED : FDL domain is not configured","domain":"global","reason":"invalid"}]}}"
Dominant language
TypeScript
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Merged PRs (30d)
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