Identity Toolkit API config returns "CONFIGURATION_NOT_FOUND"

Question

I am trying to enable Firebase Authentication in my project, and to add Phone Auth to it, via API (without using the GUI console).

I am using the Service Usage API in order to enable Identity Toolkit, and then trying to use Identity Toolkit API in order to add the Phone Auth.

I am enabling Identity Toolkit via the Service Usage API like this (POST request):

URL:

https://serviceusage.googleapis.com/v1/projects/MY_GCP_PROJ/services:batchEnable

Body:

{
  "serviceIds": ["identitytoolkit"]
}

And indeed, after running this request I see in GCP console that Identity Toolkit has been enabled.

After that, I try to update the config using Identity Toolkit API, like this (PATCH request):

URL:

https://identitytoolkit.googleapis.com/v2/projects/MY_GCP_PROJ/config?updateMask=signIn

Body:

{
    "signIn": {
        "phoneNumber": {
            "enabled": true,
            "testPhoneNumbers": {
                "+11111111111": "123456",
            }
        },
    }
}

But for some reason, I receive an error saying:

{
    "error": {
        "code": 404,
        "message": "CONFIGURATION_NOT_FOUND",
        "status": "NOT_FOUND"
    }
}

I can't understand why the Identity Toolkit API cannot find the configuration and update it as specified.

Does anyone know how it can be solved?

Thank you

Answer 1

I spent days config Firebase Auth without using Web UI :). Even checking the GCP audit log to see what backend call enables Firebase Auth.

However, I could not find the CreateConfig method at https://cloud.google.com/identity-platform/docs/reference/rest.

I tried this method and things work. https://cloud.google.com/identity-platform/docs/reference/rest/v2/projects.identityPlatform/initializeAuth

curl --request POST \
  --url "https://identitytoolkit.googleapis.com/v2/projects/$ENV_GCP_PROJECT_ID/identityPlatform:initializeAuth" \
  --header "Authorization: Bearer $TOKEN" \
  --header 'Content-Type: application/json' \
  --header "X-Goog-User-Project: $ENV_GCP_PROJECT_ID"

But the result is the new Identity Platform will be used instead of the old Identity Toolkit.

Looking at pricing, it seems (a bit) more expensive https://firebase.google.com/pricing. I personally will use the new one (as Google is pushing it :). Hope this answer somehow helps (or anyone can find the REST call to enable auth for the old Identity Toolkit)