Create token using API with custom claim

[tyf]

Gotcha, thanks for clarifying!

The most straightforward way to get an access token for a user is to use the resource owner password flow against the /oauth/token endpoint of the Authentication API:

https://auth0.com/docs/api/authentication#resource-owner-password

You’ll need to make sure whatever client_id you are setting has the password grant enabled in the application settings in your dashboard (settings → advanced settings → grant types).

You can add custom claims to the token with an Action which will execute when the user logs in:

Adding custom claims to tokens

Problem statement: How do I add custom claims to an Access and/or ID Token with Actions? Solution: Custom claims can be added to an Access/ID Token in a namespaced format by utilizing a Post Login Action. For example: exports.onExecutePostLogin = async (event, api) => { const namespace = 'https://myapp.example.com'; const { favorite_color, preferred_contact } = event.user.user_metadata; if (event.authorization) { // Set claims in ID token api.idToken.setCustomClaim(`${namespace}/favorite_…

Hope this helps!