#1

Reposting from here since I didn’t get any reply.

I am using OAuth2 with PKCE tokens for authentication with the Twitter API v2. Works fine, and when I go to another device and try to authenticate (same Developer App, same Twitter account), it also works and I can access Twitter API from the other device. However, apparently this immediately renders the credentials from the first device invalid: cannot fetch token: 400 Bad Request.

I can go back and forth if I re-authenticate, but I can’t use both simultaneously without re-authenticating.

So I seem to only be able to use the Twitter API from one device at a time. How can I successfully authenticate a user across multiple devices without invalidating previous devices?

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