Discord has now officially resolved the issue.

Seems like Discord has partially fixed their issue as their API response times are back to normal. They have not officially fixed it.

We will continue monitor the affected systems.

We’re having some trouble with Discord OAuth login, as it is significantly slower. This is an outage on Discord's end, so we are unable to do anything. We’ll share another update shortly.

Read more: https://discordstatus.com/incidents/73wgk29dznv4