APIs. xAI docs at docs.x.ai, console and keys at console.x.ai, X API docs at docs.x.com. Allow a few minutes for them to appear on your account, and post in #help if they don't.
Slack. #announcements for event comms, #ask-a-mentor for technical questions, #help for blockers and logistics, #general for memes and everything else.
On site. Office hours run 11:00 AM to 9:00 PM in the mentor area. Bring your laptop, charger, any hardware you need, and photo ID. Lunch, dinner, and snacks are provided.