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xAI Grok — sign in with your subscription

Use Grok in Flowly with your existing SuperGrok or X Premium+ subscription instead of pasting an xAI API key. Sign in once in the browser; Flowly keeps the session alive.

What you get

  • Grok models (e.g. grok-4.3) driven by your subscription — no API key, no per-token billing.
  • A background-refreshed session: sign in once, stay signed in until you sign out.
  • A live x_search tool that searches current X (Twitter) posts through Grok.

Requirements

  • An active SuperGrok subscription, or an X Premium+ subscription on the X account you sign in with.
  • A browser on the machine (or use the manual-paste flow on a headless box).
Nothing to configure

There's no client key or app registration to set up — Flowly handles the OAuth client for you. Pick the provider and go.

Sign in

From the terminal UI

1

Open the provider picker

Type /provider in chat and select xAI Grok.

2

Approve in the browser

Press Enter on the xAI Grok row — your browser opens to xAI's sign-in page. Approve access and return to Flowly.

3

Start chatting

Flowly picks a Grok model and connects. The token refreshes in the background, so you stay signed in.

From the CLI

bash
flowly xai login     # opens the browser (or --manual-paste on a headless box)
flowly xai status    # check connection + token expiry
flowly xai test      # validate the token against xAI

Live X (Twitter) search

Signing in unlocks x_search — the agent can pull current X posts straight through Grok: recent posts from a specific handle, time-bounded searches, or X-grounded answers, with citations back to the source posts. Just ask:

  • "What's @elonmusk posted about Grok this week?"
  • "What are people on X saying about the new release?"

It appears the moment you sign in and disappears when you sign out — no restart needed.

Sign out

In the provider picker, highlight xAI Grok and press X. Or from the CLI:

bash
flowly xai logout

Troubleshooting

“Authenticated, but not entitled” (HTTP 403)

Sign-in worked, but xAI hasn't granted your account access to this surface. Make sure your SuperGrok / X Premium+ subscription is active. xAI controls this allowlist; if it rejects you, use an xAI API key (the xai provider) instead.

Browser shows “couldn’t reach your app”

On older builds the consent page couldn't confirm the local sign-in and showed a "paste the code" fallback. Update to the latest Flowly — the sign-in listener now confirms automatically.

Works in the terminal but not the desktop app

Sign-in is done from the terminal UI / CLI. If the desktop app still shows the old provider after you sign in, restart it so its bundled agent picks up the change.

Next steps

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