If you want to open external links from within the iFrame, you can use the openExternalLinks function. This will close your app and move to a new website.
This, in combination with getRedirectUrl can be used to initiate OAuth flows.

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Usage

This function requires the iFrame SDK to be initialized. See iFrame Overview for more information.
"use client";
import { useCallback } from "react";
import { WhopApp } from "@/lib/iframe";

export default function Home() {
  const openLink = useCallback(async () => {
    await WhopApp.openExternalUrl({ url: "https://google.com" });
  }, []);

  return <button onClick={openLink}>Click me to open Google</button>;
}