Auth

import { sdk } from '@farcaster/miniapp-sdk';

// Make authenticated request (recommended)
const res = await sdk.quickAuth.fetch('/api/auth');

// Or get token directly
const { token } = await sdk.quickAuth.getToken();

npm install @farcaster/quick-auth

// app/api/auth/route.ts
import { createClient } from '@farcaster/quick-auth';
import { NextRequest, NextResponse } from 'next/server';

const client = createClient();

export async function GET(request: NextRequest) {
  const auth = request.headers.get('Authorization');
  if (!auth?.startsWith('Bearer ')) {
    return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
  }

  try {
    const payload = await client.verifyJwt({
      token: auth.split(' ')[1],
      domain: 'your-domain.com',
    });
    return NextResponse.json({ fid: payload.sub });
  } catch {
    return NextResponse.json({ error: 'Invalid token' }, { status: 401 });
  }
}