Integrate Anthropic (Claude) with Auth0

The complete guide to connecting Anthropic (Claude) and Auth0 in Next.js 15.

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Anthropic (Claude) + Auth0
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Pre-configured Anthropic (Claude) & Auth0 SDKs.

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AI Architecture Guide

Technical Blueprint for integrating Next.js 15 (App Router) with Stripe SDK (v18.x+) using React 19 Server Actions and the 'useActionState' hook. This architecture leverages the 2026 stable patterns for asynchronous request handling, ensuring type-safe payment processing and idempotent checkout session creation within a serverless edge environment.

lib/integration.ts

1import { stripe } from '@/lib/stripe';
2import { redirect } from 'next/navigation';
3
4interface CheckoutState {
5  error: string | null;
6  url: string | null;
7}
8
9export async function createCheckoutSession(prevState: CheckoutState, formData: FormData): Promise<CheckoutState> {
10  'use server';
11
12  const priceId = formData.get('priceId') as string;
13
14  try {
15    const session = await stripe.checkout.sessions.create({
16      line_items: [{ price: priceId, quantity: 1 }],
17      mode: 'subscription',
18      success_url: `${process.env.NEXT_PUBLIC_APP_URL}/success?session_id={CHECKOUT_SESSION_ID}`,
19      cancel_url: `${process.env.NEXT_PUBLIC_APP_URL}/pricing`,
20      metadata: { userId: 'user_2026_id' },
21    });
22
23    if (!session.url) throw new Error('Session creation failed');
24    
25    redirect(session.url);
26  } catch (err) {
27    return { error: err instanceof Error ? err.message : 'Unknown error', url: null };
28  }
29}

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