Implementacao de Stripe Checkout com Claude Code
Aprenda sobre stripe checkout implementation usando o Claude Code. Dicas praticas e exemplos de codigo incluidos.
Stripe Checkout実装をClaude Codeで効率化する
Stripe Checkoutはホスト型の決済UIで、PCI DSS準拠の手間を最小限に抑えながら安全な決済を実装できます。Claude Codeを使えば、複雑な決済フローの構築もスムーズに進められます。
Checkout セッションの作成
> Stripe Checkoutセッションを作成するAPIを実装して。
> 単品購入とサブスクリプション両方に対応して。
// src/api/checkout.ts
import Stripe from 'stripe';
const stripe = new Stripe(process.env.STRIPE_SECRET_KEY!, {
apiVersion: '2024-12-18.acacia',
});
// 単品購入のCheckoutセッション
export async function createCheckoutSession(
priceId: string,
customerId?: string
) {
const session = await stripe.checkout.sessions.create({
mode: 'payment',
payment_method_types: ['card'],
customer: customerId,
line_items: [
{
price: priceId,
quantity: 1,
},
],
success_url: `${process.env.APP_URL}/success?session_id={CHECKOUT_SESSION_ID}`,
cancel_url: `${process.env.APP_URL}/cancel`,
metadata: {
source: 'web',
},
});
return session;
}
// サブスクリプションのCheckoutセッション
export async function createSubscriptionSession(
priceId: string,
customerId?: string
) {
const session = await stripe.checkout.sessions.create({
mode: 'subscription',
payment_method_types: ['card'],
customer: customerId,
line_items: [
{
price: priceId,
quantity: 1,
},
],
subscription_data: {
trial_period_days: 14,
metadata: { plan: 'pro' },
},
success_url: `${process.env.APP_URL}/dashboard?session_id={CHECKOUT_SESSION_ID}`,
cancel_url: `${process.env.APP_URL}/pricing`,
});
return session;
}
Webhook処理
> StripeのWebhookを処理するエンドポイントを実装して。
> 署名検証と主要なイベントハンドリングをして。
// src/api/webhook.ts
import Stripe from 'stripe';
const stripe = new Stripe(process.env.STRIPE_SECRET_KEY!);
const webhookSecret = process.env.STRIPE_WEBHOOK_SECRET!;
export async function handleWebhook(
body: string | Buffer,
signature: string
) {
let event: Stripe.Event;
try {
event = stripe.webhooks.constructEvent(body, signature, webhookSecret);
} catch (err) {
throw new Error(`Webhook signature verification failed`);
}
switch (event.type) {
case 'checkout.session.completed': {
const session = event.data.object as Stripe.Checkout.Session;
await handleCheckoutComplete(session);
break;
}
case 'invoice.payment_succeeded': {
const invoice = event.data.object as Stripe.Invoice;
await handlePaymentSucceeded(invoice);
break;
}
case 'customer.subscription.deleted': {
const subscription = event.data.object as Stripe.Subscription;
await handleSubscriptionCanceled(subscription);
break;
}
default:
console.log(`Unhandled event type: ${event.type}`);
}
return { received: true };
}
async function handleCheckoutComplete(session: Stripe.Checkout.Session) {
const customerId = session.customer as string;
const customerEmail = session.customer_details?.email;
// DBにユーザー情報を保存、メール送信など
console.log(`Checkout completed for ${customerEmail}`);
}
async function handlePaymentSucceeded(invoice: Stripe.Invoice) {
// サブスクリプションの更新処理
console.log(`Payment succeeded: ${invoice.id}`);
}
async function handleSubscriptionCanceled(subscription: Stripe.Subscription) {
// アクセス権の無効化処理
console.log(`Subscription canceled: ${subscription.id}`);
}
フロントエンドの実装
> Next.jsで価格表ページとCheckoutボタンを作って。
// app/pricing/page.tsx
'use client';
import { useState } from 'react';
const plans = [
{ name: 'Basic', price: '¥980/月', priceId: 'price_basic_monthly' },
{ name: 'Pro', price: '¥2,980/月', priceId: 'price_pro_monthly' },
{ name: 'Enterprise', price: '¥9,800/月', priceId: 'price_enterprise_monthly' },
];
export default function PricingPage() {
const [loading, setLoading] = useState<string | null>(null);
const handleCheckout = async (priceId: string) => {
setLoading(priceId);
try {
const res = await fetch('/api/checkout', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ priceId }),
});
const { url } = await res.json();
window.location.href = url;
} catch (error) {
console.error('Checkout error:', error);
} finally {
setLoading(null);
}
};
return (
<div className="grid grid-cols-3 gap-6 max-w-4xl mx-auto p-8">
{plans.map((plan) => (
<div key={plan.priceId} className="border rounded-lg p-6 text-center">
<h3 className="text-xl font-bold">{plan.name}</h3>
<p className="text-3xl font-bold my-4">{plan.price}</p>
<button
onClick={() => handleCheckout(plan.priceId)}
disabled={loading === plan.priceId}
className="bg-indigo-600 text-white px-6 py-2 rounded-lg"
>
{loading === plan.priceId ? '処理中...' : '購入する'}
</button>
</div>
))}
</div>
);
}
Summary
Stripe Checkoutを使えば、安全で高品質な決済体験を素早く構築できます。Claude Codeを活用すれば、WebhookやサブスクリプションなどのStripe固有の実装パターンも効率的に進められます。決済統合の基本やWebhook実装ガイドも参考にしてください。
Stripeの詳細はStripe公式ドキュメントを参照してください。
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Sobre o autor
Masa
Engenheiro apaixonado por Claude Code. Mantém o claudecode-lab.com, uma mídia tech em 10 idiomas com mais de 2.000 páginas.
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