Stripe

Keywords: stripe,payment,api

Stripe is the leading payment processing API enabling businesses to accept online payments, manage subscriptions, and handle complex financial operations programmatically, trusted by hundreds of thousands of companies to process $1 trillion+ in transactions annually.

What Is Stripe?

• Definition: Payments infrastructure for the internet.
• Core Function: Accept payments, manage billing, handle payouts.
• Foundation: Full payment stack (processing, fraud, financial ops).
• Global: 135+ currencies, 45+ countries, 12M+ merchants.
• Developer-Focused: Excellent API, SDKs, documentation.

Why Stripe Matters

• Completeness: Single API for payments, subscriptions, invoicing
• Developer Experience: Well-designed API, excellent docs
• Global Scale: Works worldwide with local payment methods
• Trust: PCI Level 1, SOC 2, constantly audited
• Fraud Prevention: Machine learning-powered detection
• Community: Largest ecosystem of payment tools
• Speed: Setup account and start accepting payments in hours

Key Products

Stripe Payments (One-Time Payment):

const paymentIntent = await stripe.paymentIntents.create({
  amount: 2000,  // $20.00
  currency: "usd",
  payment_method_types: ["card"]
});

Use cases: E-commerce purchases, SaaS subscriptions, donations

Stripe Billing (Recurring):

const subscription = await stripe.subscriptions.create({
  customer: "cus_abc123",
  items: [{price: "price_xyz"}]
});

Use cases: SaaS, subscriptions, memberships

Stripe Connect (Marketplace):

const account = await stripe.accounts.create({
  type: "express",
  country: "US",
  email: "[email protected]"
});

Use cases: Marketplaces, platforms, multi-party payments

Stripe Checkout (Pre-Built Page):

const session = await stripe.checkout.sessions.create({
  line_items: [{price: "price_xyz", quantity: 1}],
  mode: "payment",
  success_url: "https://example.com/success",
  cancel_url: "https://example.com/cancel"
});

Use cases: Quick payment pages, no custom UI needed

Stripe Invoicing:

• Generate invoices automatically
• Recurring billing management
• Payment reminders
• Reconciliation reports

Stripe Financial Tooling:

• Payouts to bank accounts
• Card issuing
• Treasury products
• Loans for merchants

Implementation Flow

Backend Setup:

const stripe = require("stripe")("sk_test_...");

// Create payment intent
const intent = await stripe.paymentIntents.create({
  amount: 1000,
  currency: "usd",
  payment_method_types: ["card", "apple_pay"]
});

Frontend Handling:

const stripe = Stripe("pk_test_...");
const elements = stripe.elements();
const cardElement = elements.create("card");
cardElement.mount("#card-element");

// Confirm payment
const {error} = await stripe.confirmCardPayment(intent.client_secret, {
  payment_method: {card: cardElement}
});

Webhook Processing:

app.post("/webhook", async (req, res) => {
  const sig = req.headers["stripe-signature"];
  const event = stripe.webhooks.constructEvent(
    req.body, sig, webhookSecret
  );
  
  if (event.type === "payment_intent.succeeded") {
    // Fulfill order
    await fulfillOrder(event.data.object);
  }
  
  res.json({received: true});
});

Pricing Model

Standard Rates:

• 2.9% + $0.30 per successful card charge (US)
• No setup fees, no monthly fees
• International cards: +1% additional
• Currency conversion: +1% additional

Examples:

• $10 transaction = $0.59 fee
• $100 transaction = $3.20 fee
• $1000 transaction = $29.30 fee

Volume Discounts:

• Large merchants negotiate custom rates
• Enterprise: Custom pricing with SLA

Payment Methods Supported

Cards:

• Visa, Mastercard, Amex, Discover
• Debit cards

Digital Wallets:

• Apple Pay, Google Pay
• Alipay, WeChat Pay

Bank Transfers:

• ACH (US), SEPA (EU), Bacs (UK)
• iDEAL, Bancontact

Regional Methods:

• Klarna (Sweden, Germany)
• EPS (Austria)
• Giropay (Germany)
• And 50+ more

Use Cases

E-Commerce Stores:

• Checkout integration
• Order management
• Refunds and disputes

SaaS & Subscriptions:

• Recurring billing
• Usage-based pricing
• Dunning (retry failed payments)

Marketplaces:

• Connect for seller payouts
• Escrow for transactions
• Separate account management

Crowdfunding:

• Campaign payments
• Refund management
• Goal tracking

On-Demand Services:

• Uber-style apps
• Real-time settlements
• Tip handling

Nonprofits:

• Donation processing
• Lower rates for nonprofits
• Recurring donor management

Security & Compliance

• PCI DSS Level 1: Highest security standard
• Tokenization: Never store raw card data
• 3D Secure: Additional authentication when needed
• Radar: ML-powered fraud detection
• Encryption: SSL/TLS for all data transmission
• SOC 2 Type II: Third-party audited annually
• GDPR Compliant: Respect user privacy

Stripe vs Alternatives

Best Practices

1. Webhook Reliability: Always handle webhook retries 2. Idempotency: Use idempotent keys for retry safety 3. Error Handling: Implement proper error recovery 4. Testing: Use test mode before production 5. PCI Compliance: Never handle raw card data 6. Monitoring: Monitor webhook delivery and payment status 7. Documentation: Document your payment flow 8. Customer Communication: Clear payment status messaging

Integration Patterns

E-Commerce Workflow: 1. Shopping cart built 2. Checkout page created 3. Create payment intent 4. Collect payment 5. Fulfill order via webhook 6. Send confirmation

Subscription Setup: 1. Create customer 2. Create subscription with price 3. Attach payment method 4. Handle status changes 5. Manage billing issues

Marketplace Payout: 1. Collect payment from buyer 2. Hold funds temporarily (escrow) 3. Order fulfilled 4. Transfer to seller's Stripe account 5. Seller receives payout to bank

Common Integration Patterns

• Next.js + Stripe: Frontend checkout
• Node + Express + Stripe: Backend billing
• Vercel + Stripe Webhook: Serverless workflow
• Zapier + Stripe: Automate Stripe workflows

Stripe is the gold standard for online payments — combining developer-friendly APIs, world-class security, global reach, and excellent documentation to make payments the easiest part of your product.

Source: ChipFoundryServices — Search this topic — Ask CFSGPT