Best Payment API in 2026

import Stripe from 'stripe';

const stripe = new Stripe(process.env.STRIPE_SECRET_KEY!);

const session = await stripe.checkout.sessions.create({
  mode: 'payment',
  line_items: [
    {
      price_data: {
        currency: 'usd',
        product_data: { name: 'My Product' },
        unit_amount: 5000, // $50.00 in cents
      },
      quantity: 1,
    },
  ],
  success_url: 'https://example.com/success',
  cancel_url: 'https://example.com/cancel',
});

console.log(session.url);

import { Client, Environment, OrdersController } from '@paypal/paypal-server-sdk';

const client = new Client({
  clientCredentialsAuthCredentials: {
    oAuthClientId: process.env.PAYPAL_CLIENT_ID!,
    oAuthClientSecret: process.env.PAYPAL_CLIENT_SECRET!,
  },
  environment: Environment.Sandbox,
});

const ordersController = new OrdersController(client);

const { body } = await ordersController.ordersCreate({
  body: {
    intent: 'CAPTURE',
    purchaseUnits: [
      {
        amount: {
          currencyCode: 'USD',
          value: '50.00',
        },
      },
    ],
  },
});

import { Client, Environment } from 'square';

const client = new Client({
  accessToken: process.env.SQUARE_ACCESS_TOKEN!,
  environment: Environment.Sandbox,
});

const { result } = await client.checkoutApi.createPaymentLink({
  idempotencyKey: crypto.randomUUID(),
  quickPay: {
    name: 'My Product',
    priceMoney: {
      amount: BigInt(5000),
      currency: 'USD',
    },
    locationId: process.env.SQUARE_LOCATION_ID!,
  },
});

console.log(result.paymentLink?.url);

import { Environment, Paddle } from '@paddle/paddle-node-sdk';

const paddle = new Paddle(process.env.PADDLE_API_KEY!, {
  environment: Environment.sandbox,
});

const transaction = await paddle.transactions.create({
  items: [
    {
      price_id: 'pri_abc123',
      quantity: 1,
    },
  ],
  checkout: {
    url: 'https://example.com/checkout',
  },
});

console.log(transaction.checkout?.url);

import { lemonSqueezySetup, createCheckout } from '@lemonsqueezy/lemonsqueezy.js';

lemonSqueezySetup({ apiKey: process.env.LEMONSQUEEZY_API_KEY! });

const { data } = await createCheckout(process.env.LEMON_STORE_ID!, process.env.LEMON_VARIANT_ID!, {
  checkoutData: {
    custom: { user_id: 'usr_123' },
  },
});

console.log(data?.data?.attributes?.url);