Each guide is a whole task, start to finish, with code you can paste and run. They use only the endpoints and events the API reference documents.
Take payments
Accept a payment in Next.jsA payment link per order, a redirect, and a verified webhook that marks it paid.Verify webhooksExpress, Next.js, Flask, FastAPI and PHP handlers that check the signature on the raw body.Issue refunds safelyRefunds that happen exactly once, with retries and approvals.Take USDC and USDTSwitch stablecoins on and keep each transaction with its order.
Bill
Sell subscriptionsPlans, coupons, plan changes and access kept in step by webhook.Bill usage with metersSend usage in safe batches and show customers what they've used.
Money and books
Reconcile payouts nightlyA day's payments, refunds and payouts as a CSV, checked against your bank.Sync to QuickBooks or XeroHow each payment, fee, refund and payout posts to your books, automatically.
Move and connect
Switch from StripeImport your catalog and customers and move subscribers without double charges.Import from ShopifyProducts and variants, customers and discount codes, with read-only access.Import from WooCommerceProducts and variations, customers and coupons, with a read-only key.Import from SquareYour item catalog and customer directory, with an access token.Import a CSV fileCustomers or products from any spreadsheet, or a Wix, Squarespace or Etsy export.ShopifyCard payments at your Shopify checkout (waiting for Shopify's approval).WooCommerceThe plugin: an API key, a signed webhook, refunds from orders.ZapierNo-code automations on payments, invoices and customers (coming soon).