> For the complete documentation index, see [llms.txt](https://docs.smartfastpay.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.smartfastpay.com/thesmartway.md).

# THESMARTWAY

- [Checkout Experience](https://docs.smartfastpay.com/thesmartway/checkout-experience.md)
- [Old Overview](https://docs.smartfastpay.com/thesmartway/checkout-experience/old-overview.md): Use the Checkout API for a secure checkout via SmartFastPay. It auto-presents relevant payment types to shoppers, easing purchase with methods like Bank Transfer, PIX, PSE, Deuna and more.
- [Overview](https://docs.smartfastpay.com/thesmartway/checkout-experience/overview.md): Use the Checkout API to generate a secure payment page via SmartFastPay.
- [API Requests](https://docs.smartfastpay.com/thesmartway/api-requests.md)
- [Transactions](https://docs.smartfastpay.com/thesmartway/api-requests/transactions.md): Call the Payments API to request transactions via bank transfer or pix.
- [Country Codes](https://docs.smartfastpay.com/thesmartway/api-requests/country-codes.md)
- [Currency Codes](https://docs.smartfastpay.com/thesmartway/api-requests/currency-codes.md)
- [Document Types](https://docs.smartfastpay.com/thesmartway/api-requests/document-type.md): An API to help you get information about the types of documents allowed for the country you want to work.
- [List Bank Codes](https://docs.smartfastpay.com/thesmartway/api-requests/list-bank-codes.md): An API to help you get information about the list of banks allowed for the country you want to work.
- [Wallet](https://docs.smartfastpay.com/thesmartway/api-requests/wallet.md): Call the Wallet API to request balance wallet.
- [Our Status and Flow](https://docs.smartfastpay.com/thesmartway/api-requests/status-flow.md)
- [Notification & Webhooks](https://docs.smartfastpay.com/thesmartway/notification-and-webhooks.md)
- [Notifications](https://docs.smartfastpay.com/thesmartway/notification-and-webhooks/notification.md): Our APIs use webhooks for event notifications. Webhooks are push API calls that let your app know an event has happened.
- [Get Secret](https://docs.smartfastpay.com/thesmartway/notification-and-webhooks/secret.md): Get the secret to use in Webhook Signature.
- [Events Signature](https://docs.smartfastpay.com/thesmartway/notification-and-webhooks/signature.md)