Flutter

Reference for Tonder's Flutter SDK methods (iOS and Android): the InlineCheckout class (Full) and the LiteCheckout class (Lite, tonder_sdk_lite package). Requires Skyflow Maven configuration.

InlineCheckout (Full)

Core methods

Method	Description
`new InlineCheckout(..)`	Initializes the SDK with configuration (`apiKeyTonder`, `returnUrl`, etc.).
`setPaymentData(data)`	Loads the customer data (name, email, etc.) into the instance.
`setCartTotal(total)`	Sets the total amount for the transaction.
`injectCheckout()`	Renders the pre-built checkout UI.

`InlineCheckout` constructor

Parameter	Type	Description
`apiKeyTonder`	String	Your Tonder API key for authentication.
`returnUrl`	String	Redirect URL after payment completion.
`successUrl`	String	URL for successful payment redirects.
`renderPaymentButton`	bool	Whether to show the SDK's built-in payment button.

InlineCheckout(
  apiKeyTonder: "YOUR_API_KEY",
  returnUrl: "https://your-app.com/return",
  successUrl: "https://your-app.com/success",
  renderPaymentButton: false,
)

`setPaymentData(data)`

Configures the customer information used during the payment.

final customerData = {
  'first_name': 'Juan',
  'last_name': 'Pérez',
  'email': 'juan.perez@example.com'
};
_fullPlugin!.setPaymentData(customerData);

LiteCheckout (Lite)

Build your own payment UI while Tonder tokenizes sensitive card data.

Method	Description
`new LiteCheckout(..)`	Initializes the SDK with configuration (`apiKey`, `returnUrl`).
`configureCheckout(..)`	Configures the customer email and the `secureToken` for card management.
`setPaymentData(data)`	Loads the customer data (name, email, etc.) into the instance.
`setCartTotal(total)`	Sets the total amount for the transaction.
`payment(cardData)`	Processes a payment with card data from your custom form.
`saveCustomerCard(cardData)`	Tokenizes and saves a customer's card for future use.
`getCustomerCards()`	Retrieves all saved cards for the customer.
`removeCustomerCard(cardId)`	Removes a saved card by its ID.

`LiteCheckout` constructor

Parameter	Type	Description
`apiKey`	String	Your Tonder API key for authentication.
`returnUrl`	String	URL where users are redirected after payment completion.

LiteCheckout(
  apiKey: "YOUR_API_KEY",
  returnUrl: "YOUR_RETURN_URL",
)

`configureCheckout(..)`

Sets the customer email and the secureToken required for card management operations.

_liteCheckout.configureCheckout(
  customerEmail: 'customer@example.com',
  secureToken: 'SECURE_TOKEN_FROM_BACKEND',
);

`payment(cardData)`

final cardData = {
  'card_number': '4111111111111111',
  'cardholder_name': 'John Doe',
  'expiration_month': '12',
  'expiration_year': '25',
  'cvv': '123',
};

final response = await _liteCheckout.payment(cardData);

`saveCustomerCard(cardData)` / `getCustomerCards()` / `removeCustomerCard(cardId)`

// Save a card
final response = await _liteCheckout.saveCustomerCard(cardData);

// Retrieve saved cards
final cards = await _liteCheckout.getCustomerCards();

// Remove a saved card
await _liteCheckout.removeCustomerCard('card_abc123');