iOS Library

/// Prepare required configuration
let config = GpApiConfig (
appId: "Your application ID",
appKey: "Your application key"
)

/// Add config to container
try ServicesContainer.configureService(config: config)

/// Prepare card
let card = CreditCardData()
card.number = "4111111111111111"
card.expMonth = 12
card.expYear = 2025
card.cvn = "123"
card.cardHolderName = "Joe Smith"

// Execute operation
card.charge(amount: 19.99)
    .withCurrency("USD")

.execute { transaction, error in
     // Handle transaction response or error
}

card.charge(amount: 19.99)
    .withCurrency("USD")
    .withAddress(address)
.execute { transaction, error in
     if let error = error as? BuilderException {
         // handle builder errors
     } else if let error = error as? ConfigurationException {
         // handle errors related to your services configuration
     } else if let error = error as? GatewayException {
         // handle gateway errors/exceptions
     } else if let error = error as? UnsupportedTransactionException {
         // handle errors when the configured gateway doesn't support desired transaction
     } else if let error = error as? ApiException {
         // handle all other errors
     }
}