Here are the classes, structs, unions and interfaces with brief descriptions:

[detail level 12345]

Orbipay
PaymentsApi
Client
Api
ICustomerAccountApi
CustomerAccountApi	Represents a collection of functions to interact with the API endpoints
ICustomerApi
CustomerApi	Represents a collection of functions to interact with the API endpoints
IFundingAccountApi
FundingAccountApi	Represents a collection of functions to interact with the API endpoints
IPaymentApi
PaymentApi	Represents a collection of functions to interact with the API endpoints
IPaymentAuthorizationApi
PaymentAuthorizationApi	Represents a collection of functions to interact with the API endpoints
IPaymentSetupApi
PaymentSetupApi	Represents a collection of functions to interact with the API endpoints
IRefundApi
RefundApi	Represents a collection of functions to interact with the API endpoints
Client
ApiClient
ApiException
ApiResponse< T >
Configuration
GlobalConfiguration
IApiAccessor
IReadableConfiguration
SwaggerDateConverter
Handlers
AddFundingAccountHandler
CancelPaymentAuthorizationHandler
CreateCustomerHandler
CreatePaymentAuthorizationHandler
CreatePaymentHandler
CreateRecurringPaymentSetupHandler
CreateRefundHandler
DeleteFundingAccountHandler
DeletePaymentHandler
DeletePaymentSetupHandler
DeleteRecordPaymentHandler
GetCustomerAccountHandler
GetCustomerHandler
GetFundingAccountHandler
GetPaymentHandler
GetPaymentSetupHandler
GetRefundHandler
RecordPaymentHandler
RenewCustomerAccountHandler
ReplaceFundingAccountHandler
RetrieveCustomerAccountsHandler
RetrieveCustomerAccountsPageHandler
RetrieveCustomersHandler
RetrieveCustomersPageHandler
RetrieveFeePaymentHandler
RetrieveFundingAccountsHandler
RetrieveFundingAccountsPageHandler
RetrievePaymentSetupsHandler
RetrievePaymentsHandler
RetrieveRefundsHandler
SimplePaymentHandler
UpdateCustomerHandler
UpdateFundingAccountHandler
UpdatePaymentHandler
UpdatePaymentSetupHandler
Models
AddFundingAccountRequest
AddressVo
AuditInfoVo
CancelPaymentAuthorizationRequest
CreateCustomerAccountRequest
CreateCustomerRequest
CreatePaymentAuthorizationRequest
CreatePaymentRequest
CreatePaymentSetupRequest
CreateRefundRequest
CustomerAccountMinimalRequest
CustomerAccountRequest
CustomerAccountResponse
CustomerAccountSnapshotResponse
CustomerAccountsResponse
CustomerMinimalRequest
CustomerResponse
CustomersCustomerAccountsResponse
CustomersFundingAccountsResponse
CustomerSnapshotResponse
CustomersPaymentSetupsResponse
CustomersPaymentsResponse
CustomersResponse
DeleteFundingAccountRequest
DeletePaymentRequest
DeletePaymentSetupRequest
DeleteRecordedPaymentRequest
DeleteResponse
ErrorResponseVo
ErrorVo
FeeRefundRequest
FeeRefundResponse
FeeRequest
FeeResponse
FundingAccountAddress
FundingAccountMinimalRequest
FundingAccountResponse
FundingAccountResponseCgen
FundingAccountSnapshotResponse
FundingAccountsResponse
GetRecordedPaymentResponse
PaymentAuthCustomerAccountRequest
PaymentAuthCustomerAccountResponse
PaymentAuthCustomerRequest
PaymentAuthCustomerResponse
PaymentAuthFundingAccountRequest
PaymentAuthFundingAccountResponse
PaymentAuthorizationMinimalRequest
PaymentAuthorizationResponse
PaymentAuthorizationSnapshotResponse
PaymentNetworkResponseVo
PaymentResponse
PaymentResponseCgen
PaymentScheduleMinimalRequest
PaymentScheduleVo
PaymentSetupFeeRequest
PaymentSetupResponse
PaymentSetupResponseCgen
PaymentSetupsResponse
PaymentsResponse
RecordedPaymentFundingAccount
RecordedPaymentResponse
RecordedPaymentsResponse
RecordPaymentCustomerAccountRequest
RecordPaymentCustomerRequest
RecordPaymentRequest
RefundResponse
RefundsResponse
RenewCustomerAccountRequest
ReplaceFundingAccountRequest
ResourceAuditVo
SimplePaymentCustomerAccountRequest
SimplePaymentCustomerRequest
SimplePaymentCustomerResponse
SimplePaymentFundingAccountRequest
SimplePaymentRequest
SimplePaymentResponse
SimplePaymentResponseCgen
SourcePayment
SourcePaymentCustomer
SourcePaymentCustomerAccount
UpdateCustomerAccountRequest
UpdateCustomerRequest
UpdateFundingAccountRequest
UpdatePaymentFundingAccountMinimalRequest
UpdatePaymentRequest
UpdatePaymentSetupRequest
Wrappers
Address
AuditInfo
Base
Customer
CustomerAccount
CustomerAccounts
Customers
Error
ErrorResponse
Fee
FeePayment
FeeRefund
FundingAccount
FundingAccounts
InvocationContext
Payment
PaymentAuthorization
PaymentNetworkResponse
Payments
PaymentSchedule
PaymentSetup
PaymentSetups
RecordedPayment
RecordedPayments
Refund
Refunds
ResourceAudit
SimplePayment
SourcePayment
CommonUtil
MultiMap< V >
OrbipayApiException