| LineItem.Role | Role of a line item. |
| NotifyTransactionStatusRequest.Status | Status received from processing a ProxyCard. |
| NotifyTransactionStatusRequest.Status.Error | Failure statuses received from processing a ProxyCard. |
| Payments | Entry point for interacting with Wallet buyflow APIs. |
| Cart | Parcelable representing a shopping cart. |
| Cart.Builder | Builder to create a Cart. |
| CountrySpecification | Parcelable representing a country. |
| EnableWalletOptimizationReceiver | This class is deprecated. No longer supported. |
| FullWallet | Parcelable representing a full wallet response. |
| FullWalletRequest | Parcelable representing a full wallet request. |
| FullWalletRequest.Builder | Builder to create a FullWalletRequest. |
| GiftCardWalletObject | Parcelable representing a gift card wallet object. |
| InstrumentInfo | Parcelable representing more detailed information about a payment instrument. |
| LineItem | Parcelable representing a line item in a shopping cart. |
| LineItem.Builder | Builder to create a LineItem. |
| LoyaltyWalletObject | Parcelable representing a loyalty wallet object. |
| MaskedWallet | Parcelable representing a masked wallet response. |
| MaskedWallet.Builder | Builder to create a MaskedWallet. |
| MaskedWalletRequest | Parcelable representing a masked wallet request. |
| MaskedWalletRequest.Builder | Builder to create a MaskedWalletRequest. |
| NotifyTransactionStatusRequest | This class is deprecated. No longer supported. |
| NotifyTransactionStatusRequest.Builder | Builder to create a NotifyTransactionStatusRequest. |
| OfferWalletObject | Parcelable representing an offer wallet object. |
| PaymentInstrumentType | Payment instrument types that a merchant can support. |
| PaymentMethodToken | Parcelable representing payment method token. |
| PaymentMethodTokenizationParameters | Tokenization parameters passed by the integrator used to tokenize the credit card selected by the user. |
| PaymentMethodTokenizationParameters.Builder | Builder to create a PaymentMethodTokenizationParameters. |
| PaymentMethodTokenizationType | Payment method tokenization types. |
| ProxyCard | This class is deprecated. No longer supported. |
| Wallet | The main entry point for Google Wallet integration. |
| Wallet.WalletOptions | Options for using the Wallet API. |
| Wallet.WalletOptions.Builder | Wallet builder. |
| WalletConstants | Collection of constant values used by the ClientLibrary. |