# Google Standard Payments Payment Integrator Hosted e-Wallets API

This includes services hosted by Payment Integrators for e-Wallets.

- [REST Resource: integrator-base-path.e-wallets-v1](https://developers.google.com/pay/e-wallets-v1/payment-integrator-e-wallets-api#integrator-base-path.e-wallets-v1)
- [REST Resource: integrator-base-path.e-wallets-v1.createMandate](https://developers.google.com/pay/e-wallets-v1/payment-integrator-e-wallets-api#integrator-base-path.e-wallets-v1.createMandate)

To call this service, we recommend that you use the Google-provided [client libraries](https://cloud.google.com/apis/docs/client-libraries-explained). If your application needs to use your own libraries to call this service, use the following information when you make the API requests.

### Discovery document

A [Discovery Document](https://developers.google.com/discovery/v1/reference/apis) is a machine-readable specification for describing and consuming Google Standard Payments APIs. It is used to build client libraries, IDE plugins, and other tools that interact with Google APIs. This service provides the following discovery document:

- [/pay/e-wallets-v1/payment-integrator-e-wallets-api/open-api-spec.json](https://developers.google.com/static/pay/e-wallets-v1/payment-integrator-e-wallets-api/open-api-spec.json)

### Service endpoint

A [service endpoint](https://cloud.google.com/apis/design/glossary#api_service_endpoint) is a base URL that specifies the network address of an API service. One service might have multiple service endpoints. This service has the following service endpoint and all URIs below are relative to this service endpoint:

- `https://www.integratorhost.example.com/integrator-base-path`

| Methods ||
|---|---|
| `https://developers.google.com/pay/e-wallets-v1/payment-integrator-e-wallets-api/associateAccount` | `POST /e-wallets-v1/associateAccount` Associates the customer's account with the payment processor to the Google instrument being added. |
| `https://developers.google.com/pay/e-wallets-v1/payment-integrator-e-wallets-api/asynchronousCapture` | `POST /e-wallets-v1/asynchronousCapture` Triggers the start of a money movement operation between a customer's account and the integrator. |
| `https://developers.google.com/pay/e-wallets-v1/payment-integrator-e-wallets-api/authenticateIdentity` | `POST /e-wallets-v1/authenticateIdentity` Authenticates a user's account using data about the user's Google account and current context. |
| `https://developers.google.com/pay/e-wallets-v1/payment-integrator-e-wallets-api/cancelFundsReservation` | `POST /e-wallets-v1/cancelFundsReservation` Initiates canceling the funds that were reserved by a `reserveFunds` call. |
| `https://developers.google.com/pay/e-wallets-v1/payment-integrator-e-wallets-api/cancelMandate` | `POST /e-wallets-v1/cancelMandate` Initiates a mandate cancellation on the user's account with the integrator. |
| `https://developers.google.com/pay/e-wallets-v1/payment-integrator-e-wallets-api/capture` | `POST /e-wallets-v1/capture` Initiates money movement between a customer's account held with Google and the payment processor. |
| `https://developers.google.com/pay/e-wallets-v1/payment-integrator-e-wallets-api/captureFundsReservation` | `POST /e-wallets-v1/captureFundsReservation` Initiates a capture of the funds reserved by a `reserveFunds` call. |
| `https://developers.google.com/pay/e-wallets-v1/payment-integrator-e-wallets-api/defendChargeback` | `POST /e-wallets-v1/defendChargeback` This method is called by Google to defend an Inquiry or a Chargeback. |
| `https://developers.google.com/pay/e-wallets-v1/payment-integrator-e-wallets-api/echo` | `POST /e-wallets-v1/echo` Echos back the `clientMessage` that is passed in. |
| `https://developers.google.com/pay/e-wallets-v1/payment-integrator-e-wallets-api/getBalanceAndLimits` | `POST /e-wallets-v1/getBalanceAndLimits` Initiates a request for the current account balance associated with the association ID provided in the request. |
| `https://developers.google.com/pay/e-wallets-v1/payment-integrator-e-wallets-api/getTransferFundsTransactionStatus` | `POST /e-wallets-v1/getTransferFundsTransactionStatus` This method fetches the status of a TransferFunds transaction. |
| `https://developers.google.com/pay/e-wallets-v1/payment-integrator-e-wallets-api/refreshToken` | `POST /e-wallets-v1/refreshToken` Refreshes a payment token's expiration date. |
| `https://developers.google.com/pay/e-wallets-v1/payment-integrator-e-wallets-api/refund` | `POST /e-wallets-v1/refund` Refunds a portion of or the entire transaction initiated through `capture`. |
| `https://developers.google.com/pay/e-wallets-v1/payment-integrator-e-wallets-api/remittanceStatementNotification` | `POST /e-wallets-v1/remittanceStatementNotification` Notifies the integrator of a new remittance statement. |
| `https://developers.google.com/pay/e-wallets-v1/payment-integrator-e-wallets-api/reserveFunds` | `POST /e-wallets-v1/reserveFunds` Reserve funds on a token. |
| `https://developers.google.com/pay/e-wallets-v1/payment-integrator-e-wallets-api/sendOtp` | `POST /e-wallets-v1/sendOtp` Requests the integrator send an OTP to the phone number. |
| `https://developers.google.com/pay/e-wallets-v1/payment-integrator-e-wallets-api/simulatePayment` | `POST /e-wallets-v1/simulatePayment` Initiates a request to simulate a payment from an account associated by the association ID for a given amount provided in the request. |
| `https://developers.google.com/pay/e-wallets-v1/payment-integrator-e-wallets-api/simulateRedirectAuthentication` | `POST /e-wallets-v1/simulateRedirectAuthentication` Simulates a redirect authentication for testing purposes. |
| `https://developers.google.com/pay/e-wallets-v1/payment-integrator-e-wallets-api/transferFunds` | `POST /e-wallets-v1/transferFunds` Initiates money movement between a customer's account held with Google and the payment processor. |
| `https://developers.google.com/pay/e-wallets-v1/payment-integrator-e-wallets-api/upcomingTransactionNotification` | `POST /e-wallets-v1/upcomingTransactionNotification` Requests the integrator notify the user of an upcoming transaction for a recurring mandate. |
| `https://developers.google.com/pay/e-wallets-v1/payment-integrator-e-wallets-api/verifyOtp` | `POST /e-wallets-v1/verifyOtp` Verifies an OTP value was sent by the integrator for the account. |

| Methods ||
|---|---|
| `https://developers.google.com/pay/e-wallets-v1/payment-integrator-e-wallets-api/createMandate` | `POST /e-wallets-v1/createMandate` Initiates a mandate creation on the user's account with the integrator. |