Google Standard Payments Google Hosted Korea Cards API
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This includes services hosted by Google for Korea Cards.
To call this service, we recommend that you use the Google-provided client libraries. 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 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:
Service endpoint
A 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:
- Prod:
https://vgw.googleapis.com/secure-serving/gsp
- Sandbox:
https://vgw.sandbox.google.com/secure-serving/gsp
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Last updated 2025-08-20 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-20 UTC."],[[["\u003cp\u003eGoogle hosts services for Korea Cards, providing REST resources and client libraries for seamless integration.\u003c/p\u003e\n"],["\u003cp\u003eDevelopers can utilize the provided Discovery Document to understand and interact with the Google Standard Payments APIs for Korea Cards.\u003c/p\u003e\n"],["\u003cp\u003eThe service has designated production and sandbox endpoints for testing and live implementations.\u003c/p\u003e\n"],["\u003cp\u003eVarious API methods are available, including notifications for chargebacks, refunds, fraud, and settlements.\u003c/p\u003e\n"],["\u003cp\u003eEach method is accessed through specific endpoints relative to the base service endpoint and can require a Payment Integrator Account ID.\u003c/p\u003e\n"]]],["Google hosts services for Korea Cards, accessible via client libraries or direct API calls using the provided Discovery Document. The service has production and sandbox endpoints. Key actions involve notifying Google about various transaction statuses. These include `cancelFundsReservationResultNotification`, `captureFundsReservationResultNotification`, `chargebackNotification`, `refundResultNotification`, `fraudNotification`, and `inquiryNotification`. Other actions involve informing google about reversed transactions or settlement, `chargebackReversedNotification`, `reverseRefundNotification` and `settlementNotification`. The `echo` method is available for testing.\n"],null,["# Google Standard Payments Google Hosted Korea Cards API\n\nThis includes services hosted by Google for Korea Cards.\n\n- [REST Resource: gsp.korea-cards-v1](#gsp.korea-cards-v1)\n\nTo 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.\n\n### Discovery document\n\nA [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:\n\n- [/pay/korea-cards-v1/google-korea-cards-api/open-api-spec.json](/static/pay/korea-cards-v1/google-korea-cards-api/open-api-spec.json)\n\n### Service endpoint\n\nA [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:\n\n- Prod: `https://vgw.googleapis.com/secure-serving/gsp`\n- Sandbox: `https://vgw.sandbox.google.com/secure-serving/gsp`\n\n| Methods ||\n|-----------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| [cancelFundsReservationResultNotification](/pay/korea-cards-v1/google-korea-cards-api/cancelFundsReservationResultNotification) | `POST /google-korea-cards-api/v1/cancelFundsReservationResultNotification/`[:PIAID](/pay/korea-cards-v1/reference/glossary#payment_integrator_account_id) Notifies Google of the final result of an [`asynchronousCancelFundsReservation`](/pay/korea-cards-v1/payment-integrator-korea-cards-api/asynchronousCancelFundsReservation#google.standardpayments.flows.card_fop_reserve_capture.v1.PaymentIntegratorCardReserveCaptureService.AsynchronousCancelFundsReservation) request. |\n| [captureFundsReservationResultNotification](/pay/korea-cards-v1/google-korea-cards-api/captureFundsReservationResultNotification) | `POST /v1/payment-integrator-korea-cards-api/captureFundsReservationResultNotification/`[:PIAID](/pay/korea-cards-v1/reference/glossary#payment_integrator_account_id) Notifies Google of the final result of an [`asynchronousCaptureFundsReservation`](/pay/korea-cards-v1/payment-integrator-korea-cards-api/asynchronousCaptureFundsReservation#google.standardpayments.flows.card_fop_reserve_capture.v1.PaymentIntegratorCardReserveCaptureService.AsynchronousCaptureFundsReservation) request. |\n| [chargebackNotification](/pay/korea-cards-v1/google-korea-cards-api/chargebackNotification) | `POST /google-korea-cards-api/v1/chargebackNotification/`[:PIAID](/pay/korea-cards-v1/reference/glossary#payment_integrator_account_id) Notifies Google that a chargeback is being issued for a payment. |\n| [chargebackReversedNotification](/pay/korea-cards-v1/google-korea-cards-api/chargebackReversedNotification) | `POST /google-korea-cards-api/v1/chargebackReversedNotification/`[:PIAID](/pay/korea-cards-v1/reference/glossary#payment_integrator_account_id) Notifies Google that a chargeback is being reversed. |\n| [echo](/pay/korea-cards-v1/google-korea-cards-api/echo) | `POST /v1/echo/`[:PIAID](/pay/korea-cards-v1/reference/glossary#payment_integrator_account_id) Echos back the `clientMessage` passed in. |\n| [fraudNotification](/pay/korea-cards-v1/google-korea-cards-api/fraudNotification) | `POST /google-korea-cards-api/v1/inquiryNotification/`[:PIAID](/pay/korea-cards-v1/reference/glossary#payment_integrator_account_id) Notifies Google of a fraud dispute initiated by a customer. |\n| [inquiryNotification](/pay/korea-cards-v1/google-korea-cards-api/inquiryNotification) | `POST /google-korea-cards-api/v1/inquiryNotification/`[:PIAID](/pay/korea-cards-v1/reference/glossary#payment_integrator_account_id) Notifies Google of a request for inquiry into a transaction. |\n| [refundResultNotification](/pay/korea-cards-v1/google-korea-cards-api/refundResultNotification) | `POST /google-korea-cards-api/v1/refundResultNotification/`[:PIAID](/pay/korea-cards-v1/reference/glossary#payment_integrator_account_id) Notifies Google of the final result of an [`asynchronousRefund`](/pay/korea-cards-v1/payment-integrator-korea-cards-api/asynchronousRefund#google.standardpayments.flows.card_fop_async_refund.v1.PaymentIntegratorCardAsyncRefundService.AsynchronousRefund) request. |\n| [reverseRefundNotification](/pay/korea-cards-v1/google-korea-cards-api/reverseRefundNotification) | `POST /google-korea-cards-api/v1/reverseRefundNotification/`[:PIAID](/pay/korea-cards-v1/reference/glossary#payment_integrator_account_id) Notifies Google of a refund that is being reversed. |\n| [settlementNotification](/pay/korea-cards-v1/google-korea-cards-api/settlementNotification) | `POST /v1/settlementNotification/`[:PIAID](/pay/korea-cards-v1/reference/glossary#payment_integrator_account_id) Informs Google that a set of events will be net settled in bulk into a Google bank account. |"]]