Gulf Management Systems Payment Gateway

Knowledge Center > Billing and Payments > Payment Gateways > Supported Payment Gateways > Gulf Management Systems Payment Gateway

Gulf Management Systems Payment Gateway

Zuora partners Gulf Management Systems to provide payment gateway services that support ACH processing. This gateway integration is built with easy configuration and use.

Supported Payment Methods

Currently, only the ACH payment method is supported in this gateway integration.

Supported Payment Operations

The Gulf Management Systems integration supports the following payment operations:

  • Validate
  • Payment
  • Refund

Supported Gateway Reconciliation Event Types

The Gulf Management Systems gateway integration supports the following Gateway Reconciliation event types for ACH transactions:

  • Payment Settlement
  • Payment Rejection
  • Refund Settlement

Configure Gulf Management Systems Payment Gateway

  1. Navigate to Payments Settings > Setup Payment Gateway
  2. Select Gulf Management Systems from the Gateway Type drop-down list.
  3. Click create gateway.

GMS configuration page

Common Configuration Fields

There are some common fields you must complete for every gateway configuration. We recommend reviewing Setting Up Payment Gateways for information on these fields: 

  • Name
  • Use Gateway Test Environment (optional)
  • User Name
  • Password
  • Cards Accepted
  • Default Authorization Amount
  • Verify new credit card (optional)
  • Verify updated credit card (optional)
  • Enable gateway reconciliation (optional)

GMS Credentials 

Your credentials are obtained from Gulf Management Systems and configured in Zuora. 

  • Partner API ID: The Partner API ID assigned to your merchant account by GMS.
  • Partner API Key: The Partner API Key assigned to your merchant account by GMS.
  • GMS Identifier: The unique GMS Identifier associated with your GMS merchant account.

Gateway Reconciliation

You must select the Enable gateway reconciliation checkbox from the Gulf Management Systems gateway configuration page in Zuora to enable gateway reconciliation. With the Gateway Reconciliation enabled, the reconciliation job will retrieve transaction status response from the Gulf Management Systems gateway daily at 3:00 pm PST.

Gulf Management Systems gateway integration only supports the settlement for refund transactions. The refund transactions that are in the Rejected status will be ignored.
See Gateway Reconciliation for more information. 


  • Currently, only the ACH payment method in the USD currency is supported by the Gulf Management Systems integration in Zuora. This limitation also applies to the gateway reconciliation.
  • In the test environment, the Gulf Management Systems gateway always sets ACH transactions in the Error status, so the Gulf Management Systems Support must manually update the transaction status in the test environment so that Gateway Reconciliation jobs in Zuora can pick up the test transactions and update the records in Zuora. 
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