Gateways

Seamless Payment Integration with First Data APIs

At Alliance Merchant Solutions, we offer integration with two powerful payment processing APIs from First Data, enabling your business to accept credit card and check payments securely and efficiently. Whether you’re using the SOAP-based Global Gateway Web Service API or the flexible Global Gateway e4 Web Service API with both SOAP and REST options, we provide the tools you need to implement custom business logic and streamline your transactions. Experience secure, reliable payment processing tailored to your business needs.

Innovative Solutions for Your Business

First Data Global Gateway (FDGG) Web Service API
The First Data Global Gateway Web Service API is an Application Programming Interface, which allows you to connect your application with the First Data Global Gateway. Using the Web Service API, you can seamlessly accept credit card and check payments in your application. The First Data Global Gateway Web Service API is a SOAP-based web service.
First Data Global Gateway (FDGG) GGE4 Web Service API
The First Data Global Gateway e4? web service API is a web service that allows third-party applications to process transactions through the Global Gateway e4? system. The range of processing scenarios (Purchase, Refund, Pre-Authorization, etc.) enable flexible and powerful ways to implement custom business logic. First Data also provides free client libraries that ease integration with the Global Gateway e4? web service API. The Global Gateway e4? web service API is available in both SOAP and REST, where the latter supports XML and JSON message formats. The same range of transaction processing scenarios is supported regardless of which style Global Gateway e4? web service API you choose.