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First Data Global Gateway e4℠
Developer APIs

Global Gateway e4℠ provides a variety of developer APIs to meet the needs of any project. SDKs are available in all major programming languages.


Web Service API

Global Gateway e4℠ Web Service API (Application Programming Interface) is comprehensive payment processing software for the merchant who requires a more sophisticated payment solution.

Global Gateway e4℠'s API gives merchants complete control over how their payments are processed, and allows them to build transaction processing applications that can process payments from a web site or from multiple point-of-sale terminals. Ideal for either e-commerce or large-scale retail situations, the Webservice API uses Secure Sockets Layer (SSL) technology to encrypt and pass confidential transaction and order information directly to Global Gateway e4℠.

View Webservice API Documentation

Hosted Checkout

Global Gateway e4℠ Hosted Checkout is a securely hosted web payment form designed to accept Internet-based E-commerce transactions.

With Global Gateway e4℠ Hosted Checkout in place a merchant is no longer exposed to the sensitive payment details required to process a payment. Additionally, the merchant has access to an expanding toolkit of payment options and fraud prevention tools without the need for additional development. Global Gateway e4℠ Hosted Checkout redirects the customer to a payment form hosted by Global Gateway e4℠. To accomplish this the merchant displays a "Checkout" button within an HTML form on their website that will submit a POST request to the Hosted Checkout URL.

View Hosted Checkout Documentation

Purchase Card Level II/III

Global Gateway e4℠ solution supports both Level II and Level III processing for business-to-business purchase card transactions. These transactions qualify for lower interchange and provide additional data to report to buyers.

View Level 3 API Documentation

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